loplugin:nullptr (automatic rewrite)

Change-Id: I765d2a600f9c57da50c85354688e3ae796750d94
author: Stephan Bergmann <sbergman@redhat.com> 2015-11-10 10:22:39 +0100
committer: Stephan Bergmann <sbergman@redhat.com> 2015-11-10 10:31:36 +0100
commit: de29ac09535d814e4be7e1bf0f10beb9f0f847e3 (patch)
tree: 139f75d657cb825622e812254b8b7df4e509140b /sc/source/ui
parent: loplugin:nullptr (automatic rewrite) (diff)
download: core-de29ac09535d814e4be7e1bf0f10beb9f0f847e3.tar.gz
core-de29ac09535d814e4be7e1bf0f10beb9f0f847e3.zip
314 files changed, 2389 insertions, 2389 deletions
diff --git a/sc/source/ui/Accessibility/AccessibleCell.cxx b/sc/source/ui/Accessibility/AccessibleCell.cxx
index e50345fc7b29..eb10c6004350 100644
--- a/sc/source/ui/Accessibility/AccessibleCell.cxx
+++ b/sc/source/ui/Accessibility/AccessibleCell.cxx
@@ -112,9 +112,9 @@ void SAL_CALL ScAccessibleCell::disposing()
     if (mpViewShell)
     {
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
-    mpAccDoc = NULL;
+    mpAccDoc = nullptr;
 
     ScAccessibleCellBase::disposing();
 }
@@ -161,7 +161,7 @@ Rectangle ScAccessibleCell::GetBoundingBoxOnScreen() const
         vcl::Window* pWindow = mpViewShell->GetWindowByPos(meSplitPos);
         if (pWindow)
         {
-            Rectangle aRect = pWindow->GetWindowExtentsRelative(NULL);
+            Rectangle aRect = pWindow->GetWindowExtentsRelative(nullptr);
             aCellRect.setX(aCellRect.getX() + aRect.getX());
             aCellRect.setY(aCellRect.getY() + aRect.getY());
         }
@@ -290,7 +290,7 @@ uno::Reference<XAccessibleRelationSet> SAL_CALL
 {
     SolarMutexGuard aGuard;
     IsObjectValid();
-    utl::AccessibleRelationSetHelper* pRelationSet = NULL;
+    utl::AccessibleRelationSetHelper* pRelationSet = nullptr;
     if (mpAccDoc)
         pRelationSet = mpAccDoc->GetRelationSet(&maCellAddress);
     if (!pRelationSet)
@@ -326,7 +326,7 @@ uno::Sequence< OUString> SAL_CALL
 bool ScAccessibleCell::IsDefunc(
     const uno::Reference<XAccessibleStateSet>& rxParentStates)
 {
-    return ScAccessibleContextBase::IsDefunc() || (mpDoc == NULL) || (mpViewShell == NULL) || !getAccessibleParent().is() ||
+    return ScAccessibleContextBase::IsDefunc() || (mpDoc == nullptr) || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
          (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
 }
 
@@ -386,7 +386,7 @@ bool ScAccessibleCell::IsSelected()
 
 ScDocument* ScAccessibleCell::GetDocument(ScTabViewShell* pViewShell)
 {
-    ScDocument* pDoc = NULL;
+    ScDocument* pDoc = nullptr;
     if (pViewShell)
         pDoc = pViewShell->GetViewData().GetDocument();
     return pDoc;
diff --git a/sc/source/ui/Accessibility/AccessibleContextBase.cxx b/sc/source/ui/Accessibility/AccessibleContextBase.cxx
index 1de3ee8581a7..b971cff5af44 100644
--- a/sc/source/ui/Accessibility/AccessibleContextBase.cxx
+++ b/sc/source/ui/Accessibility/AccessibleContextBase.cxx
@@ -95,7 +95,7 @@ void SAL_CALL ScAccessibleContextBase::disposing()
         uno::Reference< XAccessibleEventBroadcaster > xBroadcaster (mxParent->getAccessibleContext(), uno::UNO_QUERY);
         if (xBroadcaster.is())
             xBroadcaster->removeAccessibleEventListener(this);
-        mxParent = NULL;
+        mxParent = nullptr;
     }
 
     ScAccessibleContextBaseWeakImpl::disposing();
diff --git a/sc/source/ui/Accessibility/AccessibleCsvControl.cxx b/sc/source/ui/Accessibility/AccessibleCsvControl.cxx
index 5fb03c99b8fd..d5561f44c028 100644
--- a/sc/source/ui/Accessibility/AccessibleCsvControl.cxx
+++ b/sc/source/ui/Accessibility/AccessibleCsvControl.cxx
@@ -97,7 +97,7 @@ ScAccessibleCsvControl::~ScAccessibleCsvControl()
 void SAL_CALL ScAccessibleCsvControl::disposing()
 {
     SolarMutexGuard aGuard;
-    mpControl = NULL;
+    mpControl = nullptr;
     ScAccessibleContextBase::disposing();
 }
 
@@ -107,7 +107,7 @@ Reference< XAccessible > SAL_CALL ScAccessibleCsvControl::getAccessibleAtPoint(
         throw( RuntimeException, std::exception )
 {
     ensureAlive();
-    return NULL;
+    return nullptr;
 }
 
 bool SAL_CALL ScAccessibleCsvControl::isVisible() throw( RuntimeException, std::exception )
@@ -176,7 +176,7 @@ Rectangle ScAccessibleCsvControl::GetBoundingBoxOnScreen() const throw( RuntimeE
 {
     SolarMutexGuard aGuard;
     ensureAlive();
-    return implGetControl().GetWindowExtentsRelative( NULL );
+    return implGetControl().GetWindowExtentsRelative( nullptr );
 }
 
 Rectangle ScAccessibleCsvControl::GetBoundingBox() const throw( RuntimeException, std::exception )
@@ -257,7 +257,7 @@ void ScAccessibleCsvControl::implDispose()
 
 Point ScAccessibleCsvControl::implGetAbsPos( const Point& rPos ) const
 {
-    return rPos + implGetControl().GetWindowExtentsRelative( NULL ).TopLeft();
+    return rPos + implGetControl().GetWindowExtentsRelative( nullptr ).TopLeft();
 }
 
 // Ruler ======================================================================
@@ -1009,14 +1009,14 @@ Reference< XAccessibleTable > SAL_CALL ScAccessibleCsvGrid::getAccessibleRowHead
         throw( RuntimeException, std::exception )
 {
     ensureAlive();
-    return NULL;
+    return nullptr;
 }
 
 Reference< XAccessibleTable > SAL_CALL ScAccessibleCsvGrid::getAccessibleColumnHeaders()
         throw( RuntimeException, std::exception )
 {
     ensureAlive();
-    return NULL;
+    return nullptr;
 }
 
 Sequence< sal_Int32 > SAL_CALL ScAccessibleCsvGrid::getSelectedAccessibleRows()
@@ -1073,14 +1073,14 @@ Reference< XAccessible > SAL_CALL ScAccessibleCsvGrid::getAccessibleCaption()
         throw( RuntimeException, std::exception )
 {
     ensureAlive();
-    return NULL;
+    return nullptr;
 }
 
 Reference< XAccessible > SAL_CALL ScAccessibleCsvGrid::getAccessibleSummary()
         throw( RuntimeException, std::exception )
 {
     ensureAlive();
-    return NULL;
+    return nullptr;
 }
 
 sal_Bool SAL_CALL ScAccessibleCsvGrid::isAccessibleSelected( sal_Int32 /* nRow */, sal_Int32 nColumn )
diff --git a/sc/source/ui/Accessibility/AccessibleDocument.cxx b/sc/source/ui/Accessibility/AccessibleDocument.cxx
index d1279ced0851..65603904aaa6 100644
--- a/sc/source/ui/Accessibility/AccessibleDocument.cxx
+++ b/sc/source/ui/Accessibility/AccessibleDocument.cxx
@@ -106,7 +106,7 @@ using ::std::for_each;
 
 struct ScAccessibleShapeData
 {
-    ScAccessibleShapeData() : pRelationCell(NULL), bSelected(false), bSelectable(true) {}
+    ScAccessibleShapeData() : pRelationCell(nullptr), bSelected(false), bSelectable(true) {}
     ~ScAccessibleShapeData();
     mutable rtl::Reference< ::accessibility::AccessibleShape > pAccShape;
     mutable ScAddress*          pRelationCell; // if it is NULL this shape is anchored on the table
@@ -339,7 +339,7 @@ ScChildrenShapes::ScChildrenShapes(ScAccessibleDocument* pAccessibleDocument, Sc
     meSplitPos(eSplitPos)
 {
     FillSelectionSupplier();
-    maZOrderedShapes.push_back(NULL); // add an element which represents the table
+    maZOrderedShapes.push_back(nullptr); // add an element which represents the table
 
     GetCount(); // fill list with filtered shapes (no internal shapes)
 
@@ -363,7 +363,7 @@ ScChildrenShapes::ScChildrenShapes(ScAccessibleDocument* pAccessibleDocument, Sc
 
             maShapeTreeInfo.SetModelBroadcaster( new ScDrawModelBroadcaster(rViewData.GetDocument()->GetDrawLayer()) );
             maShapeTreeInfo.SetSdrView(rViewData.GetScDrawView());
-            maShapeTreeInfo.SetController(NULL);
+            maShapeTreeInfo.SetController(nullptr);
             maShapeTreeInfo.SetWindow(pViewShell->GetWindowByPos(meSplitPos));
             maShapeTreeInfo.SetViewForwarder(mpAccessibleDocument);
         }
@@ -393,7 +393,7 @@ void ScChildrenShapes::SetDrawBroadcaster()
 
             maShapeTreeInfo.SetModelBroadcaster( new ScDrawModelBroadcaster(rViewData.GetDocument()->GetDrawLayer()) );
             maShapeTreeInfo.SetSdrView(rViewData.GetScDrawView());
-            maShapeTreeInfo.SetController(NULL);
+            maShapeTreeInfo.SetController(nullptr);
             maShapeTreeInfo.SetWindow(mpViewShell->GetWindowByPos(meSplitPos));
             maShapeTreeInfo.SetViewForwarder(mpAccessibleDocument);
         }
@@ -509,7 +509,7 @@ bool ScChildrenShapes::ReplaceChild (::accessibility::AccessibleShape* pCurrentC
               }
                 }
     }
-    return NULL;
+    return nullptr;
 }
 
 css::uno::Reference < css::accessibility::XAccessible >
@@ -527,7 +527,7 @@ ScChildrenShapes::GetAccessibleCaption (const css::uno::Reference < css::drawing
                 return xNewChild;
             }
     }
-    return NULL;
+    return nullptr;
 }
 
 sal_Int32 ScChildrenShapes::GetCount() const
@@ -553,7 +553,7 @@ sal_Int32 ScChildrenShapes::GetCount() const
 uno::Reference< XAccessible > ScChildrenShapes::Get(const ScAccessibleShapeData* pData) const
 {
     if (!pData)
-        return NULL;
+        return nullptr;
 
     if (!pData->pAccShape.is())
     {
@@ -580,7 +580,7 @@ uno::Reference< XAccessible > ScChildrenShapes::Get(sal_Int32 nIndex) const
         GetCount(); // fill list with filtered shapes (no internal shapes)
 
     if (static_cast<sal_uInt32>(nIndex) >= maZOrderedShapes.size())
-        return NULL;
+        return nullptr;
 
     return Get(maZOrderedShapes[nIndex]);
 }
@@ -880,7 +880,7 @@ void ScChildrenShapes::Deselect(sal_Int32 nChildIndex)
 SdrPage* ScChildrenShapes::GetDrawPage() const
 {
     SCTAB nTab(mpAccessibleDocument->getVisibleTable());
-    SdrPage* pDrawPage = NULL;
+    SdrPage* pDrawPage = nullptr;
     if (mpViewShell)
     {
         ScViewData& rViewData = mpViewShell->GetViewData();
@@ -903,7 +903,7 @@ struct SetRelation
     SetRelation(const ScChildrenShapes* pChildrenShapes, const ScAddress* pAddress)
         :
         mpChildrenShapes(pChildrenShapes),
-        mpRelationSet(NULL),
+        mpRelationSet(nullptr),
         mpAddress(pAddress)
     {
     }
@@ -955,7 +955,7 @@ bool ScChildrenShapes::FindSelectedShapesChanges(const uno::Reference<drawing::X
     }
     else
         mnShapesSelected = 0;
-    SdrObject *pFocusedObj = NULL;
+    SdrObject *pFocusedObj = nullptr;
     if( mnShapesSelected == 1 && aShapesList.size() == 1)
     {
         pFocusedObj = GetSdrObjectFromXShape(aShapesList[0]->xShape);
@@ -1034,9 +1034,9 @@ bool ScChildrenShapes::FindSelectedShapesChanges(const uno::Reference<drawing::X
             bWinFocus = pWin->HasFocus();
         }
     }
-    const SdrMarkList* pMarkList = NULL;
-    SdrObject* pMarkedObj = NULL;
-    SdrObject* pUpObj = NULL;
+    const SdrMarkList* pMarkList = nullptr;
+    SdrObject* pMarkedObj = nullptr;
+    SdrObject* pUpObj = nullptr;
     bool bIsFocuseMarked = true;
     if( mpViewShell && mnShapesSelected == 1 && bWinFocus)
     {
@@ -1169,7 +1169,7 @@ void ScChildrenShapes::FillSelectionSupplier() const
 
 ScAddress* ScChildrenShapes::GetAnchor(const uno::Reference<drawing::XShape>& xShape) const
 {
-    ScAddress* pAddress = NULL;
+    ScAddress* pAddress = nullptr;
     if (mpViewShell)
     {
         SvxShape* pShapeImp = SvxShape::getImplementation(xShape);
@@ -1336,7 +1336,7 @@ bool ScChildrenShapes::FindShape(const uno::Reference<drawing::XShape>& xShape,
     aShape.xShape = xShape;
     ScShapeDataLess aLess;
     rItr = std::lower_bound(maZOrderedShapes.begin(), maZOrderedShapes.end(), &aShape, aLess);
-    if ((rItr != maZOrderedShapes.end()) && (*rItr != NULL) && ((*rItr)->xShape.get() == xShape.get()))
+    if ((rItr != maZOrderedShapes.end()) && (*rItr != nullptr) && ((*rItr)->xShape.get() == xShape.get()))
         bResult = true; // if the shape is found
 
 #if OSL_DEBUG_LEVEL > 0 // test whether it finds truly the correct shape (perhaps it is not really sorted)
@@ -1402,8 +1402,8 @@ ScAccessibleDocument::ScAccessibleDocument(
     : ScAccessibleDocumentBase(rxParent),
     mpViewShell(pViewShell),
     meSplitPos(eSplitPos),
-    mpChildrenShapes(NULL),
-    mpTempAccEdit(NULL),
+    mpChildrenShapes(nullptr),
+    mpTempAccEdit(nullptr),
     mbCompleteSheetSelected(false)
 {
     maVisArea = GetVisibleArea_Impl();
@@ -1465,7 +1465,7 @@ void SAL_CALL ScAccessibleDocument::disposing()
             pWin->RemoveChildEventListener( LINK( this, ScAccessibleDocument, WindowChildEventListener ));
 
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
     if (mpChildrenShapes)
         DELETEZ(mpChildrenShapes);
@@ -1617,7 +1617,7 @@ void ScAccessibleDocument::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
                 if (mpTempAccEdit)
                     mpTempAccEdit->LostFocus();
 
-                mpTempAccEdit = NULL;
+                mpTempAccEdit = nullptr;
                 RemoveChild(mxTempAcc, true);
                 if (mpAccessibleSpreadsheet.is() && mpViewShell && mpViewShell->IsActive())
                     mpAccessibleSpreadsheet->GotFocus();
@@ -1720,7 +1720,7 @@ uno::Reference< XAccessible > SAL_CALL ScAccessibleDocument::getAccessibleAtPoin
         const awt::Point& rPoint )
         throw (uno::RuntimeException, std::exception)
 {
-    uno::Reference<XAccessible> xAccessible = NULL;
+    uno::Reference<XAccessible> xAccessible = nullptr;
     if (containsPoint(rPoint))
     {
         SolarMutexGuard aGuard;
@@ -2132,7 +2132,7 @@ Point ScAccessibleDocument::LogicToPixel (const Point& rPoint) const
     if (pWin)
     {
         aPoint = pWin->LogicToPixel(rPoint, pWin->GetDrawMapMode());
-        aPoint += pWin->GetWindowExtentsRelative(NULL).TopLeft();
+        aPoint += pWin->GetWindowExtentsRelative(nullptr).TopLeft();
     }
     return aPoint;
 }
@@ -2152,7 +2152,7 @@ Size ScAccessibleDocument::LogicToPixel (const Size& rSize) const
 
 utl::AccessibleRelationSetHelper* ScAccessibleDocument::GetRelationSet(const ScAddress* pAddress) const
 {
-    utl::AccessibleRelationSetHelper* pRelationSet = NULL;
+    utl::AccessibleRelationSetHelper* pRelationSet = nullptr;
     if (mpChildrenShapes)
         pRelationSet = mpChildrenShapes->GetRelationSet(pAddress);
     return pRelationSet;
@@ -2186,7 +2186,7 @@ Rectangle ScAccessibleDocument::GetBoundingBoxOnScreen() const
     {
         vcl::Window* pWindow = mpViewShell->GetWindowByPos(meSplitPos);
         if (pWindow)
-            aRect = pWindow->GetWindowExtentsRelative(NULL);
+            aRect = pWindow->GetWindowExtentsRelative(nullptr);
     }
     return aRect;
 }
@@ -2251,7 +2251,7 @@ bool ScAccessibleDocument::IsTableSelected() const
 bool ScAccessibleDocument::IsDefunc(
     const uno::Reference<XAccessibleStateSet>& rxParentStates)
 {
-    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == NULL) || !getAccessibleParent().is() ||
+    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
         (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
 }
 
@@ -2286,7 +2286,7 @@ void ScAccessibleDocument::RemoveChild(const uno::Reference<XAccessible>& xAcc,
             aEvent.OldValue <<= mxTempAcc;
             CommitChange( aEvent );
         }
-        mxTempAcc = NULL;
+        mxTempAcc = nullptr;
     }
 }
 
@@ -2309,7 +2309,7 @@ OUString ScAccessibleDocument::GetCurrentCellDescription()
 
 ScDocument *ScAccessibleDocument::GetDocument() const
 {
-    return mpViewShell ? mpViewShell->GetViewData().GetDocument() : NULL;
+    return mpViewShell ? mpViewShell->GetViewData().GetDocument() : nullptr;
 }
 
 ScAddress   ScAccessibleDocument::GetCurCellAddress() const
@@ -2329,7 +2329,7 @@ uno::Any SAL_CALL ScAccessibleDocument::getExtendedAttributes()
     sal_uInt16 sheetIndex;
     OUString sSheetName;
     sheetIndex = getVisibleTable();
-    if(GetDocument()==NULL)
+    if(GetDocument()==nullptr)
         return anyAtrribute;
     GetDocument()->GetName(sheetIndex,sSheetName);
     sName = "page-name:";
diff --git a/sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx b/sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx
index d32f3c1416c1..4cccf56c8b9a 100644
--- a/sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx
+++ b/sc/source/ui/Accessibility/AccessibleDocumentPagePreview.cxx
@@ -74,7 +74,7 @@ struct ScAccNote
     bool    mbMarkNote;
 
     ScAccNote()
-        : mpTextHelper(NULL)
+        : mpTextHelper(nullptr)
         , mnParaCount(0)
         , mbMarkNote(false)
     {
@@ -474,7 +474,7 @@ void ScNotesChildren::DataChanged(const Rectangle& rVisRect)
 
 inline ScDocument* ScNotesChildren::GetDocument() const
 {
-    ScDocument* pDoc = NULL;
+    ScDocument* pDoc = nullptr;
     if (mpViewShell)
         pDoc = &mpViewShell->GetDocument();
     return pDoc;
@@ -503,7 +503,7 @@ private:
 };
 
 ScIAccessibleViewForwarder::ScIAccessibleViewForwarder()
-    : mpViewShell(NULL), mpAccDoc(NULL), mbValid(false)
+    : mpViewShell(nullptr), mpAccDoc(nullptr), mbValid(false)
 {
 }
 
@@ -1019,7 +1019,7 @@ uno::Reference<XAccessible> ScShapeChildren::GetBackgroundShapeAt(const awt::Poi
         {
             ::accessibility::AccessibleShapeTreeInfo aShapeTreeInfo;
             aShapeTreeInfo.SetSdrView(mpViewShell->GetPreview()->GetDrawView());
-            aShapeTreeInfo.SetController(NULL);
+            aShapeTreeInfo.SetController(nullptr);
             aShapeTreeInfo.SetWindow(mpViewShell->GetWindow());
             aShapeTreeInfo.SetViewForwarder(&(maShapeRanges[rShape.mnRangeId].maViewForwarder));
             rShape.mpAccShape = rShapeHandler.CreateAccessibleObject(aShapeInfo, aShapeTreeInfo);
@@ -1115,7 +1115,7 @@ void ScShapeChildren::FillShapes(const Rectangle& aPixelPaintRect, const MapMode
 SdrPage* ScShapeChildren::GetDrawPage() const
 {
     SCTAB nTab( mpViewShell->GetLocationData().GetPrintTab() );
-    SdrPage* pDrawPage = NULL;
+    SdrPage* pDrawPage = nullptr;
     ScDocument& rDoc = mpViewShell->GetDocument();
     if (rDoc.GetDrawLayer())
     {
@@ -1192,10 +1192,10 @@ ScAccessibleDocumentPagePreview::ScAccessibleDocumentPagePreview(
         const uno::Reference<XAccessible>& rxParent, ScPreviewShell* pViewShell ) :
     ScAccessibleDocumentBase(rxParent),
     mpViewShell(pViewShell),
-    mpNotesChildren(NULL),
-    mpShapeChildren(NULL),
-    mpHeader(NULL),
-    mpFooter(NULL)
+    mpNotesChildren(nullptr),
+    mpShapeChildren(nullptr),
+    mpHeader(nullptr),
+    mpFooter(nullptr)
 {
     if (pViewShell)
         pViewShell->AddAccessibilityObject(*this);
@@ -1220,18 +1220,18 @@ void SAL_CALL ScAccessibleDocumentPagePreview::disposing()
     if (mpHeader)
     {
         mpHeader->release();
-        mpHeader = NULL;
+        mpHeader = nullptr;
     }
     if (mpFooter)
     {
         mpFooter->release();
-        mpFooter = NULL;
+        mpFooter = nullptr;
     }
 
     if (mpViewShell)
     {
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
 
     // no need to Dispose the AccessibleTextHelper,
@@ -1576,7 +1576,7 @@ Rectangle ScAccessibleDocumentPagePreview::GetBoundingBoxOnScreen() const throw
     {
         vcl::Window* pWindow = mpViewShell->GetWindow();
         if (pWindow)
-            aRect = pWindow->GetWindowExtentsRelative(NULL);
+            aRect = pWindow->GetWindowExtentsRelative(nullptr);
     }
     return aRect;
 }
diff --git a/sc/source/ui/Accessibility/AccessibleEditObject.cxx b/sc/source/ui/Accessibility/AccessibleEditObject.cxx
index 58ce83085854..122a080a1754 100644
--- a/sc/source/ui/Accessibility/AccessibleEditObject.cxx
+++ b/sc/source/ui/Accessibility/AccessibleEditObject.cxx
@@ -63,7 +63,7 @@ ScAccessibleEditObject::ScAccessibleEditObject(
         const OUString& rDescription, EditObjectType eObjectType)
     :
     ScAccessibleContextBase(rxParent, AccessibleRole::TEXT_FRAME),
-    mpTextHelper(NULL),
+    mpTextHelper(nullptr),
     mpEditView(pEditView),
     mpWindow(pWin),
     meObjectType(eObjectType),
@@ -82,11 +82,11 @@ ScAccessibleEditObject::ScAccessibleEditObject(
         }
         else
         {
-            m_pScDoc=NULL;
+            m_pScDoc=nullptr;
         }
     }
     else
-        m_pScDoc=NULL;
+        m_pScDoc=nullptr;
 }
 
 ScAccessibleEditObject::~ScAccessibleEditObject()
@@ -185,7 +185,7 @@ Rectangle ScAccessibleEditObject::GetBoundingBoxOnScreen() const
                 MapMode aMapMode( mpEditView->GetEditEngine()->GetRefMapMode() );
                 aScreenBounds = mpWindow->LogicToPixel( mpEditView->GetOutputArea(), aMapMode );
                 Point aCellLoc = aScreenBounds.TopLeft();
-                Rectangle aWindowRect = mpWindow->GetWindowExtentsRelative( NULL );
+                Rectangle aWindowRect = mpWindow->GetWindowExtentsRelative( nullptr );
                 Point aWindowLoc = aWindowRect.TopLeft();
                 Point aPos( aCellLoc.getX() + aWindowLoc.getX(), aCellLoc.getY() + aWindowLoc.getY() );
                 aScreenBounds.SetPos( aPos );
@@ -193,7 +193,7 @@ Rectangle ScAccessibleEditObject::GetBoundingBoxOnScreen() const
         }
         else
         {
-            aScreenBounds = mpWindow->GetWindowExtentsRelative( NULL );
+            aScreenBounds = mpWindow->GetWindowExtentsRelative( nullptr );
         }
     }
 
@@ -366,7 +366,7 @@ void ScAccessibleEditObject::CreateTextHelper()
         else
         {
             pAccessibleTextData.reset
-                (new ScAccessibleEditLineTextData(NULL, mpWindow));
+                (new ScAccessibleEditLineTextData(nullptr, mpWindow));
         }
 
         ::std::unique_ptr< SvxEditSource > pEditSource (new ScAccessibilityEditSource(std::move(pAccessibleTextData)));
diff --git a/sc/source/ui/Accessibility/AccessiblePageHeader.cxx b/sc/source/ui/Accessibility/AccessiblePageHeader.cxx
index 72ce834e4f78..1a20e96977ce 100644
--- a/sc/source/ui/Accessibility/AccessiblePageHeader.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePageHeader.cxx
@@ -78,7 +78,7 @@ struct Dispose
             pArea->dispose();
             pArea->release();
         }
-        pArea = NULL;
+        pArea = nullptr;
     }
 };
 
@@ -88,7 +88,7 @@ ScAccessibleContextBase( rxParent, bHeader ? AccessibleRole::HEADER : Accessible
     mpViewShell( pViewShell ),
     mnIndex( nIndex ),
     mbHeader( bHeader ),
-    maAreas(MAX_AREAS, NULL),
+    maAreas(MAX_AREAS, nullptr),
     mnChildCount(-1)
 {
     if (mpViewShell)
@@ -111,7 +111,7 @@ void SAL_CALL ScAccessiblePageHeader::disposing()
     if (mpViewShell)
     {
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
     std::for_each(maAreas.begin(), maAreas.end(), Dispose());
 
@@ -352,7 +352,7 @@ Rectangle ScAccessiblePageHeader::GetBoundingBoxOnScreen() const throw (uno::Run
         vcl::Window* pWindow = mpViewShell->GetWindow();
         if (pWindow)
         {
-            Rectangle aRect = pWindow->GetWindowExtentsRelative(NULL);
+            Rectangle aRect = pWindow->GetWindowExtentsRelative(nullptr);
             aCellRect.setX(aCellRect.getX() + aRect.getX());
             aCellRect.setY(aCellRect.getY() + aRect.getY());
         }
@@ -386,7 +386,7 @@ Rectangle ScAccessiblePageHeader::GetBoundingBox() const throw (uno::RuntimeExce
 
 bool ScAccessiblePageHeader::IsDefunc( const uno::Reference<XAccessibleStateSet>& rxParentStates )
 {
-    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == NULL) || !getAccessibleParent().is() ||
+    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
         (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
 }
 
@@ -415,7 +415,7 @@ void ScAccessiblePageHeader::AddChild(const EditTextObject* pArea, sal_uInt32 nI
         if (maAreas[nIndex])
         {
             maAreas[nIndex]->release();
-            maAreas[nIndex] = NULL;
+            maAreas[nIndex] = nullptr;
         }
     }
 }
diff --git a/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx b/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx
index d22ddfdd6acb..0c76e2ab20cd 100644
--- a/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx
@@ -56,7 +56,7 @@ ScAccessiblePageHeaderArea::ScAccessiblePageHeaderArea(
         SvxAdjust eAdjust)
         : ScAccessibleContextBase(rxParent, AccessibleRole::TEXT),
         mpEditObj(pEditObj->Clone()),
-        mpTextHelper(NULL),
+        mpTextHelper(nullptr),
         mpViewShell(pViewShell),
         mbHeader(bHeader),
         meAdjust(eAdjust)
@@ -81,7 +81,7 @@ void SAL_CALL ScAccessiblePageHeaderArea::disposing()
     if (mpViewShell)
     {
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
     if (mpTextHelper)
         DELETEZ(mpTextHelper);
diff --git a/sc/source/ui/Accessibility/AccessiblePreviewCell.cxx b/sc/source/ui/Accessibility/AccessiblePreviewCell.cxx
index 54c2a246855c..939b5297a4cb 100644
--- a/sc/source/ui/Accessibility/AccessiblePreviewCell.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePreviewCell.cxx
@@ -50,9 +50,9 @@ ScAccessiblePreviewCell::ScAccessiblePreviewCell( const css::uno::Reference<css:
                             ScPreviewShell* pViewShell,
                             /* const */ ScAddress& rCellAddress,
                             sal_Int32 nIndex ) :
-    ScAccessibleCellBase( rxParent, ( pViewShell ? &pViewShell->GetDocument() : NULL ), rCellAddress, nIndex ),
+    ScAccessibleCellBase( rxParent, ( pViewShell ? &pViewShell->GetDocument() : nullptr ), rCellAddress, nIndex ),
     mpViewShell( pViewShell ),
-    mpTextHelper(NULL)
+    mpTextHelper(nullptr)
 {
     if (mpViewShell)
         mpViewShell->AddAccessibilityObject(*this);
@@ -75,7 +75,7 @@ void SAL_CALL ScAccessiblePreviewCell::disposing()
     if (mpViewShell)
     {
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
 
     if (mpTextHelper)
@@ -219,7 +219,7 @@ Rectangle ScAccessiblePreviewCell::GetBoundingBoxOnScreen() const throw (uno::Ru
         vcl::Window* pWindow = mpViewShell->GetWindow();
         if (pWindow)
         {
-            Rectangle aRect = pWindow->GetWindowExtentsRelative(NULL);
+            Rectangle aRect = pWindow->GetWindowExtentsRelative(nullptr);
             aCellRect.setX(aCellRect.getX() + aRect.getX());
             aCellRect.setY(aCellRect.getY() + aRect.getY());
         }
@@ -252,7 +252,7 @@ Rectangle ScAccessiblePreviewCell::GetBoundingBox() const throw (uno::RuntimeExc
 bool ScAccessiblePreviewCell::IsDefunc(
     const uno::Reference<XAccessibleStateSet>& rxParentStates)
 {
-    return ScAccessibleContextBase::IsDefunc() || (mpDoc == NULL) || (mpViewShell == NULL) || !getAccessibleParent().is() ||
+    return ScAccessibleContextBase::IsDefunc() || (mpDoc == nullptr) || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
          (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
 }
 
diff --git a/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx b/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
index 5701e538bb88..54f456bd3f66 100644
--- a/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
@@ -83,12 +83,12 @@ ScAccessiblePreviewHeaderCell::ScAccessiblePreviewHeaderCell( const css::uno::Re
                             sal_Int32 nIndex ) :
     ScAccessibleContextBase( rxParent, AccessibleRole::TABLE_CELL ),
     mpViewShell( pViewShell ),
-    mpTextHelper( NULL ),
+    mpTextHelper( nullptr ),
     mnIndex( nIndex ),
     maCellPos( rCellPos ),
     mbColumnHeader( bIsColHdr ),
     mbRowHeader( bIsRowHdr ),
-    mpTableInfo( NULL )
+    mpTableInfo( nullptr )
 {
     if (mpViewShell)
         mpViewShell->AddAccessibilityObject(*this);
@@ -106,7 +106,7 @@ void SAL_CALL ScAccessiblePreviewHeaderCell::disposing()
     if (mpViewShell)
     {
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
 
        if (mpTableInfo)
@@ -348,7 +348,7 @@ Rectangle ScAccessiblePreviewHeaderCell::GetBoundingBoxOnScreen() const throw (u
         vcl::Window* pWindow = mpViewShell->GetWindow();
         if (pWindow)
         {
-            Rectangle aRect = pWindow->GetWindowExtentsRelative(NULL);
+            Rectangle aRect = pWindow->GetWindowExtentsRelative(nullptr);
             aCellRect.setX(aCellRect.getX() + aRect.getX());
             aCellRect.setY(aCellRect.getY() + aRect.getY());
         }
@@ -418,7 +418,7 @@ OUString SAL_CALL ScAccessiblePreviewHeaderCell::createAccessibleName() throw(un
 
 bool ScAccessiblePreviewHeaderCell::IsDefunc( const uno::Reference<XAccessibleStateSet>& rxParentStates )
 {
-    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == NULL) || !getAccessibleParent().is() ||
+    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
         (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
 }
 
diff --git a/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx b/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx
index 947b988d81fd..b1af3790bc83 100644
--- a/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx
+++ b/sc/source/ui/Accessibility/AccessiblePreviewTable.cxx
@@ -51,7 +51,7 @@ ScAccessiblePreviewTable::ScAccessiblePreviewTable( const css::uno::Reference<cs
     ScAccessibleContextBase( rxParent, AccessibleRole::TABLE ),
     mpViewShell( pViewShell ),
     mnIndex( nIndex ),
-    mpTableInfo( NULL )
+    mpTableInfo( nullptr )
 {
     if (mpViewShell)
         mpViewShell->AddAccessibilityObject(*this);
@@ -73,7 +73,7 @@ void SAL_CALL ScAccessiblePreviewTable::disposing()
     if (mpViewShell)
     {
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
 
     if (mpTableInfo)
@@ -252,13 +252,13 @@ sal_Int32 SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnExtentAt( sal_In
 uno::Reference< XAccessibleTable > SAL_CALL ScAccessiblePreviewTable::getAccessibleRowHeaders() throw (uno::RuntimeException, std::exception)
 {
     //! missing
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference< XAccessibleTable > SAL_CALL ScAccessiblePreviewTable::getAccessibleColumnHeaders() throw (uno::RuntimeException, std::exception)
 {
     //! missing
-    return NULL;
+    return nullptr;
 }
 
 uno::Sequence< sal_Int32 > SAL_CALL ScAccessiblePreviewTable::getSelectedAccessibleRows() throw (uno::RuntimeException, std::exception)
@@ -343,13 +343,13 @@ uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleCe
 uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleCaption() throw (uno::RuntimeException, std::exception)
 {
     //! missing
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewTable::getAccessibleSummary() throw (uno::RuntimeException, std::exception)
 {
     //! missing
-    return NULL;
+    return nullptr;
 }
 
 sal_Bool SAL_CALL ScAccessiblePreviewTable::isAccessibleSelected( sal_Int32 nRow, sal_Int32 nColumn )
@@ -637,7 +637,7 @@ Rectangle ScAccessiblePreviewTable::GetBoundingBoxOnScreen() const throw (uno::R
         vcl::Window* pWindow = mpViewShell->GetWindow();
         if (pWindow)
         {
-            Rectangle aRect = pWindow->GetWindowExtentsRelative(NULL);
+            Rectangle aRect = pWindow->GetWindowExtentsRelative(nullptr);
             aCellRect.setX(aCellRect.getX() + aRect.getX());
             aCellRect.setY(aCellRect.getY() + aRect.getY());
         }
@@ -671,7 +671,7 @@ Rectangle ScAccessiblePreviewTable::GetBoundingBox() const
 
 bool ScAccessiblePreviewTable::IsDefunc( const uno::Reference<XAccessibleStateSet>& rxParentStates )
 {
-    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == NULL) || !getAccessibleParent().is() ||
+    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
         (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
 }
 
diff --git a/sc/source/ui/Accessibility/AccessibleSpreadsheet.cxx b/sc/source/ui/Accessibility/AccessibleSpreadsheet.cxx
index 8c85c4518c6d..e1a56c54c812 100644
--- a/sc/source/ui/Accessibility/AccessibleSpreadsheet.cxx
+++ b/sc/source/ui/Accessibility/AccessibleSpreadsheet.cxx
@@ -197,7 +197,7 @@ bool ScAccessibleSpreadsheet::CalcScRangeDifferenceMax(ScRange *pSrc, ScRange *p
 //In Src , Not in Dest
 bool ScAccessibleSpreadsheet::CalcScRangeListDifferenceMax(ScRangeList *pSrc,ScRangeList *pDest,int nMax,VEC_MYADDR &vecRet)
 {
-    if (pSrc == NULL || pDest == NULL)
+    if (pSrc == nullptr || pDest == nullptr)
     {
         return false;
     }
@@ -285,8 +285,8 @@ void ScAccessibleSpreadsheet::ConstructScAccessibleSpreadsheet(
     ScSplitPos eSplitPos)
 {
     mpViewShell = pViewShell;
-    mpMarkedRanges = 0;
-    mpSortedMarkedCells = 0;
+    mpMarkedRanges = nullptr;
+    mpSortedMarkedCells = nullptr;
     mpAccDoc = pAccDoc;
     mpAccCell.clear();
     meSplitPos = eSplitPos;
@@ -319,7 +319,7 @@ void SAL_CALL ScAccessibleSpreadsheet::disposing()
     if (mpViewShell)
     {
         mpViewShell->RemoveAccessibilityObject(*this);
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
     }
     mpAccCell.clear();
 
@@ -1004,7 +1004,7 @@ uno::Reference< XAccessible > SAL_CALL ScAccessibleSpreadsheet::getAccessibleAtP
             }
             catch(const css::lang::IndexOutOfBoundsException &)
             {
-                return NULL;
+                return nullptr;
             }
         }
     }
@@ -1041,9 +1041,9 @@ sal_Int32 SAL_CALL ScAccessibleSpreadsheet::getBackground(  )
 uno::Reference<XAccessibleRelationSet> SAL_CALL ScAccessibleSpreadsheet::getAccessibleRelationSet()
         throw (css::uno::RuntimeException, std::exception)
 {
-    utl::AccessibleRelationSetHelper* pRelationSet = NULL;
+    utl::AccessibleRelationSetHelper* pRelationSet = nullptr;
     if(mpAccDoc)
-        pRelationSet = mpAccDoc->GetRelationSet(NULL);
+        pRelationSet = mpAccDoc->GetRelationSet(nullptr);
     if (!pRelationSet)
         pRelationSet = new utl::AccessibleRelationSetHelper();
     return pRelationSet;
@@ -1356,7 +1356,7 @@ Rectangle ScAccessibleSpreadsheet::GetBoundingBoxOnScreen() const
     {
         vcl::Window* pWindow = mpViewShell->GetWindowByPos(meSplitPos);
         if (pWindow)
-            aRect = pWindow->GetWindowExtentsRelative(NULL);
+            aRect = pWindow->GetWindowExtentsRelative(nullptr);
     }
     return aRect;
 }
@@ -1378,7 +1378,7 @@ Rectangle ScAccessibleSpreadsheet::GetBoundingBox() const
 bool ScAccessibleSpreadsheet::IsDefunc(
     const uno::Reference<XAccessibleStateSet>& rxParentStates)
 {
-    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == NULL) || !getAccessibleParent().is() ||
+    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
         (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
 }
 
@@ -1427,7 +1427,7 @@ bool ScAccessibleSpreadsheet::IsCompleteSheetSelected()
 
 ScDocument* ScAccessibleSpreadsheet::GetDocument(ScTabViewShell* pViewShell)
 {
-    ScDocument* pDoc = NULL;
+    ScDocument* pDoc = nullptr;
     if (pViewShell)
         pDoc = pViewShell->GetViewData().GetDocument();
     return pDoc;
diff --git a/sc/source/ui/Accessibility/AccessibleTableBase.cxx b/sc/source/ui/Accessibility/AccessibleTableBase.cxx
index 761f078926a4..c9e7e140eeda 100644
--- a/sc/source/ui/Accessibility/AccessibleTableBase.cxx
+++ b/sc/source/ui/Accessibility/AccessibleTableBase.cxx
@@ -54,7 +54,7 @@ ScAccessibleTableBase::~ScAccessibleTableBase()
 void SAL_CALL ScAccessibleTableBase::disposing()
 {
     SolarMutexGuard aGuard;
-    mpDoc = NULL;
+    mpDoc = nullptr;
 
     ScAccessibleContextBase::disposing();
 }
diff --git a/sc/source/ui/Accessibility/AccessibleText.cxx b/sc/source/ui/Accessibility/AccessibleText.cxx
index 69cd4378d3b3..d18735d3a815 100644
--- a/sc/source/ui/Accessibility/AccessibleText.cxx
+++ b/sc/source/ui/Accessibility/AccessibleText.cxx
@@ -74,7 +74,7 @@ ScViewForwarder::~ScViewForwarder()
 
 bool ScViewForwarder::IsValid() const
 {
-    return mpViewShell != NULL;
+    return mpViewShell != nullptr;
 }
 
 Rectangle ScViewForwarder::GetVisArea() const
@@ -137,7 +137,7 @@ Point ScViewForwarder::PixelToLogic( const Point& rPoint, const MapMode& rMapMod
 
 void ScViewForwarder::SetInvalid()
 {
-    mpViewShell = NULL;
+    mpViewShell = nullptr;
 }
 
 class ScEditObjectViewForwarder : public SvxViewForwarder
@@ -237,7 +237,7 @@ Point ScEditObjectViewForwarder::PixelToLogic( const Point& rPoint, const MapMod
 
 void ScEditObjectViewForwarder::SetInvalid()
 {
-    mpWindow = NULL;
+    mpWindow = nullptr;
 }
 
 class ScPreviewViewForwarder : public SvxViewForwarder
@@ -265,7 +265,7 @@ public:
 ScPreviewViewForwarder::ScPreviewViewForwarder(ScPreviewShell* pViewShell)
     :
     mpViewShell(pViewShell),
-    mpTableInfo(NULL)
+    mpTableInfo(nullptr)
 {
 }
 
@@ -276,7 +276,7 @@ ScPreviewViewForwarder::~ScPreviewViewForwarder()
 
 bool ScPreviewViewForwarder::IsValid() const
 {
-    return mpViewShell != NULL;
+    return mpViewShell != nullptr;
 }
 
 Rectangle ScPreviewViewForwarder::GetVisArea() const
@@ -330,7 +330,7 @@ Point ScPreviewViewForwarder::PixelToLogic( const Point& rPoint, const MapMode&
 
 void ScPreviewViewForwarder::SetInvalid()
 {
-    mpViewShell = NULL;
+    mpViewShell = nullptr;
 }
 
 Rectangle ScPreviewViewForwarder::GetVisRect() const
@@ -693,8 +693,8 @@ bool ScEditViewForwarder::Paste()
 
 void ScEditViewForwarder::SetInvalid()
 {
-    mpWindow = NULL;
-    mpEditView = NULL;
+    mpWindow = nullptr;
+    mpEditView = nullptr;
 }
 
 //  ScAccessibleCellTextData: shared data between sub objects of a accessible cell text object
@@ -702,8 +702,8 @@ void ScEditViewForwarder::SetInvalid()
 ScAccessibleCellTextData::ScAccessibleCellTextData(ScTabViewShell* pViewShell,
         const ScAddress& rP, ScSplitPos eSplitPos, ScAccessibleCell* pAccCell)
     : ScAccessibleCellBaseTextData(GetDocShell(pViewShell), rP),
-    mpViewForwarder(NULL),
-    mpEditViewForwarder(NULL),
+    mpViewForwarder(nullptr),
+    mpEditViewForwarder(nullptr),
     mpViewShell(pViewShell),
     meSplitPos(eSplitPos),
     mpAccessibleCell( pAccCell )
@@ -728,7 +728,7 @@ void ScAccessibleCellTextData::Notify( SfxBroadcaster& rBC, const SfxHint& rHint
         sal_uLong nId = pSimpleHint->GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            mpViewShell = NULL;                     // invalid now
+            mpViewShell = nullptr;                     // invalid now
             if (mpViewForwarder)
                 mpViewForwarder->SetInvalid();
             if (mpEditViewForwarder)
@@ -929,7 +929,7 @@ SvxViewForwarder* ScAccessibleCellTextData::GetViewForwarder()
 SvxEditViewForwarder* ScAccessibleCellTextData::GetEditViewForwarder( bool /* bCreate */ )
 {
     //#102219#; there should no EditViewForwarder be, because the cell is now readonly in this interface
-    return NULL;
+    return nullptr;
 }
 
 IMPL_LINK_TYPED(ScAccessibleTextData, NotifyHdl, EENotify&, aNotify, void)
@@ -942,7 +942,7 @@ IMPL_LINK_TYPED(ScAccessibleTextData, NotifyHdl, EENotify&, aNotify, void)
 
 ScDocShell* ScAccessibleCellTextData::GetDocShell(ScTabViewShell* pViewShell)
 {
-    ScDocShell* pDocSh = NULL;
+    ScDocShell* pDocSh = nullptr;
     if (pViewShell)
         pDocSh = pViewShell->GetViewData().GetDocShell();
     return pDocSh;
@@ -950,11 +950,11 @@ ScDocShell* ScAccessibleCellTextData::GetDocShell(ScTabViewShell* pViewShell)
 
 ScAccessibleEditObjectTextData::ScAccessibleEditObjectTextData(EditView* pEditView, vcl::Window* pWin, bool isClone)
     :
-    mpViewForwarder(NULL),
-    mpEditViewForwarder(NULL),
+    mpViewForwarder(nullptr),
+    mpEditViewForwarder(nullptr),
     mpEditView(pEditView),
-    mpEditEngine(pEditView ? pEditView->GetEditEngine() : 0),
-    mpForwarder(NULL),
+    mpEditEngine(pEditView ? pEditView->GetEditEngine() : nullptr),
+    mpForwarder(nullptr),
     mpWindow(pWin)
 {
     // If the object is cloned, do NOT add notify hdl.
@@ -984,9 +984,9 @@ void ScAccessibleEditObjectTextData::Notify( SfxBroadcaster& rBC, const SfxHint&
         sal_uLong nId = pSimpleHint->GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            mpWindow = NULL;
-            mpEditView = NULL;
-            mpEditEngine = NULL;
+            mpWindow = nullptr;
+            mpEditView = nullptr;
+            mpEditEngine = nullptr;
             DELETEZ(mpForwarder);
             if (mpViewForwarder)
                 mpViewForwarder->SetInvalid();
@@ -1071,7 +1071,7 @@ ScAccessibleEditLineTextData::~ScAccessibleEditLineTextData()
     if (mbEditEngineCreated && mpEditEngine)
     {
         delete mpEditEngine;
-        mpEditEngine = NULL;    // don't access in ScAccessibleEditObjectTextData dtor!
+        mpEditEngine = nullptr;    // don't access in ScAccessibleEditObjectTextData dtor!
     }
     else if (pTxtWnd && pTxtWnd->GetEditView() && pTxtWnd->GetEditView()->GetEditEngine())
     {
@@ -1090,7 +1090,7 @@ void ScAccessibleEditLineTextData::Dispose()
         pTxtWnd->RemoveAccessibleTextData( *this );
 
     ResetEditMode();
-    mpWindow = NULL;
+    mpWindow = nullptr;
 }
 
 ScAccessibleTextData* ScAccessibleEditLineTextData::Clone() const
@@ -1113,7 +1113,7 @@ SvxTextForwarder* ScAccessibleEditLineTextData::GetTextForwarder()
 
             mpEditView = pTxtWnd->GetEditView();
             ScAccessibleEditObjectTextData::GetTextForwarder(); // fill the mpForwarder
-            mpEditEngine = NULL;
+            mpEditEngine = nullptr;
         }
         else
         {
@@ -1123,7 +1123,7 @@ SvxTextForwarder* ScAccessibleEditLineTextData::GetTextForwarder()
             {
                 SfxItemPool* pEnginePool = EditEngine::CreatePool();
                 pEnginePool->FreezeIdRanges();
-                mpEditEngine = new ScFieldEditEngine(NULL, pEnginePool, NULL, true);
+                mpEditEngine = new ScFieldEditEngine(nullptr, pEnginePool, nullptr, true);
                 mbEditEngineCreated = true;
                 mpEditEngine->EnableUndo( false );
                 mpEditEngine->SetRefMapMode( MAP_100TH_MM );
@@ -1174,7 +1174,7 @@ void ScAccessibleEditLineTextData::ResetEditMode()
         delete mpEditEngine;
     else if (pTxtWnd && pTxtWnd->GetEditView() && pTxtWnd->GetEditView()->GetEditEngine())
         pTxtWnd->GetEditView()->GetEditEngine()->SetNotifyHdl(Link<EENotify&,void>());
-    mpEditEngine = NULL;
+    mpEditEngine = nullptr;
 
     DELETEZ(mpForwarder);
     DELETEZ(mpEditViewForwarder);
@@ -1196,7 +1196,7 @@ void ScAccessibleEditLineTextData::TextChanged()
 void ScAccessibleEditLineTextData::StartEdit()
 {
     ResetEditMode();
-    mpEditView = NULL;
+    mpEditView = nullptr;
 
     // send HINT_BEGEDIT
     SdrHint aHint(HINT_BEGEDIT);
@@ -1210,7 +1210,7 @@ void ScAccessibleEditLineTextData::EndEdit()
     GetBroadcaster().Broadcast( aHint );
 
     ResetEditMode();
-    mpEditView = NULL;
+    mpEditView = nullptr;
 }
 
 //  ScAccessiblePreviewCellTextData: shared data between sub objects of a accessible cell text object
@@ -1218,7 +1218,7 @@ void ScAccessibleEditLineTextData::EndEdit()
 ScAccessiblePreviewCellTextData::ScAccessiblePreviewCellTextData(ScPreviewShell* pViewShell,
                             const ScAddress& rP)
     : ScAccessibleCellBaseTextData(GetDocShell(pViewShell), rP),
-    mpViewForwarder(NULL),
+    mpViewForwarder(nullptr),
     mpViewShell(pViewShell)
 {
 }
@@ -1239,7 +1239,7 @@ void ScAccessiblePreviewCellTextData::Notify( SfxBroadcaster& rBC, const SfxHint
         sal_uLong nId = pSimpleHint->GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            mpViewShell = NULL;                     // invalid now
+            mpViewShell = nullptr;                     // invalid now
             if (mpViewForwarder)
                 mpViewForwarder->SetInvalid();
         }
@@ -1254,7 +1254,7 @@ ScAccessibleTextData* ScAccessiblePreviewCellTextData::Clone() const
 
 SvxTextForwarder* ScAccessiblePreviewCellTextData::GetTextForwarder()
 {
-    bool bEditEngineBefore(pEditEngine != NULL);
+    bool bEditEngineBefore(pEditEngine != nullptr);
 
     ScCellTextData::GetTextForwarder(); // creates Forwarder and EditEngine
 
@@ -1282,7 +1282,7 @@ SvxViewForwarder* ScAccessiblePreviewCellTextData::GetViewForwarder()
 
 ScDocShell* ScAccessiblePreviewCellTextData::GetDocShell(ScPreviewShell* pViewShell)
 {
-    ScDocShell* pDocSh = NULL;
+    ScDocShell* pDocSh = nullptr;
     if (pViewShell)
         pDocSh = static_cast<ScDocShell*>( pViewShell->GetDocument().GetDocumentShell());
     return pDocSh;
@@ -1293,7 +1293,7 @@ ScDocShell* ScAccessiblePreviewCellTextData::GetDocShell(ScPreviewShell* pViewSh
 ScAccessiblePreviewHeaderCellTextData::ScAccessiblePreviewHeaderCellTextData(ScPreviewShell* pViewShell,
             const OUString& rText, const ScAddress& rP, bool bColHeader, bool bRowHeader)
     : ScAccessibleCellBaseTextData(GetDocShell(pViewShell), rP),
-    mpViewForwarder(NULL),
+    mpViewForwarder(nullptr),
     mpViewShell(pViewShell),
     maText(rText),
     mbColHeader(bColHeader),
@@ -1317,7 +1317,7 @@ void ScAccessiblePreviewHeaderCellTextData::Notify( SfxBroadcaster& rBC, const S
         sal_uLong nId = pSimpleHint->GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            mpViewShell = NULL;                     // invalid now
+            mpViewShell = nullptr;                     // invalid now
             if (mpViewForwarder)
                 mpViewForwarder->SetInvalid();
         }
@@ -1343,7 +1343,7 @@ SvxTextForwarder* ScAccessiblePreviewHeaderCellTextData::GetTextForwarder()
         {
             SfxItemPool* pEnginePool = EditEngine::CreatePool();
             pEnginePool->FreezeIdRanges();
-            pEditEngine = new ScFieldEditEngine(NULL, pEnginePool, NULL, true);
+            pEditEngine = new ScFieldEditEngine(nullptr, pEnginePool, nullptr, true);
         }
         pEditEngine->EnableUndo( false );
         if (pDocShell)
@@ -1390,7 +1390,7 @@ SvxViewForwarder* ScAccessiblePreviewHeaderCellTextData::GetViewForwarder()
 
 ScDocShell* ScAccessiblePreviewHeaderCellTextData::GetDocShell(ScPreviewShell* pViewShell)
 {
-    ScDocShell* pDocSh = NULL;
+    ScDocShell* pDocSh = nullptr;
     if (pViewShell)
         pDocSh = static_cast<ScDocShell*>(pViewShell->GetDocument().GetDocumentShell());
     return pDocSh;
@@ -1399,11 +1399,11 @@ ScDocShell* ScAccessiblePreviewHeaderCellTextData::GetDocShell(ScPreviewShell* p
 ScAccessibleHeaderTextData::ScAccessibleHeaderTextData(ScPreviewShell* pViewShell,
                             const EditTextObject* pEditObj, bool bHeader, SvxAdjust eAdjust)
     :
-    mpViewForwarder(NULL),
+    mpViewForwarder(nullptr),
     mpViewShell(pViewShell),
-    mpEditEngine(NULL),
-    mpForwarder(NULL),
-    mpDocSh(NULL),
+    mpEditEngine(nullptr),
+    mpForwarder(nullptr),
+    mpDocSh(nullptr),
     mpEditObj(pEditObj),
     mbHeader(bHeader),
     mbDataValid(false),
@@ -1440,8 +1440,8 @@ void ScAccessibleHeaderTextData::Notify( SfxBroadcaster&, const SfxHint& rHint )
         sal_uLong nId = pSimpleHint->GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            mpViewShell = NULL;// invalid now
-            mpDocSh = NULL;
+            mpViewShell = nullptr;// invalid now
+            mpDocSh = nullptr;
             if (mpViewForwarder)
                 mpViewForwarder->SetInvalid();
         }
@@ -1514,11 +1514,11 @@ SvxViewForwarder* ScAccessibleHeaderTextData::GetViewForwarder()
 ScAccessibleNoteTextData::ScAccessibleNoteTextData(ScPreviewShell* pViewShell,
                             const OUString& sText, const ScAddress& aCellPos, bool bMarkNote)
     :
-    mpViewForwarder(NULL),
+    mpViewForwarder(nullptr),
     mpViewShell(pViewShell),
-    mpEditEngine(NULL),
-    mpForwarder(NULL),
-    mpDocSh(NULL),
+    mpEditEngine(nullptr),
+    mpForwarder(nullptr),
+    mpDocSh(nullptr),
     msText(sText),
     maCellPos(aCellPos),
     mbMarkNote(bMarkNote),
@@ -1555,8 +1555,8 @@ void ScAccessibleNoteTextData::Notify( SfxBroadcaster&, const SfxHint& rHint )
         sal_uLong nId = pSimpleHint->GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            mpViewShell = NULL;// invalid now
-            mpDocSh = NULL;
+            mpViewShell = nullptr;// invalid now
+            mpDocSh = nullptr;
             if (mpViewForwarder)
                 mpViewForwarder->SetInvalid();
         }
@@ -1576,7 +1576,7 @@ SvxTextForwarder* ScAccessibleNoteTextData::GetTextForwarder()
         {
             SfxItemPool* pEnginePool = EditEngine::CreatePool();
             pEnginePool->FreezeIdRanges();
-            mpEditEngine = new ScFieldEditEngine(NULL, pEnginePool, NULL, true);
+            mpEditEngine = new ScFieldEditEngine(nullptr, pEnginePool, nullptr, true);
         }
         mpEditEngine->EnableUndo( false );
         if (mpDocSh)
@@ -1670,7 +1670,7 @@ Point ScCsvViewForwarder::PixelToLogic( const Point& rPoint, const MapMode& rMap
 
 void ScCsvViewForwarder::SetInvalid()
 {
-    mpWindow = NULL;
+    mpWindow = nullptr;
 }
 
 ScAccessibleCsvTextData::ScAccessibleCsvTextData(
@@ -1696,8 +1696,8 @@ void ScAccessibleCsvTextData::Notify( SfxBroadcaster& rBC, const SfxHint& rHint
         sal_uLong nId = pSimpleHint->GetId();
         if( nId == SFX_HINT_DYING )
         {
-            mpWindow = NULL;
-            mpEditEngine = NULL;
+            mpWindow = nullptr;
+            mpEditEngine = nullptr;
             if (mpViewForwarder.get())
                 mpViewForwarder->SetInvalid();
         }
@@ -1733,7 +1733,7 @@ SvxViewForwarder* ScAccessibleCsvTextData::GetViewForwarder()
 
 SvxEditViewForwarder* ScAccessibleCsvTextData::GetEditViewForwarder( bool /* bCreate */ )
 {
-    return NULL;
+    return nullptr;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/StatisticsDialogs/AnalysisOfVarianceDialog.cxx b/sc/source/ui/StatisticsDialogs/AnalysisOfVarianceDialog.cxx
index 0416a688c66a..e6329bc5d5bc 100644
--- a/sc/source/ui/StatisticsDialogs/AnalysisOfVarianceDialog.cxx
+++ b/sc/source/ui/StatisticsDialogs/AnalysisOfVarianceDialog.cxx
@@ -37,12 +37,12 @@ struct StatisticCalculation {
 
 static StatisticCalculation lclBasicStatistics[] =
 {
-    { STR_ANOVA_LABEL_GROUPS, NULL,                NULL          },
+    { STR_ANOVA_LABEL_GROUPS, nullptr,                nullptr          },
     { STRID_CALC_COUNT,       "=COUNT(%RANGE%)",   "COUNT_RANGE" },
     { STRID_CALC_SUM,         "=SUM(%RANGE%)",     "SUM_RANGE"   },
     { STRID_CALC_MEAN,        "=AVERAGE(%RANGE%)", "MEAN_RANGE"  },
     { STRID_CALC_VARIANCE,    "=VAR(%RANGE%)",     "VAR_RANGE"   },
-    { 0,                      NULL,                NULL          }
+    { 0,                      nullptr,                nullptr          }
 };
 
 static sal_Int16 lclAnovaLabels[] =
@@ -166,7 +166,7 @@ void ScAnalysisOfVarianceDialog::FactorChanged()
 void ScAnalysisOfVarianceDialog::RowColumn(ScRangeList& rRangeList, AddressWalkerWriter& aOutput, FormulaTemplate& aTemplate,
                                            OUString& sFormula, GroupedBy aGroupedBy, ScRange* pResultRange)
 {
-    if (pResultRange != NULL)
+    if (pResultRange != nullptr)
         pResultRange->aStart = aOutput.current();
     if (!sFormula.isEmpty())
     {
@@ -176,7 +176,7 @@ void ScAnalysisOfVarianceDialog::RowColumn(ScRangeList& rRangeList, AddressWalke
             aTemplate.setTemplate(sFormula);
             aTemplate.applyRange(strWildcardRange, *pRange);
             aOutput.writeFormula(aTemplate.getTemplate());
-            if (pResultRange != NULL)
+            if (pResultRange != nullptr)
                 pResultRange->aEnd = aOutput.current();
             aOutput.nextRow();
         }
@@ -191,7 +191,7 @@ void ScAnalysisOfVarianceDialog::RowColumn(ScRangeList& rRangeList, AddressWalke
             aTemplate.setTemplate(aLabelTemplate);
             aTemplate.applyNumber(strWildcardNumber, i + 1);
             aOutput.writeString(aTemplate.getTemplate());
-            if (pResultRange != NULL)
+            if (pResultRange != nullptr)
                 pResultRange->aEnd = aOutput.current();
             aOutput.nextRow();
         }
@@ -233,7 +233,7 @@ void ScAnalysisOfVarianceDialog::AnovaSingleFactor(AddressWalkerWriter& output,
         OUString sFormula = OUString::createFromAscii(lclBasicStatistics[i].aFormula);
         RowColumn(aRangeList, output, aTemplate, sFormula, mGroupedBy, &aResultRange);
         output.nextColumn();
-        if (lclBasicStatistics[i].aResultRangeName != NULL)
+        if (lclBasicStatistics[i].aResultRangeName != nullptr)
         {
             OUString sResultRangeName = OUString::createFromAscii(lclBasicStatistics[i].aResultRangeName);
             aTemplate.autoReplaceRange("%" + sResultRangeName + "%", aResultRange);
@@ -381,7 +381,7 @@ void ScAnalysisOfVarianceDialog::AnovaTwoFactor(AddressWalkerWriter& output, For
         ScRange aResultRange;
         OUString sFormula = OUString::createFromAscii(lclBasicStatistics[i].aFormula);
         RowColumn(aColumnRangeList, output, aTemplate, sFormula, BY_COLUMN, &aResultRange);
-        if (lclBasicStatistics[i].aResultRangeName != NULL)
+        if (lclBasicStatistics[i].aResultRangeName != nullptr)
         {
             OUString sResultRangeName = OUString::createFromAscii(lclBasicStatistics[i].aResultRangeName);
             aTemplate.autoReplaceRange("%" + sResultRangeName + "_COLUMN%", aResultRange);
@@ -399,7 +399,7 @@ void ScAnalysisOfVarianceDialog::AnovaTwoFactor(AddressWalkerWriter& output, For
         OUString sFormula = OUString::createFromAscii(lclBasicStatistics[i].aFormula);
         RowColumn(aRowRangeList, output, aTemplate, sFormula, BY_ROW, &aResultRange);
 
-        if (lclBasicStatistics[i].aResultRangeName != NULL)
+        if (lclBasicStatistics[i].aResultRangeName != nullptr)
         {
             OUString sResultRangeName = OUString::createFromAscii(lclBasicStatistics[i].aResultRangeName);
             aTemplate.autoReplaceRange("%" + sResultRangeName + "_ROW%", aResultRange);
diff --git a/sc/source/ui/StatisticsDialogs/DescriptiveStatisticsDialog.cxx b/sc/source/ui/StatisticsDialogs/DescriptiveStatisticsDialog.cxx
index 0701b2e049cd..24854e3d9c91 100644
--- a/sc/source/ui/StatisticsDialogs/DescriptiveStatisticsDialog.cxx
+++ b/sc/source/ui/StatisticsDialogs/DescriptiveStatisticsDialog.cxx
@@ -51,7 +51,7 @@ static const StatisticCalculation lclCalcDefinitions[] =
     { STRID_CALC_MAX,            "=MAX(%RANGE%)"},
     { STRID_CALC_SUM,            "=SUM(%RANGE%)"},
     { STRID_CALC_COUNT,          "=COUNT(%RANGE%)" },
-    { 0,                         NULL }
+    { 0,                         nullptr }
 };
 
 static const char strWildcardRange[] = "%RANGE%";
@@ -114,7 +114,7 @@ ScRange ScDescriptiveStatisticsDialog::ApplyOutput(ScDocShell* pDocShell)
     aOutput.push();
 
     // Write calculation labels
-    for(sal_Int32 i = 0; lclCalcDefinitions[i].aFormula != NULL; i++)
+    for(sal_Int32 i = 0; lclCalcDefinitions[i].aFormula != nullptr; i++)
     {
         OUString aLabel(SC_STRLOAD(RID_STATISTICS_DLGS, lclCalcDefinitions[i].aCalculationNameId));
         aOutput.writeString(aLabel);
@@ -128,7 +128,7 @@ ScRange ScDescriptiveStatisticsDialog::ApplyOutput(ScDocShell* pDocShell)
     {
         aOutput.resetRow();
 
-        for(sal_Int32 i = 0; lclCalcDefinitions[i].aFormula != NULL; i++)
+        for(sal_Int32 i = 0; lclCalcDefinitions[i].aFormula != nullptr; i++)
         {
             aTemplate.setTemplate(lclCalcDefinitions[i].aFormula);
             aTemplate.applyRange(strWildcardRange, pIterator->get(), b3DAddress);
diff --git a/sc/source/ui/StatisticsDialogs/RandomNumberGeneratorDialog.cxx b/sc/source/ui/StatisticsDialogs/RandomNumberGeneratorDialog.cxx
index 3f2c93005b57..83b1cedf035f 100644
--- a/sc/source/ui/StatisticsDialogs/RandomNumberGeneratorDialog.cxx
+++ b/sc/source/ui/StatisticsDialogs/RandomNumberGeneratorDialog.cxx
@@ -328,8 +328,8 @@ void ScRandomNumberGeneratorDialog::GenerateNumbers(RNG& randomGenerator, const
 
 IMPL_LINK_NOARG_TYPED( ScRandomNumberGeneratorDialog, OkClicked, Button*, void )
 {
-    ApplyClicked(NULL);
-    CloseClicked(NULL);
+    ApplyClicked(nullptr);
+    CloseClicked(nullptr);
 }
 
 IMPL_LINK_NOARG_TYPED( ScRandomNumberGeneratorDialog, ApplyClicked, Button*, void )
@@ -344,7 +344,7 @@ IMPL_LINK_NOARG_TYPED( ScRandomNumberGeneratorDialog, CloseClicked, Button*, voi
 
 IMPL_LINK_TYPED( ScRandomNumberGeneratorDialog, GetFocusHandler, Control&, rCtrl, void )
 {
-    Edit* pEdit = NULL;
+    Edit* pEdit = nullptr;
 
     if( (&rCtrl == static_cast<Control*>(mpInputRangeEdit)) || (&rCtrl == static_cast<Control*>(mpInputRangeButton)) )
         pEdit = mpInputRangeEdit;
diff --git a/sc/source/ui/StatisticsDialogs/SamplingDialog.cxx b/sc/source/ui/StatisticsDialogs/SamplingDialog.cxx
index ebffefe8323d..4a03c7ec1775 100644
--- a/sc/source/ui/StatisticsDialogs/SamplingDialog.cxx
+++ b/sc/source/ui/StatisticsDialogs/SamplingDialog.cxx
@@ -29,7 +29,7 @@ ScSamplingDialog::ScSamplingDialog(
                     vcl::Window* pParent, ScViewData* pViewData ) :
     ScAnyRefDlg     ( pSfxBindings, pChildWindow, pParent,
                       "SamplingDialog", "modules/scalc/ui/samplingdialog.ui" ),
-    mpActiveEdit    ( NULL  ),
+    mpActiveEdit    ( nullptr  ),
     mViewData       ( pViewData ),
     mDocument       ( pViewData->GetDocument() ),
     mInputRange     ( ScAddress::INITIALIZE_INVALID ),
@@ -296,7 +296,7 @@ IMPL_LINK_NOARG_TYPED( ScSamplingDialog, OkClicked, Button*, void )
 
 IMPL_LINK_TYPED( ScSamplingDialog, GetFocusHandler, Control&, rCtrl, void )
 {
-    mpActiveEdit = NULL;
+    mpActiveEdit = nullptr;
 
     if(      (&rCtrl == static_cast<Control*>(mpInputRangeEdit))  || (&rCtrl == static_cast<Control*>(mpInputRangeButton)) )
         mpActiveEdit = mpInputRangeEdit;
diff --git a/sc/source/ui/StatisticsDialogs/StatisticsInputOutputDialog.cxx b/sc/source/ui/StatisticsDialogs/StatisticsInputOutputDialog.cxx
index 51d36af4d0ba..02a3e717be86 100644
--- a/sc/source/ui/StatisticsDialogs/StatisticsInputOutputDialog.cxx
+++ b/sc/source/ui/StatisticsDialogs/StatisticsInputOutputDialog.cxx
@@ -63,7 +63,7 @@ ScStatisticsInputOutputDialog::ScStatisticsInputOutputDialog(
     mAddressDetails ( mDocument->GetAddressConvention(), 0, 0 ),
     mOutputAddress  ( ScAddress::INITIALIZE_INVALID ),
     mGroupedBy      ( BY_COLUMN ),
-    mpActiveEdit    ( NULL ),
+    mpActiveEdit    ( nullptr ),
     mCurrentAddress ( pViewData->GetCurX(), pViewData->GetCurY(), pViewData->GetTabNo() ),
     mDialogLostFocus( false )
 {
@@ -200,7 +200,7 @@ IMPL_LINK_NOARG_TYPED( ScStatisticsInputOutputDialog, OkClicked, Button*, void )
 
 IMPL_LINK_TYPED( ScStatisticsInputOutputDialog, GetFocusHandler, Control&, rCtrl, void )
 {
-    mpActiveEdit = NULL;
+    mpActiveEdit = nullptr;
 
     if(      (&rCtrl == static_cast<Control*>(mpInputRangeEdit))  || (&rCtrl == static_cast<Control*>(mpInputRangeButton)) )
         mpActiveEdit = mpInputRangeEdit;
diff --git a/sc/source/ui/StatisticsDialogs/StatisticsTwoVariableDialog.cxx b/sc/source/ui/StatisticsDialogs/StatisticsTwoVariableDialog.cxx
index b6376a564c1f..df6dc0117615 100644
--- a/sc/source/ui/StatisticsDialogs/StatisticsTwoVariableDialog.cxx
+++ b/sc/source/ui/StatisticsDialogs/StatisticsTwoVariableDialog.cxx
@@ -36,7 +36,7 @@ ScStatisticsTwoVariableDialog::ScStatisticsTwoVariableDialog(
     mAddressDetails ( mDocument->GetAddressConvention(), 0, 0 ),
     mOutputAddress  ( ScAddress::INITIALIZE_INVALID ),
     mGroupedBy      ( BY_COLUMN ),
-    mpActiveEdit    ( NULL ),
+    mpActiveEdit    ( nullptr ),
     mCurrentAddress ( pViewData->GetCurX(), pViewData->GetCurY(), pViewData->GetTabNo() ),
     mDialogLostFocus( false )
 {
@@ -213,7 +213,7 @@ IMPL_LINK_NOARG_TYPED( ScStatisticsTwoVariableDialog, OkClicked, Button*, void )
 
 IMPL_LINK_TYPED( ScStatisticsTwoVariableDialog, GetFocusHandler, Control&, rCtrl, void )
 {
-    mpActiveEdit = NULL;
+    mpActiveEdit = nullptr;
     if(      &rCtrl == mpVariable1RangeEdit
           || &rCtrl == mpVariable1RangeButton )
     {
diff --git a/sc/source/ui/StatisticsDialogs/TableFillingAndNavigationTools.cxx b/sc/source/ui/StatisticsDialogs/TableFillingAndNavigationTools.cxx
index 0bc4d938fe26..3594aa7f4372 100644
--- a/sc/source/ui/StatisticsDialogs/TableFillingAndNavigationTools.cxx
+++ b/sc/source/ui/StatisticsDialogs/TableFillingAndNavigationTools.cxx
@@ -175,7 +175,7 @@ void AddressWalkerWriter::writeMatrixFormula(const OUString& aFormula)
     ScRange aRange;
     aRange.aStart = mCurrentAddress;
     aRange.aEnd = mCurrentAddress;
-    mpDocShell->GetDocFunc().EnterMatrix(aRange, NULL, NULL, aFormula, false, false, OUString(), meGrammar );
+    mpDocShell->GetDocFunc().EnterMatrix(aRange, nullptr, nullptr, aFormula, false, false, OUString(), meGrammar );
 }
 
 void AddressWalkerWriter::writeString(const OUString& aString)
diff --git a/sc/source/ui/app/client.cxx b/sc/source/ui/app/client.cxx
index 11702c6efc23..a762755cd8c3 100644
--- a/sc/source/ui/app/client.cxx
+++ b/sc/source/ui/app/client.cxx
@@ -42,7 +42,7 @@ using namespace com::sun::star;
 ScClient::ScClient( ScTabViewShell* pViewShell, vcl::Window* pDraw, SdrModel* pSdrModel, SdrOle2Obj* pObj ) :
     SfxInPlaceClient( pViewShell, pDraw, pObj->GetAspect() ),
     pModel( pSdrModel ),
-    pGrafEdit( 0 )
+    pGrafEdit( nullptr )
 {
     SetObject( pObj->GetObjRef() );
 }
@@ -54,7 +54,7 @@ ScClient::~ScClient()
 SdrOle2Obj* ScClient::GetDrawObj()
 {
     uno::Reference < embed::XEmbeddedObject > xObj = GetObject();
-    SdrOle2Obj* pOle2Obj = NULL;
+    SdrOle2Obj* pOle2Obj = nullptr;
     OUString aName = GetViewShell()->GetObjectShell()->GetEmbeddedObjectContainer().GetEmbeddedObjectName( xObj );
 
     sal_uInt16 nPages = pModel->GetPageCount();
diff --git a/sc/source/ui/app/drwtrans.cxx b/sc/source/ui/app/drwtrans.cxx
index 527ff99f8f6d..a257bc533368 100644
--- a/sc/source/ui/app/drwtrans.cxx
+++ b/sc/source/ui/app/drwtrans.cxx
@@ -78,11 +78,11 @@ ScDrawTransferObj::ScDrawTransferObj( SdrModel* pClipModel, ScDocShell* pContain
                                         const TransferableObjectDescriptor& rDesc ) :
     pModel( pClipModel ),
     aObjDesc( rDesc ),
-    pBookmark( NULL ),
+    pBookmark( nullptr ),
     bGraphic( false ),
     bGrIsBit( false ),
     bOleObj( false ),
-    pDragSourceView( NULL ),
+    pDragSourceView( nullptr ),
     nDragSourceFlags( 0 ),
     bDragWasInternal( false ),
     nSourceDocID( 0 ),
@@ -157,7 +157,7 @@ ScDrawTransferObj::ScDrawTransferObj( SdrModel* pClipModel, ScDocShell* pContain
                                     OUString aUrl = sTmp;
                                     OUString aAbs;
                                     const SfxMedium* pMedium;
-                                    if (pContainerShell && (pMedium = pContainerShell->GetMedium()) != NULL)
+                                    if (pContainerShell && (pMedium = pContainerShell->GetMedium()) != nullptr)
                                     {
                                         bool bWasAbs = true;
                                         aAbs = pMedium->GetURLObject().smartRel2Abs( aUrl, bWasAbs ).
@@ -227,7 +227,7 @@ ScDrawTransferObj::~ScDrawTransferObj()
     if ( pScMod->GetClipData().pDrawClipboard == this )
     {
         OSL_FAIL("ScDrawTransferObj wasn't released");
-        pScMod->SetClipObject( NULL, NULL );
+        pScMod->SetClipObject( nullptr, nullptr );
     }
     if ( pScMod->GetDragData().pDrawTransfer == this )
     {
@@ -594,7 +594,7 @@ void ScDrawTransferObj::ObjectReleased()
 {
     ScModule* pScMod = SC_MOD();
     if ( pScMod->GetClipData().pDrawClipboard == this )
-        pScMod->SetClipObject( NULL, NULL );
+        pScMod->SetClipObject( nullptr, nullptr );
 
     TransferableHelper::ObjectReleased();
 }
@@ -690,7 +690,7 @@ SdrOle2Obj* ScDrawTransferObj::GetSingleObject()
         }
     }
 
-    return NULL;
+    return nullptr;
 }
 
 void ScDrawTransferObj::CreateOLEData()
@@ -735,7 +735,7 @@ void ScDrawTransferObj::InitDocShell()
         aDestView.Paste(
             *pModel,
             Point(aSrcSize.Width()/2, aSrcSize.Height()/2),
-            NULL, SdrInsertFlags::NONE, OUString(), OUString());
+            nullptr, SdrInsertFlags::NONE, OUString(), OUString());
 
         // put objects to right layer (see ScViewFunc::PasteDataFormat for SotClipboardFormatId::DRAWING)
 
@@ -762,7 +762,7 @@ void ScDrawTransferObj::InitDocShell()
         aViewOpt.SetOption( VOPT_GRID, false );
         rDestDoc.SetViewOptions( aViewOpt );
 
-        ScViewData aViewData( pDocSh, NULL );
+        ScViewData aViewData( pDocSh, nullptr );
         aViewData.SetTabNo( 0 );
         aViewData.SetScreen( aDestArea );
         aViewData.SetCurX( 0 );
diff --git a/sc/source/ui/app/inputhdl.cxx b/sc/source/ui/app/inputhdl.cxx
index f3d4eb95cb86..070c94a25fc7 100644
--- a/sc/source/ui/app/inputhdl.cxx
+++ b/sc/source/ui/app/inputhdl.cxx
@@ -501,16 +501,16 @@ static sal_Int32 lcl_MatchParenthesis( const OUString& rStr, sal_Int32 nPos )
 }
 
 ScInputHandler::ScInputHandler()
-    :   pInputWin( NULL ),
-        pEngine( NULL ),
-        pTableView( NULL ),
-        pTopView( NULL ),
-        pColumnData( NULL ),
-        pFormulaData( NULL ),
-        pFormulaDataPara( NULL ),
-        pTipVisibleParent( NULL ),
+    :   pInputWin( nullptr ),
+        pEngine( nullptr ),
+        pTableView( nullptr ),
+        pTopView( nullptr ),
+        pColumnData( nullptr ),
+        pFormulaData( nullptr ),
+        pFormulaDataPara( nullptr ),
+        pTipVisibleParent( nullptr ),
         nTipVisible( 0 ),
-        pTipVisibleSecParent( NULL ),
+        pTipVisibleSecParent( nullptr ),
         nTipVisibleSec( 0 ),
         nFormSelStart( 0 ),
         nFormSelEnd( 0 ),
@@ -535,17 +535,17 @@ ScInputHandler::ScInputHandler()
         eAttrAdjust( SVX_HOR_JUSTIFY_STANDARD ),
         aScaleX( 1,1 ),
         aScaleY( 1,1 ),
-        pRefViewSh( NULL ),
-        pLastPattern( NULL ),
-        pEditDefaults( NULL ),
-        pLastState( NULL ),
-        pDelayTimer( NULL ),
-        pRangeFindList( NULL ),
+        pRefViewSh( nullptr ),
+        pLastPattern( nullptr ),
+        pEditDefaults( nullptr ),
+        pLastState( nullptr ),
+        pDelayTimer( nullptr ),
+        pRangeFindList( nullptr ),
         maFormulaChar()
 {
     //  The InputHandler is constructed with the view, so SfxViewShell::Current
     //  doesn't have the right view yet. pActiveViewSh is updated in NotifyChange.
-    pActiveViewSh = NULL;
+    pActiveViewSh = nullptr;
 
     //  Bindings (only still used for Invalidate) are retrieved if needed on demand
 }
@@ -558,10 +558,10 @@ ScInputHandler::~ScInputHandler()
         EnterHandler(); // Finish input
 
     if (SC_MOD()->GetRefInputHdl() == this)
-        SC_MOD()->SetRefInputHdl(NULL);
+        SC_MOD()->SetRefInputHdl(nullptr);
 
     if ( pInputWin && pInputWin->GetInputHandler() == this )
-        pInputWin->SetInputHandler( NULL );
+        pInputWin->SetInputHandler( nullptr );
 
     delete pRangeFindList;
     delete pEditDefaults;
@@ -603,7 +603,7 @@ void ScInputHandler::UpdateRefDevice()
     if ( bTextWysiwyg && pActiveViewSh )
         pEngine->SetRefDevice( pActiveViewSh->GetViewData().GetDocument()->GetPrinter() );
     else
-        pEngine->SetRefDevice( NULL );
+        pEngine->SetRefDevice( nullptr );
 
     MapMode aMode( MAP_100TH_MM, Point(), aScaleX, aScaleY );
     pEngine->SetRefMapMode( aMode );
@@ -626,7 +626,7 @@ void ScInputHandler::ImplCreateEditEngine()
             pEngine = new ScFieldEditEngine(&rDoc, rDoc.GetEnginePool(), rDoc.GetEditPool());
         }
         else
-            pEngine = new ScFieldEditEngine(NULL, EditEngine::CreatePool(), NULL, true);
+            pEngine = new ScFieldEditEngine(nullptr, EditEngine::CreatePool(), nullptr, true);
         pEngine->SetWordDelimiters( ScEditUtil::ModifyDelimiters( pEngine->GetWordDelimiters() ) );
         UpdateRefDevice();      // also sets MapMode
         pEngine->SetPaperSize( Size( 1000000, 1000000 ) );
@@ -785,7 +785,7 @@ void ScInputHandler::HideTip()
             pTipVisibleParent->RemoveEventListener( LINK( this, ScInputHandler, ShowHideTipVisibleParentListener ) );
         Help::HideTip( nTipVisible );
         nTipVisible = 0;
-        pTipVisibleParent = NULL;
+        pTipVisibleParent = nullptr;
     }
     aManualTip.clear();
 }
@@ -797,7 +797,7 @@ void ScInputHandler::HideTipBelow()
             pTipVisibleSecParent->RemoveEventListener( LINK( this, ScInputHandler, ShowHideTipVisibleSecParentListener ) );
         Help::HideTip( nTipVisibleSec );
         nTipVisibleSec = 0;
-        pTipVisibleSecParent = NULL;
+        pTipVisibleSecParent = nullptr;
     }
     aManualTip.clear();
 }
@@ -818,7 +818,7 @@ void ScInputHandler::ShowArgumentsTip( OUString& rSelText )
             sal_Int32 nNextFStart = aHelper.GetFunctionStart( rSelText, nLeftParentPos, true);
             const IFunctionDescription* ppFDesc;
             ::std::vector< OUString> aArgs;
-            if( aHelper.GetNextFunc( rSelText, false, nNextFStart, NULL, &ppFDesc, &aArgs ) )
+            if( aHelper.GetNextFunc( rSelText, false, nNextFStart, nullptr, &ppFDesc, &aArgs ) )
             {
                 if( !ppFDesc->getFunctionName().isEmpty() )
                 {
@@ -1658,8 +1658,8 @@ void ScInputHandler::ViewShellGone(ScTabViewShell* pViewSh) // Executed synchron
     if ( pViewSh == pActiveViewSh )
     {
         delete pLastState;
-        pLastState = NULL;
-        pLastPattern = NULL;
+        pLastState = nullptr;
+        pLastPattern = nullptr;
     }
 
     if ( pViewSh == pRefViewSh )
@@ -1668,9 +1668,9 @@ void ScInputHandler::ViewShellGone(ScTabViewShell* pViewSh) // Executed synchron
         // We end the EditMode anyways
         EnterHandler();
         bFormulaMode = false;
-        pRefViewSh = NULL;
+        pRefViewSh = nullptr;
         SfxGetpApp()->Broadcast( SfxSimpleHint( FID_REFMODECHANGED ) );
-        SC_MOD()->SetRefInputHdl(NULL);
+        SC_MOD()->SetRefInputHdl(nullptr);
         if (pInputWin)
             pInputWin->SetFormulaMode(false);
         UpdateAutoCorrFlag();
@@ -1681,7 +1681,7 @@ void ScInputHandler::ViewShellGone(ScTabViewShell* pViewSh) // Executed synchron
     if ( pActiveViewSh && pActiveViewSh == pViewSh )
     {
         OSL_FAIL("pActiveViewSh is gone");
-        pActiveViewSh = NULL;
+        pActiveViewSh = nullptr;
     }
 
     if ( SC_MOD()->GetInputOptions().GetTextWysiwyg() )
@@ -1699,7 +1699,7 @@ void ScInputHandler::UpdateActiveView()
 
     vcl::Window* pShellWin = pActiveViewSh ?
                 pActiveViewSh->GetWindowByPos( pActiveViewSh->GetViewData().GetEditActivePart() ) :
-                NULL;
+                nullptr;
 
     sal_uInt16 nCount = pEngine->GetViewCount();
     if (nCount > 0)
@@ -1714,7 +1714,7 @@ void ScInputHandler::UpdateActiveView()
         }
     }
     else
-        pTableView = NULL;
+        pTableView = nullptr;
 
     // setup the pTableView editeng for tiled rendering to get cursor and selections
     if (pActiveViewSh && pTableView)
@@ -1732,7 +1732,7 @@ void ScInputHandler::UpdateActiveView()
     if (pInputWin && eMode == SC_INPUT_TOP )
         pTopView = pInputWin->GetEditView();
     else
-        pTopView = NULL;
+        pTopView = nullptr;
 }
 
 void ScInputHandler::SetInputWindow(  ScInputWindow* pNew )
@@ -1745,7 +1745,7 @@ void ScInputHandler::StopInputWinEngine( bool bAll )
     if (pInputWin)
         pInputWin->StopEditEngine( bAll );
 
-    pTopView = NULL; // invalid now
+    pTopView = nullptr; // invalid now
 }
 
 EditView* ScInputHandler::GetActiveView()
@@ -1756,7 +1756,7 @@ EditView* ScInputHandler::GetActiveView()
 
 void ScInputHandler::ForgetLastPattern()
 {
-    pLastPattern = NULL;
+    pLastPattern = nullptr;
     if ( !pLastState && pActiveViewSh )
         pActiveViewSh->UpdateInputHandler( true ); // Get status again
     else
@@ -2207,9 +2207,9 @@ void ScInputHandler::UpdateFormulaMode()
         {
             ShowRefFrame();
             bFormulaMode = false;
-            pRefViewSh = NULL;
+            pRefViewSh = nullptr;
             pSfxApp->Broadcast( SfxSimpleHint( FID_REFMODECHANGED ) );
-            SC_MOD()->SetRefInputHdl(NULL);
+            SC_MOD()->SetRefInputHdl(nullptr);
             if (pInputWin)
                 pInputWin->SetFormulaMode(false);
             UpdateAutoCorrFlag();
@@ -2418,8 +2418,8 @@ void ScInputHandler::EnterHandler( ScEnterMode nBlockMode )
     bool bMatrix = ( nBlockMode == ScEnterMode::MATRIX );
 
     SfxApplication* pSfxApp     = SfxGetpApp();
-    EditTextObject* pObject     = NULL;
-    ScPatternAttr*  pCellAttrs  = NULL;
+    EditTextObject* pObject     = nullptr;
+    ScPatternAttr*  pCellAttrs  = nullptr;
     bool            bForget     = false; // Remove due to validity?
 
     OUString aString = GetEditText(pEngine);
@@ -2434,7 +2434,7 @@ void ScInputHandler::EnterHandler( ScEnterMode nBlockMode )
             lcl_SelectionToEnd(pTableView);
         }
 
-        vcl::Window* pFrameWin = pActiveViewSh ? pActiveViewSh->GetFrameWin() : NULL;
+        vcl::Window* pFrameWin = pActiveViewSh ? pActiveViewSh->GetFrameWin() : nullptr;
 
         if (pTopView)
             pTopView->CompleteAutoCorrect(); // CompleteAutoCorrect for both Views
@@ -2534,12 +2534,12 @@ void ScInputHandler::EnterHandler( ScEnterMode nBlockMode )
 
         ESelection aSel( 0, 0, nParCnt-1, pEngine->GetTextLen(nParCnt-1) );
         SfxItemSet aOldAttribs = pEngine->GetAttribs( aSel );
-        const SfxPoolItem* pItem = NULL;
+        const SfxPoolItem* pItem = nullptr;
 
         // Find common (cell) attributes before RemoveAdjust
         if ( pActiveViewSh && bUniformAttribs )
         {
-            SfxItemSet* pCommonAttrs = NULL;
+            SfxItemSet* pCommonAttrs = nullptr;
             for (sal_uInt16 nId = EE_CHAR_START; nId <= EE_CHAR_END; nId++)
             {
                 SfxItemState eState = aOldAttribs.GetItemState( nId, false, &pItem );
@@ -2640,12 +2640,12 @@ void ScInputHandler::EnterHandler( ScEnterMode nBlockMode )
 
         bFormulaMode = false;
         pSfxApp->Broadcast( SfxSimpleHint( FID_REFMODECHANGED ) );
-        SC_MOD()->SetRefInputHdl(NULL);
+        SC_MOD()->SetRefInputHdl(nullptr);
         if (pInputWin)
             pInputWin->SetFormulaMode(false);
         UpdateAutoCorrFlag();
     }
-    pRefViewSh = NULL; // Also without FormulaMode due to FunctionsAutoPilot
+    pRefViewSh = nullptr; // Also without FormulaMode due to FunctionsAutoPilot
     DeleteRangeFinder();
     ResetAutoPar();
 
@@ -2658,7 +2658,7 @@ void ScInputHandler::EnterHandler( ScEnterMode nBlockMode )
 
     // Text input (through number formats) or ApplySelectionPattern modify
     // the cell's attributes, so pLastPattern is no longer valid
-    pLastPattern = NULL;
+    pLastPattern = nullptr;
 
     if (bOldMod && !bProtected && !bForget)
     {
@@ -2715,12 +2715,12 @@ void ScInputHandler::EnterHandler( ScEnterMode nBlockMode )
 
             const SfxPoolItem* aArgs[2];
             aArgs[0] = &aItem;
-            aArgs[1] = NULL;
+            aArgs[1] = nullptr;
             rBindings.Execute( nId, aArgs );
         }
 
         delete pLastState; // pLastState still contains the old text
-        pLastState = NULL;
+        pLastState = nullptr;
     }
     else
         pSfxApp->Broadcast( SfxSimpleHint( FID_KILLEDITVIEW ) );
@@ -2768,12 +2768,12 @@ void ScInputHandler::CancelHandler()
         }
         bFormulaMode = false;
         SfxGetpApp()->Broadcast( SfxSimpleHint( FID_REFMODECHANGED ) );
-        SC_MOD()->SetRefInputHdl(NULL);
+        SC_MOD()->SetRefInputHdl(nullptr);
         if (pInputWin)
             pInputWin->SetFormulaMode(false);
         UpdateAutoCorrFlag();
     }
-    pRefViewSh = NULL; // Also without FormulaMode due to FunctionsAutoPilot
+    pRefViewSh = nullptr; // Also without FormulaMode due to FunctionsAutoPilot
     DeleteRangeFinder();
     ResetAutoPar();
 
@@ -3184,7 +3184,7 @@ bool ScInputHandler::KeyInput( const KeyEvent& rKEvt, bool bStartEdit /* = false
                 {
                     if (pTableView)
                     {
-                        vcl::Window* pFrameWin = pActiveViewSh ? pActiveViewSh->GetFrameWin() : NULL;
+                        vcl::Window* pFrameWin = pActiveViewSh ? pActiveViewSh->GetFrameWin() : nullptr;
                         if ( pTableView->PostKeyEvent( rKEvt, pFrameWin ) )
                             bUsed = true;
                     }
@@ -3398,7 +3398,7 @@ void ScInputHandler::NotifyChange( const ScInputHdlState* pState,
     if ( pState != pLastState )
     {
         delete pLastState;
-        pLastState = pState ? new ScInputHdlState( *pState ) : NULL;
+        pLastState = pState ? new ScInputHdlState( *pState ) : nullptr;
     }
 
     if ( pState && pActiveViewSh )
@@ -3573,7 +3573,7 @@ void ScInputHandler::UpdateCellAdjust( SvxCellHorJustify eJust )
 
 void ScInputHandler::ResetDelayTimer()
 {
-    if(pDelayTimer!=NULL)
+    if(pDelayTimer!=nullptr)
     {
         DELETEZ( pDelayTimer );
 
@@ -3590,7 +3590,7 @@ IMPL_LINK_TYPED( ScInputHandler, DelayTimer, Timer*, pTimer, void )
     {
         DELETEZ( pDelayTimer );
 
-        if ( NULL == pLastState || SC_MOD()->IsFormulaMode() || SC_MOD()->IsRefDialogOpen())
+        if ( nullptr == pLastState || SC_MOD()->IsFormulaMode() || SC_MOD()->IsRefDialogOpen())
         {
             //! New method at ScModule to query if function autopilot is open
             SfxViewFrame* pViewFrm = SfxViewFrame::Current();
@@ -3606,7 +3606,7 @@ IMPL_LINK_TYPED( ScInputHandler, DelayTimer, Timer*, pTimer, void )
             {
                 bInOwnChange = true; // disable ModifyHdl (reset below)
 
-                pActiveViewSh = NULL;
+                pActiveViewSh = nullptr;
                 pEngine->SetText( EMPTY_OUSTRING );
                 if ( pInputWin )
                 {
@@ -3726,7 +3726,7 @@ EditView* ScInputHandler::GetFuncEditView()
 {
     UpdateActiveView(); // Due to pTableView
 
-    EditView* pView = NULL;
+    EditView* pView = nullptr;
     if ( pInputWin )
     {
         pInputWin->MakeDialogEditView();
@@ -3825,12 +3825,12 @@ ScInputHdlState::ScInputHdlState( const ScAddress& rCurPos,
         aStartPos   ( rStartPos ),
         aEndPos     ( rEndPos ),
         aString     ( rString ),
-        pEditData   ( pData ? pData->Clone() : NULL )
+        pEditData   ( pData ? pData->Clone() : nullptr )
 {
 }
 
 ScInputHdlState::ScInputHdlState( const ScInputHdlState& rCpy )
-    :   pEditData   ( NULL )
+    :   pEditData   ( nullptr )
 {
     *this = rCpy;
 }
@@ -3857,7 +3857,7 @@ ScInputHdlState& ScInputHdlState::operator=( const ScInputHdlState& r )
     aStartPos   = r.aStartPos;
     aEndPos     = r.aEndPos;
     aString     = r.aString;
-    pEditData   = r.pEditData ? r.pEditData->Clone() : NULL;
+    pEditData   = r.pEditData ? r.pEditData->Clone() : nullptr;
 
     return *this;
 }
diff --git a/sc/source/ui/app/inputwin.cxx b/sc/source/ui/app/inputwin.cxx
index d880c974491d..8fe0dc7bcb0d 100644
--- a/sc/source/ui/app/inputwin.cxx
+++ b/sc/source/ui/app/inputwin.cxx
@@ -149,7 +149,7 @@ SfxChildWinInfo ScInputWindowWrapper::GetInfo() const
 
 static VclPtr<ScTextWndBase> lcl_chooseRuntimeImpl( vcl::Window* pParent, SfxBindings* pBind )
 {
-    ScTabViewShell* pViewSh = NULL;
+    ScTabViewShell* pViewSh = nullptr;
     SfxDispatcher* pDisp = pBind->GetDispatcher();
     if ( pDisp )
     {
@@ -167,7 +167,7 @@ ScInputWindow::ScInputWindow( vcl::Window* pParent, SfxBindings* pBind ) :
         aWndPos         ( VclPtr<ScPosWnd>::Create(this) ),
         pRuntimeWindow  ( lcl_chooseRuntimeImpl( this, pBind ) ),
         aTextWindow     ( *pRuntimeWindow ),
-        pInputHdl       ( NULL ),
+        pInputHdl       ( nullptr ),
         aTextOk         ( ScResId( SCSTR_QHELP_BTNOK ) ),       // Not always new as a Resource
         aTextCancel     ( ScResId( SCSTR_QHELP_BTNCANCEL ) ),
         aTextSum        ( ScResId( SCSTR_QHELP_BTNSUM ) ),
@@ -181,7 +181,7 @@ ScInputWindow::ScInputWindow( vcl::Window* pParent, SfxBindings* pBind ) :
 
     // #i73615# don't rely on SfxViewShell::Current while constructing the input line
     // (also for GetInputHdl below)
-    ScTabViewShell* pViewSh = NULL;
+    ScTabViewShell* pViewSh = nullptr;
     SfxDispatcher* pDisp = pBind->GetDispatcher();
     if ( pDisp )
     {
@@ -254,7 +254,7 @@ ScInputWindow::~ScInputWindow()
 
 void ScInputWindow::dispose()
 {
-    bool bDown = ( ScGlobal::pSysLocale == NULL ); // after Clear?
+    bool bDown = ( ScGlobal::pSysLocale == nullptr ); // after Clear?
 
     //  if any view's input handler has a pointer to this input window, reset it
     //  (may be several ones, #74522#)
@@ -268,7 +268,7 @@ void ScInputWindow::dispose()
             ScInputHandler* pHdl = static_cast<ScTabViewShell*>(pSh)->GetInputHandler();
             if ( pHdl && pHdl->GetInputWindow() == this )
             {
-                pHdl->SetInputWindow( NULL );
+                pHdl->SetInputWindow( nullptr );
                 pHdl->StopInputWinEngine( false );  // reset pTopView pointer
             }
             pSh = SfxViewShell::GetNext( *pSh, true, checkSfxViewShell<ScTabViewShell> );
@@ -939,7 +939,7 @@ void ScInputBarGroup::Resize()
     ScInputWindow *pParent;
     pParent = dynamic_cast<ScInputWindow*>(w);
 
-    if (pParent == NULL)
+    if (pParent == nullptr)
     {
         OSL_FAIL("The parent window pointer pParent is null");
         return;
@@ -1044,7 +1044,7 @@ IMPL_LINK_NOARG_TYPED(ScInputBarGroup, ClickHdl, Button*, void)
     ScInputWindow* pParent;
     pParent = dynamic_cast<ScInputWindow*>(w);
 
-    if (pParent == NULL)
+    if (pParent == nullptr)
     {
         OSL_FAIL("The parent window pointer pParent is null");
         return;
@@ -1094,7 +1094,7 @@ void ScInputBarGroup::TriggerToolboxLayout()
             else
                 rParent.SetToolbarLayoutMode( TBX_LAYOUT_NORMAL );
             xLayoutManager->lock();
-            DataChangedEvent aFakeUpdate( DataChangedEventType::SETTINGS, NULL,  AllSettingsFlags::STYLE );
+            DataChangedEvent aFakeUpdate( DataChangedEventType::SETTINGS, nullptr,  AllSettingsFlags::STYLE );
 
             // this basically will trigger the reposititioning of the
             // items in the toolbar from ImplFormat ( which is controlled by
@@ -1320,7 +1320,7 @@ void ScMultiTextWnd::InitEditEngine()
 {
     ScFieldEditEngine* pNew;
     ScTabViewShell* pViewSh = GetViewShell();
-    ScDocShell* pDocSh = NULL;
+    ScDocShell* pDocSh = nullptr;
     if ( pViewSh )
     {
         pDocSh = pViewSh->GetViewData().GetDocShell();
@@ -1328,7 +1328,7 @@ void ScMultiTextWnd::InitEditEngine()
         pNew = new ScFieldEditEngine(pDoc, pDoc->GetEnginePool(), pDoc->GetEditPool());
     }
     else
-        pNew = new ScFieldEditEngine(NULL, EditEngine::CreatePool(), NULL, true);
+        pNew = new ScFieldEditEngine(nullptr, EditEngine::CreatePool(), nullptr, true);
     pNew->SetExecuteURL( false );
     pEditEngine = pNew;
 
@@ -1420,8 +1420,8 @@ void ScMultiTextWnd::SetTextString( const OUString& rNewString )
 ScTextWnd::ScTextWnd( vcl::Window* pParent, ScTabViewShell* pViewSh )
     :   ScTextWndBase(pParent, WinBits(WB_HIDE | WB_BORDER)),
         DragSourceHelper(this),
-        pEditEngine  (NULL),
-        pEditView    (NULL),
+        pEditEngine  (nullptr),
+        pEditView    (nullptr),
         bIsInsertMode(true),
         bFormulaMode (false),
         bInputMode   (false),
@@ -1470,9 +1470,9 @@ void ScTextWnd::dispose()
         maAccTextDatas.back()->Dispose();
     }
     delete pEditView;
-    pEditView = NULL;
+    pEditView = nullptr;
     delete pEditEngine;
-    pEditEngine = NULL;
+    pEditEngine = nullptr;
 
     ScTextWndBase::dispose();
 }
@@ -1577,7 +1577,7 @@ void ScTextWnd::Command( const CommandEvent& rCEvt )
         {
             // Is dragged onto another View?
             ScTabViewShell* pEndViewSh = ScTabViewShell::GetActiveViewShell();
-            if ( pEndViewSh != pStartViewSh && pStartViewSh != NULL )
+            if ( pEndViewSh != pStartViewSh && pStartViewSh != nullptr )
             {
                 ScViewData& rViewData = pStartViewSh->GetViewData();
                 ScInputHandler* pHdl = pScMod->GetInputHdl( pStartViewSh );
@@ -1707,7 +1707,7 @@ void ScTextWnd::StartEditEngine()
             pNew = new ScFieldEditEngine(pDoc, pDoc->GetEnginePool(), pDoc->GetEditPool());
         }
         else
-            pNew = new ScFieldEditEngine(NULL, EditEngine::CreatePool(), NULL, true);
+            pNew = new ScFieldEditEngine(nullptr, EditEngine::CreatePool(), nullptr, true);
         pNew->SetExecuteURL( false );
         pEditEngine = pNew;
 
@@ -1949,7 +1949,7 @@ void ScTextWnd::MakeDialogEditView()
         pNew = new ScFieldEditEngine(pDoc, pDoc->GetEnginePool(), pDoc->GetEditPool());
     }
     else
-        pNew = new ScFieldEditEngine(NULL, EditEngine::CreatePool(), NULL, true);
+        pNew = new ScFieldEditEngine(nullptr, EditEngine::CreatePool(), nullptr, true);
     pNew->SetExecuteURL( false );
     pEditEngine = pNew;
 
@@ -1994,7 +1994,7 @@ void ScTextWnd::ImplInitSettings()
 
 css::uno::Reference< css::accessibility::XAccessible > ScTextWnd::CreateAccessible()
 {
-    return new ScAccessibleEditObject(GetAccessibleParentWindow()->GetAccessible(), NULL, this,
+    return new ScAccessibleEditObject(GetAccessibleParentWindow()->GetAccessible(), nullptr, this,
         OUString(ScResId(STR_ACC_EDITLINE_NAME)),
         OUString(ScResId(STR_ACC_EDITLINE_DESCR)), ScAccessibleEditObject::EditLine);
 }
@@ -2036,7 +2036,7 @@ void ScTextWnd::TextGrabFocus()
 
 ScPosWnd::ScPosWnd( vcl::Window* pParent ) :
     ComboBox    ( pParent, WinBits(WB_HIDE | WB_DROPDOWN) ),
-    pAccel      ( NULL ),
+    pAccel      ( nullptr ),
     nTipVisible ( 0 ),
     bFormulaMode( false )
 {
diff --git a/sc/source/ui/app/msgpool.cxx b/sc/source/ui/app/msgpool.cxx
index ee6d269e7018..f39fd78bc62a 100644
--- a/sc/source/ui/app/msgpool.cxx
+++ b/sc/source/ui/app/msgpool.cxx
@@ -41,16 +41,16 @@ static SfxItemInfo const aMsgItemInfos[] =
 ScMessagePool::ScMessagePool()
     :   SfxItemPool         ( OUString("ScMessagePool"),
                               MSGPOOL_START, MSGPOOL_END,
-                              aMsgItemInfos, NULL ),
+                              aMsgItemInfos, nullptr ),
 
     aGlobalStringItem       ( SfxStringItem         ( SCITEM_STRING, OUString() ) ),
     aGlobalSearchItem       ( SvxSearchItem         ( SCITEM_SEARCHDATA ) ),
-    aGlobalSortItem         ( ScSortItem            ( SCITEM_SORTDATA, NULL ) ),
-    aGlobalQueryItem        ( ScQueryItem           ( SCITEM_QUERYDATA, NULL, NULL ) ),
-    aGlobalSubTotalItem     ( ScSubTotalItem        ( SCITEM_SUBTDATA, NULL, NULL ) ),
-    aGlobalConsolidateItem  ( ScConsolidateItem     ( SCITEM_CONSOLIDATEDATA, NULL ) ),
-    aGlobalPivotItem        ( ScPivotItem           ( SCITEM_PIVOTDATA, NULL, NULL, false ) ),
-    aGlobalSolveItem        ( ScSolveItem           ( SCITEM_SOLVEDATA, NULL ) ),
+    aGlobalSortItem         ( ScSortItem            ( SCITEM_SORTDATA, nullptr ) ),
+    aGlobalQueryItem        ( ScQueryItem           ( SCITEM_QUERYDATA, nullptr, nullptr ) ),
+    aGlobalSubTotalItem     ( ScSubTotalItem        ( SCITEM_SUBTDATA, nullptr, nullptr ) ),
+    aGlobalConsolidateItem  ( ScConsolidateItem     ( SCITEM_CONSOLIDATEDATA, nullptr ) ),
+    aGlobalPivotItem        ( ScPivotItem           ( SCITEM_PIVOTDATA, nullptr, nullptr, false ) ),
+    aGlobalSolveItem        ( ScSolveItem           ( SCITEM_SOLVEDATA, nullptr ) ),
     aGlobalUserListItem     ( ScUserListItem        ( SCITEM_USERLIST ) ),
 
     aPrintWarnItem          ( SfxBoolItem           ( SCITEM_PRINTWARN, false ) )
@@ -78,7 +78,7 @@ ScMessagePool::ScMessagePool()
 ScMessagePool::~ScMessagePool()
 {
     Delete();
-    SetSecondaryPool( NULL ); // before deleting defaults (accesses defaults)
+    SetSecondaryPool( nullptr ); // before deleting defaults (accesses defaults)
 
     for ( sal_uInt16 i=0; i <= MSGPOOL_END-MSGPOOL_START; i++ )
         SetRefCount( *ppPoolDefaults[i], 0 );
diff --git a/sc/source/ui/app/scmod.cxx b/sc/source/ui/app/scmod.cxx
index 9c9315362145..6327a373fb94 100644
--- a/sc/source/ui/app/scmod.cxx
+++ b/sc/source/ui/app/scmod.cxx
@@ -133,24 +133,24 @@ ScModule::ScModule( SfxObjectFactory* pFact ) :
     SfxModule( ResMgr::CreateResMgr( "sc" ), false, pFact, NULL ),
     mpDragData(new ScDragData),
     mpClipData(new ScClipData),
-    pSelTransfer( NULL ),
-    pMessagePool( NULL ),
-    pRefInputHandler( NULL ),
-    pViewCfg( NULL ),
-    pDocCfg( NULL ),
-    pAppCfg( NULL ),
-    pDefaultsCfg( NULL ),
-    pFormulaCfg( NULL ),
-    pInputCfg( NULL ),
-    pPrintCfg( NULL ),
-    pNavipiCfg( NULL ),
-    pAddInCfg( NULL ),
-    pColorConfig( NULL ),
-    pAccessOptions( NULL ),
-    pCTLOptions( NULL ),
-    pUserOptions( NULL ),
-    pErrorHdl( NULL ),
-    pFormEditData( NULL ),
+    pSelTransfer( nullptr ),
+    pMessagePool( nullptr ),
+    pRefInputHandler( nullptr ),
+    pViewCfg( nullptr ),
+    pDocCfg( nullptr ),
+    pAppCfg( nullptr ),
+    pDefaultsCfg( nullptr ),
+    pFormulaCfg( nullptr ),
+    pInputCfg( nullptr ),
+    pPrintCfg( nullptr ),
+    pNavipiCfg( nullptr ),
+    pAddInCfg( nullptr ),
+    pColorConfig( nullptr ),
+    pAccessOptions( nullptr ),
+    pCTLOptions( nullptr ),
+    pUserOptions( nullptr ),
+    pErrorHdl( nullptr ),
+    pFormEditData( nullptr ),
     nCurRefDlgId( 0 ),
     bIsWaterCan( false ),
     bIsInEditCommand( false ),
@@ -162,7 +162,7 @@ ScModule::ScModule( SfxObjectFactory* pFact ) :
     SetName("StarCalc"); // for Basic
 
     ResetDragObject();
-    SetClipObject( NULL, NULL );
+    SetClipObject( nullptr, nullptr );
 
     // InputHandler does not need to be created
 
@@ -367,7 +367,7 @@ void ScModule::DeleteCfg()
 void ScModule::Execute( SfxRequest& rReq )
 {
     SfxViewFrame* pViewFrm = SfxViewFrame::Current();
-    SfxBindings* pBindings = pViewFrm ? &pViewFrm->GetBindings() : NULL;
+    SfxBindings* pBindings = pViewFrm ? &pViewFrm->GetBindings() : nullptr;
 
     const SfxItemSet*   pReqArgs    = rReq.GetArgs();
     sal_uInt16              nSlot       = rReq.GetSlot();
@@ -567,7 +567,7 @@ void ScModule::Execute( SfxRequest& rReq )
 void ScModule::GetState( SfxItemSet& rSet )
 {
     ScDocShell* pDocSh = dynamic_cast<ScDocShell*>( SfxObjectShell::Current() );
-    bool bTabView = pDocSh && (pDocSh->GetBestViewShell() != NULL);
+    bool bTabView = pDocSh && (pDocSh->GetBestViewShell() != nullptr);
 
     SfxWhichIter aIter(rSet);
     for (sal_uInt16 nWhich = aIter.FirstWhich(); nWhich; nWhich = aIter.NextWhich())
@@ -628,9 +628,9 @@ void ScModule::HideDisabledSlots( SfxItemSet& rSet )
 
 void ScModule::ResetDragObject()
 {
-    mpDragData->pCellTransfer = NULL;
-    mpDragData->pDrawTransfer = NULL;
-    mpDragData->pJumpLocalDoc = NULL;
+    mpDragData->pCellTransfer = nullptr;
+    mpDragData->pDrawTransfer = nullptr;
+    mpDragData->pJumpLocalDoc = nullptr;
     (mpDragData->aLinkDoc).clear();
     (mpDragData->aLinkTable).clear();
     (mpDragData->aLinkArea).clear();
@@ -675,11 +675,11 @@ void ScModule::SetClipObject( ScTransferObj* pCellObj, ScDrawTransferObj* pDrawO
 ScDocument* ScModule::GetClipDoc()
 {
     // called from document
-    ScTransferObj* pObj = ScTransferObj::GetOwnClipboard( NULL );
+    ScTransferObj* pObj = ScTransferObj::GetOwnClipboard( nullptr );
     if (pObj)
         return pObj->GetDocument();
 
-    return NULL;
+    return nullptr;
 }
 
 void ScModule::SetSelectionTransfer( ScSelectionTransferObj* pNew )
@@ -955,12 +955,12 @@ void ScModule::ModifyOptions( const SfxItemSet& rOptSet )
     OSL_ENSURE( pInputCfg, "InputOptions not initialised :-(" );
 
     SfxViewFrame* pViewFrm = SfxViewFrame::Current();
-    SfxBindings* pBindings = pViewFrm ? &pViewFrm->GetBindings() : NULL;
+    SfxBindings* pBindings = pViewFrm ? &pViewFrm->GetBindings() : nullptr;
 
     ScTabViewShell*         pViewSh = dynamic_cast<ScTabViewShell*>( SfxViewShell::Current() );
     ScDocShell*             pDocSh  = dynamic_cast<ScDocShell*>( SfxObjectShell::Current() );
-    ScDocument*             pDoc    = pDocSh ? &pDocSh->GetDocument() : NULL;
-    const SfxPoolItem*      pItem   = NULL;
+    ScDocument*             pDoc    = pDocSh ? &pDocSh->GetDocument() : nullptr;
+    const SfxPoolItem*      pItem   = nullptr;
     bool bRepaint = false;
     bool bUpdateMarks = false;
     bool bUpdateRefDev = false;
@@ -1371,7 +1371,7 @@ ScInputHandler* ScModule::GetInputHdl( ScTabViewShell* pViewSh, bool bUseRef )
     if ( pRefInputHandler && bUseRef )
         return pRefInputHandler;
 
-    ScInputHandler* pHdl = NULL;
+    ScInputHandler* pHdl = nullptr;
     if ( !pViewSh )
     {
         // in case a UIActive embedded object has no ViewShell (UNO component)
@@ -1582,7 +1582,7 @@ static SfxChildWindow* lcl_GetChildWinFromAnyView( sal_uInt16 nId )
     SfxViewFrame* pViewFrm = SfxViewFrame::Current();
 
     // #i46999# current view frame can be null (for example, when closing help)
-    SfxChildWindow* pChildWnd = pViewFrm ? pViewFrm->GetChildWindow( nId ) : NULL;
+    SfxChildWindow* pChildWnd = pViewFrm ? pViewFrm->GetChildWindow( nId ) : nullptr;
     if ( pChildWnd )
         return pChildWnd;           // found in the current view
 
@@ -1599,7 +1599,7 @@ static SfxChildWindow* lcl_GetChildWinFromAnyView( sal_uInt16 nId )
         pViewFrm = SfxViewFrame::GetNext( *pViewFrm );
     }
 
-    return NULL;                    // none found
+    return nullptr;                    // none found
 }
 
 bool ScModule::IsModalMode(SfxObjectShell* pDocSh)
@@ -1940,7 +1940,7 @@ IMPL_LINK_NOARG_TYPED(ScModule, SpellTimerHdl, Idle *, void)
  */
 SfxItemSet*  ScModule::CreateItemSet( sal_uInt16 nId )
 {
-    SfxItemSet*  pRet = 0;
+    SfxItemSet*  pRet = nullptr;
     if(SID_SC_EDITOPTIONS == nId)
     {
         pRet = new SfxItemSet( GetPool(),
@@ -2224,12 +2224,12 @@ bool  ScModule::UnregisterRefWindow( sal_uInt16 nSlotId, vcl::Window *pWnd )
 vcl::Window *  ScModule::Find1RefWindow( sal_uInt16 nSlotId, vcl::Window *pWndAncestor )
 {
     if (!pWndAncestor)
-        return NULL;
+        return nullptr;
 
     auto iSlot = m_mapRefWindow.find( nSlotId );
 
     if( iSlot == m_mapRefWindow.end() )
-        return NULL;
+        return nullptr;
 
     std::list<VclPtr<vcl::Window> > & rlRefWindow = iSlot->second;
 
@@ -2239,7 +2239,7 @@ vcl::Window *  ScModule::Find1RefWindow( sal_uInt16 nSlotId, vcl::Window *pWndAn
         if ( pWndAncestor->IsWindowOrChild( *i, (*i)->IsSystemWindow() ) )
             return *i;
 
-    return NULL;
+    return nullptr;
 }
 
 using namespace com::sun::star;
diff --git a/sc/source/ui/app/seltrans.cxx b/sc/source/ui/app/seltrans.cxx
index 488ae52c644e..ead955f31c2d 100644
--- a/sc/source/ui/app/seltrans.cxx
+++ b/sc/source/ui/app/seltrans.cxx
@@ -69,7 +69,7 @@ static bool lcl_IsURLButton( SdrObject* pObject )
 
 ScSelectionTransferObj* ScSelectionTransferObj::CreateFromView( ScTabView* pView )
 {
-    ScSelectionTransferObj* pRet = NULL;
+    ScSelectionTransferObj* pRet = nullptr;
 
     try
     {
@@ -142,8 +142,8 @@ ScSelectionTransferObj* ScSelectionTransferObj::CreateFromView( ScTabView* pView
 ScSelectionTransferObj::ScSelectionTransferObj( ScTabView* pSource, ScSelectionTransferMode eNewMode ) :
     pView( pSource ),
     eMode( eNewMode ),
-    pCellData( NULL ),
-    pDrawData( NULL )
+    pCellData( nullptr ),
+    pDrawData( nullptr )
 {
     //! store range for StillValid
 }
@@ -157,7 +157,7 @@ ScSelectionTransferObj::~ScSelectionTransferObj()
         //  (CopyToSelection has no effect under Windows)
 
         ForgetView();
-        pScMod->SetSelectionTransfer( NULL );
+        pScMod->SetSelectionTransfer( nullptr );
     }
 
     OSL_ENSURE( !pView, "ScSelectionTransferObj dtor: ForgetView not called" );
@@ -165,18 +165,18 @@ ScSelectionTransferObj::~ScSelectionTransferObj()
 
 void ScSelectionTransferObj::ForgetView()
 {
-    pView = NULL;
+    pView = nullptr;
     eMode = SC_SELTRANS_INVALID;
 
     if (pCellData)
     {
         pCellData->release();
-        pCellData = NULL;
+        pCellData = nullptr;
     }
     if (pDrawData)
     {
         pDrawData->release();
-        pDrawData = NULL;
+        pDrawData = nullptr;
     }
 }
 
@@ -285,7 +285,7 @@ void ScSelectionTransferObj::CreateCellData()
             // (this may be called from pasting into the edit line)
             bool bCopied = rViewData.GetView()->CopyToClip( pClipDoc, false, true, true, false );
 
-            ScDrawLayer::SetGlobalDrawPersist(NULL);
+            ScDrawLayer::SetGlobalDrawPersist(nullptr);
 
             if ( bCopied )
             {
@@ -338,7 +338,7 @@ void ScSelectionTransferObj::CreateDrawData()
 
             ScDrawLayer::SetGlobalDrawPersist(aDragShellRef);
             SdrModel* pModel = pDrawView->GetMarkedObjModel();
-            ScDrawLayer::SetGlobalDrawPersist(NULL);
+            ScDrawLayer::SetGlobalDrawPersist(nullptr);
 
             ScViewData& rViewData = pView->GetViewData();
             ScDocShell* pDocSh = rViewData.GetDocShell();
@@ -421,7 +421,7 @@ void ScSelectionTransferObj::ObjectReleased()
 
     ScModule* pScMod = SC_MOD();
     if ( pScMod->GetSelectionTransfer() == this )
-        pScMod->SetSelectionTransfer( NULL );
+        pScMod->SetSelectionTransfer( nullptr );
 
     TransferableHelper::ObjectReleased();
 }
diff --git a/sc/source/ui/app/transobj.cxx b/sc/source/ui/app/transobj.cxx
index b539596c26ba..85f65e2dc168 100644
--- a/sc/source/ui/app/transobj.cxx
+++ b/sc/source/ui/app/transobj.cxx
@@ -100,7 +100,7 @@ void ScTransferObj::PaintToDev( OutputDevice* pDev, ScDocument* pDoc, double nPr
     Point aPoint;
     Rectangle aBound( aPoint, pDev->GetOutputSize() );      //! use size from clip area?
 
-    ScViewData aViewData(NULL,NULL);
+    ScViewData aViewData(nullptr,nullptr);
     aViewData.InitData( pDoc );
 
     aViewData.SetTabNo( rBlock.aEnd.Tab() );
@@ -181,7 +181,7 @@ ScTransferObj::~ScTransferObj()
     if ( pScMod->GetClipData().pCellClipboard == this )
     {
         OSL_FAIL("ScTransferObj wasn't released");
-        pScMod->SetClipObject( NULL, NULL );
+        pScMod->SetClipObject( nullptr, nullptr );
     }
     if ( pScMod->GetDragData().pCellTransfer == this )
     {
@@ -212,7 +212,7 @@ ScTransferObj* ScTransferObj::GetOwnClipboard( vcl::Window* pUIWin )
         if ( !aDataHelper.HasFormat( SotClipboardFormatId::DIF ) )
         {
 //          OSL_FAIL("ScTransferObj wasn't released");
-            pObj = NULL;
+            pObj = nullptr;
         }
     }
     return pObj;
@@ -482,7 +482,7 @@ void ScTransferObj::ObjectReleased()
 {
     ScModule* pScMod = SC_MOD();
     if ( pScMod->GetClipData().pCellClipboard == this )
-        pScMod->SetClipObject( NULL, NULL );
+        pScMod->SetClipObject( nullptr, nullptr );
 
     TransferableHelper::ObjectReleased();
 }
@@ -506,7 +506,7 @@ void ScTransferObj::DragFinished( sal_Int8 nDropAction )
     if ( pScMod->GetDragData().pCellTransfer == this )
         pScMod->ResetDragObject();
 
-    xDragSourceRanges = NULL;       // don't keep source after dropping
+    xDragSourceRanges = nullptr;       // don't keep source after dropping
 
     TransferableHelper::DragFinished( nDropAction );
 }
@@ -554,7 +554,7 @@ ScDocument* ScTransferObj::GetSourceDocument()
     ScDocShell* pSourceDocSh = GetSourceDocShell();
     if (pSourceDocSh)
         return &pSourceDocSh->GetDocument();
-    return NULL;
+    return nullptr;
 }
 
 ScDocShell* ScTransferObj::GetSourceDocShell()
@@ -563,7 +563,7 @@ ScDocShell* ScTransferObj::GetSourceDocShell()
     if (pRangesObj)
         return pRangesObj->GetDocShell();
 
-    return NULL;    // none set
+    return nullptr;    // none set
 }
 
 ScMarkData ScTransferObj::GetSourceMarkData()
@@ -646,7 +646,7 @@ void ScTransferObj::InitDocShell(bool bLimitToPageSize)
         bool bWasCut = pDoc->IsCutMode();
         if (!bWasCut)
             pDoc->SetClipArea( aDestRange, true );          // Cut
-        rDestDoc.CopyFromClip( aDestRange, aDestMark, InsertDeleteFlags::ALL, NULL, pDoc, false );
+        rDestDoc.CopyFromClip( aDestRange, aDestMark, InsertDeleteFlags::ALL, nullptr, pDoc, false );
         pDoc->SetClipArea( aDestRange, bWasCut );
 
         StripRefs( pDoc, nStartX,nStartY, nEndX,nEndY, &rDestDoc );
@@ -672,7 +672,7 @@ void ScTransferObj::InitDocShell(bool bLimitToPageSize)
             pDestPool->CopyStyleFrom( pStylePool, aStyleName, SFX_STYLE_FAMILY_PAGE );
         }
 
-        ScViewData aViewData( pDocSh, NULL );
+        ScViewData aViewData( pDocSh, nullptr );
         aViewData.SetScreen( nStartX,nStartY, nEndX,nEndY );
         aViewData.SetCurX( nStartX );
         aViewData.SetCurY( nStartY );
@@ -742,7 +742,7 @@ SfxObjectShell* ScTransferObj::SetDrawClipDoc( bool bAnyOle )
     else
     {
         ScGlobal::xDrawClipDocShellRef.Clear();
-        return NULL;
+        return nullptr;
     }
 }
 
diff --git a/sc/source/ui/attrdlg/attrdlg.cxx b/sc/source/ui/attrdlg/attrdlg.cxx
index 6bf0f365ce10..0002c815ecd7 100644
--- a/sc/source/ui/attrdlg/attrdlg.cxx
+++ b/sc/source/ui/attrdlg/attrdlg.cxx
@@ -42,26 +42,26 @@ ScAttrDlg::ScAttrDlg(SfxViewFrame* pFrameP, vcl::Window* pParent, const SfxItemS
     OSL_ENSURE(pFact, "Dialog creation failed!");
 
     OSL_ENSURE(pFact->GetTabPageCreatorFunc( RID_SVXPAGE_NUMBERFORMAT ), "GetTabPageCreatorFunc fail!");
-    m_nNumberPageId = AddTabPage( "numbers", pFact->GetTabPageCreatorFunc( RID_SVXPAGE_NUMBERFORMAT ), 0 );
+    m_nNumberPageId = AddTabPage( "numbers", pFact->GetTabPageCreatorFunc( RID_SVXPAGE_NUMBERFORMAT ), nullptr );
     OSL_ENSURE(pFact->GetTabPageCreatorFunc( RID_SVXPAGE_CHAR_NAME ), "GetTabPageCreatorFunc fail!");
-    m_nFontPageId = AddTabPage( "font", pFact->GetTabPageCreatorFunc( RID_SVXPAGE_CHAR_NAME ), 0 );
+    m_nFontPageId = AddTabPage( "font", pFact->GetTabPageCreatorFunc( RID_SVXPAGE_CHAR_NAME ), nullptr );
     OSL_ENSURE(pFact->GetTabPageCreatorFunc( RID_SVXPAGE_CHAR_EFFECTS ), "GetTabPageCreatorFunc fail!");
-    AddTabPage( "fonteffects", pFact->GetTabPageCreatorFunc( RID_SVXPAGE_CHAR_EFFECTS ), 0 );
+    AddTabPage( "fonteffects", pFact->GetTabPageCreatorFunc( RID_SVXPAGE_CHAR_EFFECTS ), nullptr );
     OSL_ENSURE(pFact->GetTabPageCreatorFunc( RID_SVXPAGE_ALIGNMENT ), "GetTabPageCreatorFunc fail!");
-    AddTabPage( "alignment", pFact->GetTabPageCreatorFunc( RID_SVXPAGE_ALIGNMENT ),    0 );
+    AddTabPage( "alignment", pFact->GetTabPageCreatorFunc( RID_SVXPAGE_ALIGNMENT ),    nullptr );
 
     if ( aCJKOptions.IsAsianTypographyEnabled() )
     {
         OSL_ENSURE(pFact->GetTabPageCreatorFunc(RID_SVXPAGE_PARA_ASIAN), "GetTabPageCreatorFunc fail!");
-        AddTabPage( "asiantypography",   pFact->GetTabPageCreatorFunc(RID_SVXPAGE_PARA_ASIAN),       0 );
+        AddTabPage( "asiantypography",   pFact->GetTabPageCreatorFunc(RID_SVXPAGE_PARA_ASIAN),       nullptr );
     }
     else
         RemoveTabPage( "asiantypography" );
     OSL_ENSURE(pFact->GetTabPageCreatorFunc( RID_SVXPAGE_BORDER ), "GetTabPageCreatorFunc fail!");
-    AddTabPage( "borders",      pFact->GetTabPageCreatorFunc( RID_SVXPAGE_BORDER ),     0 );
+    AddTabPage( "borders",      pFact->GetTabPageCreatorFunc( RID_SVXPAGE_BORDER ),     nullptr );
     OSL_ENSURE(pFact->GetTabPageCreatorFunc( RID_SVXPAGE_BACKGROUND ), "GetTabPageCreatorFunc fail!");
-    AddTabPage( "background",  pFact->GetTabPageCreatorFunc( RID_SVXPAGE_BACKGROUND ), 0 );
-    AddTabPage( "cellprotection" ,  ScTabPageProtection::Create,    0 );
+    AddTabPage( "background",  pFact->GetTabPageCreatorFunc( RID_SVXPAGE_BACKGROUND ), nullptr );
+    AddTabPage( "cellprotection" ,  ScTabPageProtection::Create,    nullptr );
 }
 
 ScAttrDlg::~ScAttrDlg()
@@ -90,7 +90,7 @@ void ScAttrDlg::PageCreated( sal_uInt16 nPageId, SfxTabPage& rTabPage )
 
 IMPL_LINK_NOARG_TYPED(ScAttrDlg, OkHandler, SfxPoolItem*, void)
 {
-    GetOKButton().GetClickHdl().Call( NULL );
+    GetOKButton().GetClickHdl().Call( nullptr );
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/attrdlg/scabstdlg.cxx b/sc/source/ui/attrdlg/scabstdlg.cxx
index cd8d1b7ce54f..a11e45a9034e 100644
--- a/sc/source/ui/attrdlg/scabstdlg.cxx
+++ b/sc/source/ui/attrdlg/scabstdlg.cxx
@@ -38,7 +38,7 @@ extern "C" ScAbstractDialogFactory* ScCreateDialogFactory();
 
 ScAbstractDialogFactory* ScAbstractDialogFactory::Create()
 {
-    ScFuncPtrCreateDialogFactory fp = 0;
+    ScFuncPtrCreateDialogFactory fp = nullptr;
 #if HAVE_FEATURE_DESKTOP
 #ifndef DISABLE_DYNLOADING
     static ::osl::Module aDialogLibrary;
@@ -56,7 +56,7 @@ ScAbstractDialogFactory* ScAbstractDialogFactory::Create()
 #endif
     if ( fp )
         return fp();
-    return 0;
+    return nullptr;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/attrdlg/scdlgfact.cxx b/sc/source/ui/attrdlg/scdlgfact.cxx
index b4881436ded6..3f7e5a0eb8e6 100644
--- a/sc/source/ui/attrdlg/scdlgfact.cxx
+++ b/sc/source/ui/attrdlg/scdlgfact.cxx
@@ -646,7 +646,7 @@ AbstractScCondFormatManagerDlg* ScAbstractDialogFactory_Impl::CreateScCondFormat
     if(pDlg)
         return new AbstractScCondFormatManagerDlg_Impl( pDlg );
 
-    return NULL;
+    return nullptr;
 }
 
 AbstractScDataPilotDatabaseDlg *  ScAbstractDialogFactory_Impl::CreateScDataPilotDatabaseDlg(vcl::Window* pParent)
@@ -678,7 +678,7 @@ AbstractScDataPilotServiceDlg* ScAbstractDialogFactory_Impl::CreateScDataPilotSe
 
     if ( pDlg )
         return new AbstractScDataPilotServiceDlg_Impl( pDlg );
-    return 0;
+    return nullptr;
 }
 
 AbstractScDeleteCellDlg* ScAbstractDialogFactory_Impl::CreateScDeleteCellDlg(vcl::Window* pParent,
@@ -740,7 +740,7 @@ AbstractScInsertCellDlg * ScAbstractDialogFactory_Impl::CreateScInsertCellDlg( v
 
     if ( pDlg )
         return new AbstractScInsertCellDlg_Impl( pDlg );
-    return 0;
+    return nullptr;
 }
 
 AbstractScInsertContentsDlg * ScAbstractDialogFactory_Impl::CreateScInsertContentsDlg( vcl::Window*      pParent,
@@ -838,7 +838,7 @@ AbstractScDPNumGroupDlg * ScAbstractDialogFactory_Impl::CreateScDPNumGroupDlg(
 {
     if( nId == RID_SCDLG_DPNUMGROUP )
         return new AbstractScDPNumGroupDlg_Impl( VclPtr<ScDPNumGroupDlg>::Create( pParent, rInfo ) );
-    return 0;
+    return nullptr;
 }
 
 AbstractScDPDateGroupDlg * ScAbstractDialogFactory_Impl::CreateScDPDateGroupDlg(
@@ -847,7 +847,7 @@ AbstractScDPDateGroupDlg * ScAbstractDialogFactory_Impl::CreateScDPDateGroupDlg(
 {
     if( nId == RID_SCDLG_DPDATEGROUP )
         return new AbstractScDPDateGroupDlg_Impl( VclPtr<ScDPDateGroupDlg>::Create( pParent, rInfo, nDatePart, rNullDate ) );
-    return 0;
+    return nullptr;
 }
 
 AbstractScDPShowDetailDlg * ScAbstractDialogFactory_Impl::CreateScDPShowDetailDlg (
@@ -855,7 +855,7 @@ AbstractScDPShowDetailDlg * ScAbstractDialogFactory_Impl::CreateScDPShowDetailDl
 {
     if( nId == RID_SCDLG_DPSHOWDETAIL )
         return new AbstractScDPShowDetailDlg_Impl( VclPtr<ScDPShowDetailDlg>::Create( pParent, rDPObj, nOrient ) );
-    return 0;
+    return nullptr;
 }
 
 AbstractScNewScenarioDlg * ScAbstractDialogFactory_Impl::CreateScNewScenarioDlg(vcl::Window* pParent, const OUString& rName,
@@ -956,7 +956,7 @@ SfxAbstractTabDialog * ScAbstractDialogFactory_Impl::CreateScHFEditDlg( SfxViewF
             break;
     }
 
-    return pDlg ? new ScAbstractTabDialog_Impl( pDlg ) : NULL;
+    return pDlg ? new ScAbstractTabDialog_Impl( pDlg ) : nullptr;
 }
 
 SfxAbstractTabDialog * ScAbstractDialogFactory_Impl::CreateScStyleDlg( vcl::Window*              pParent,
@@ -977,7 +977,7 @@ SfxAbstractTabDialog * ScAbstractDialogFactory_Impl::CreateScStyleDlg( vcl::Wind
 
     if ( pDlg )
         return new ScAbstractTabDialog_Impl( pDlg );
-    return 0;
+    return nullptr;
 }
 
 SfxAbstractTabDialog * ScAbstractDialogFactory_Impl::CreateScSubTotalDlg(vcl::Window* pParent, const SfxItemSet* pArgSet)
@@ -1042,7 +1042,7 @@ CreateTabPage ScAbstractDialogFactory_Impl::GetTabPageCreatorFunc( sal_uInt16 nI
             break;
     }
 
-    return 0;
+    return nullptr;
 }
 
 GetTabPageRanges ScAbstractDialogFactory_Impl::GetTabPageRangesFunc()
diff --git a/sc/source/ui/attrdlg/scdlgfact.hxx b/sc/source/ui/attrdlg/scdlgfact.hxx
index c4ab71e757e9..5971f6c8ec7f 100644
--- a/sc/source/ui/attrdlg/scdlgfact.hxx
+++ b/sc/source/ui/attrdlg/scdlgfact.hxx
@@ -225,11 +225,11 @@ class AbstractScInsertTableDlg_Impl : public AbstractScInsertTableDlg
     DECL_ABSTDLG_BASE( AbstractScInsertTableDlg_Impl, ScInsertTableDlg)
     virtual bool            GetTablesFromFile() override;
     virtual bool            GetTablesAsLink() override;
-    virtual const OUString* GetFirstTable( sal_uInt16* pN = NULL ) override;
+    virtual const OUString* GetFirstTable( sal_uInt16* pN = nullptr ) override;
     virtual ScDocShell*     GetDocShellTables() override;
     virtual bool            IsTableBefore() override;
     virtual sal_uInt16      GetTableCount() override;
-    virtual const OUString* GetNextTable( sal_uInt16* pN = NULL ) override;
+    virtual const OUString* GetNextTable( sal_uInt16* pN = nullptr ) override;
 
 };
 
@@ -447,7 +447,7 @@ public:
 
     virtual AbstractScInsertContentsDlg * CreateScInsertContentsDlg( vcl::Window*        pParent,
                                                                     InsertDeleteFlags nCheckDefaults = InsertDeleteFlags::NONE,
-                                                                    const OUString* pStrTitle = NULL ) override;
+                                                                    const OUString* pStrTitle = nullptr ) override;
 
     virtual AbstractScInsertTableDlg * CreateScInsertTableDlg(vcl::Window* pParent, ScViewData& rViewData,
         SCTAB nTabCount, bool bFromFile) override;
@@ -523,8 +523,8 @@ public:
 
     virtual AbstractScImportOptionsDlg * CreateScImportOptionsDlg ( vcl::Window*                 pParent,
                                                                     bool                    bAscii = true,
-                                                                    const ScImportOptions*  pOptions = NULL,
-                                                                    const OUString*         pStrTitle = NULL,
+                                                                    const ScImportOptions*  pOptions = nullptr,
+                                                                    const OUString*         pStrTitle = nullptr,
                                                                     bool                    bMultiByte = false,
                                                                     bool                    bOnlyDbtoolsEncodings = false,
                                                                     bool                    bImport = true ) override;
diff --git a/sc/source/ui/attrdlg/scuiexp.cxx b/sc/source/ui/attrdlg/scuiexp.cxx
index 374e8ad74d15..b1e49d5a8cf8 100644
--- a/sc/source/ui/attrdlg/scuiexp.cxx
+++ b/sc/source/ui/attrdlg/scuiexp.cxx
@@ -54,7 +54,7 @@
 
 namespace scui
 {
-    static ScAbstractDialogFactory_Impl* pFactory=NULL;
+    static ScAbstractDialogFactory_Impl* pFactory=nullptr;
     ScAbstractDialogFactory_Impl* GetFactory()
     {
         if ( !pFactory )
diff --git a/sc/source/ui/attrdlg/tabpages.cxx b/sc/source/ui/attrdlg/tabpages.cxx
index ba339e42ab85..cd27c35386fe 100644
--- a/sc/source/ui/attrdlg/tabpages.cxx
+++ b/sc/source/ui/attrdlg/tabpages.cxx
@@ -83,7 +83,7 @@ void ScTabPageProtection::Reset( const SfxItemSet* rCoreAttrs )
     //  Initialize variables
 
     sal_uInt16 nWhich = GetWhich( SID_SCATTR_PROTECTION );
-    const ScProtectionAttr* pProtAttr = NULL;
+    const ScProtectionAttr* pProtAttr = nullptr;
     SfxItemState eItemState = rCoreAttrs->GetItemState( nWhich, false,
                                           reinterpret_cast<const SfxPoolItem**>(&pProtAttr) );
 
@@ -92,7 +92,7 @@ void ScTabPageProtection::Reset( const SfxItemSet* rCoreAttrs )
         pProtAttr = static_cast<const ScProtectionAttr*>(&(rCoreAttrs->Get(nWhich)));
     // At SfxItemState::DONTCARE let to 0
 
-    bTriEnabled = ( pProtAttr == NULL );                // TriState, when DontCare
+    bTriEnabled = ( pProtAttr == nullptr );                // TriState, when DontCare
     bDontCare = bTriEnabled;
     if (bTriEnabled)
     {
diff --git a/sc/source/ui/condformat/colorformat.cxx b/sc/source/ui/condformat/colorformat.cxx
index b3a2e2cc4e86..f6e3cce92ffc 100644
--- a/sc/source/ui/condformat/colorformat.cxx
+++ b/sc/source/ui/condformat/colorformat.cxx
@@ -168,7 +168,7 @@ void ScDataBarSettingsDlg::Init()
     if ( pDocSh )
     {
         const SfxPoolItem*  pItem = pDocSh->GetItem( SID_COLOR_TABLE );
-        if ( pItem != NULL )
+        if ( pItem != nullptr )
             pColorTable = static_cast<const SvxColorListItem*>(pItem)->GetColorList();
     }
     if ( pColorTable.is() )
diff --git a/sc/source/ui/condformat/condformatdlg.cxx b/sc/source/ui/condformat/condformatdlg.cxx
index aa0c6f75c938..9e91618e2c5f 100644
--- a/sc/source/ui/condformat/condformatdlg.cxx
+++ b/sc/source/ui/condformat/condformatdlg.cxx
@@ -40,8 +40,8 @@ ScCondFormatList::ScCondFormatList(vcl::Window* pParent, WinBits nStyle)
     : Control(pParent, nStyle | WB_DIALOGCONTROL)
     , mbHasScrollBar(false)
     , mpScrollBar(VclPtr<ScrollBar>::Create(this, WB_VERT ))
-    , mpDoc(NULL)
-    , mpDialogParent(NULL)
+    , mpDoc(nullptr)
+    , mpDialogParent(nullptr)
 {
     mpScrollBar->SetScrollHdl( LINK( this, ScCondFormatList, ScrollHdl ) );
     mpScrollBar->EnableDrag();
@@ -169,7 +169,7 @@ void ScCondFormatList::Resize()
 ScConditionalFormat* ScCondFormatList::GetConditionalFormat() const
 {
     if(maEntries.empty())
-        return NULL;
+        return nullptr;
 
     ScConditionalFormat* pFormat = new ScConditionalFormat(0, mpDoc);
     for(EntryContainer::const_iterator itr = maEntries.begin(); itr != maEntries.end(); ++itr)
@@ -425,7 +425,7 @@ ScCondFormatDlg::ScCondFormatDlg(SfxBindings* pB, SfxChildWindow* pCW,
     , mbManaged(bManaged)
     , maPos(rPos)
     , mpViewData(pViewData)
-    , mpLastEdit(NULL)
+    , mpLastEdit(nullptr)
 {
     get(mpBtnOk, "ok");
     get(mpBtnAdd, "add");
@@ -560,7 +560,7 @@ ScConditionalFormat* ScCondFormatDlg::GetConditionalFormat() const
 {
     OUString aRangeStr = mpEdRange->GetText();
     if(aRangeStr.isEmpty())
-        return NULL;
+        return nullptr;
 
     ScRangeList aRange;
     sal_uInt16 nFlags = aRange.Parse(aRangeStr, mpViewData->GetDocument(),
@@ -572,7 +572,7 @@ ScConditionalFormat* ScCondFormatDlg::GetConditionalFormat() const
     else
     {
         delete pFormat;
-        pFormat = NULL;
+        pFormat = nullptr;
     }
 
     return pFormat;
@@ -580,7 +580,7 @@ ScConditionalFormat* ScCondFormatDlg::GetConditionalFormat() const
 
 void ScCondFormatDlg::InvalidateRefData()
 {
-    mpLastEdit = NULL;
+    mpLastEdit = nullptr;
 }
 
 // -------------------------------------------------------------
@@ -603,7 +603,7 @@ void ScCondFormatDlg::OkPressed()
             pFormat, maPos.Tab(), pFormat->GetRange());
     else
         mpViewData->GetDocShell()->GetDocFunc().ReplaceConditionalFormat(maKey,
-            NULL, maPos.Tab(), ScRangeList());
+            nullptr, maPos.Tab(), ScRangeList());
 
     if ( mbManaged )
     {
@@ -643,8 +643,8 @@ bool ScCondFormatDlg::ParseXmlString(const OUString&    sXMLString,
     OString sTagName;
     OUString sTagValue;
 
-    xmlNodePtr      pXmlRoot  = NULL;
-    xmlNodePtr      pXmlNode  = NULL;
+    xmlNodePtr      pXmlRoot  = nullptr;
+    xmlNodePtr      pXmlNode  = nullptr;
 
     OString sOString = OUStringToOString( sXMLString, RTL_TEXTENCODING_UTF8 );
     xmlDocPtr pXmlDoc = xmlParseMemory(sOString.getStr(), sOString.getLength());
@@ -655,12 +655,12 @@ bool ScCondFormatDlg::ParseXmlString(const OUString&    sXMLString,
         pXmlRoot = xmlDocGetRootElement( pXmlDoc );
         pXmlNode = pXmlRoot->children;
 
-        while (pXmlNode != NULL && bRetVal)
+        while (pXmlNode != nullptr && bRetVal)
         {
             sTagName  = OUStringToOString("Index", RTL_TEXTENCODING_UTF8);
             if (xmlStrcmp(pXmlNode->name, reinterpret_cast<xmlChar const *>(sTagName.getStr())) == 0)
             {
-                if (pXmlNode->children != NULL && pXmlNode->children->type == XML_TEXT_NODE)
+                if (pXmlNode->children != nullptr && pXmlNode->children->type == XML_TEXT_NODE)
                 {
                     sTagValue = OUString(reinterpret_cast<char*>(pXmlNode->children->content),
                                      strlen(reinterpret_cast<char*>(pXmlNode->children->content)),
@@ -674,7 +674,7 @@ bool ScCondFormatDlg::ParseXmlString(const OUString&    sXMLString,
             sTagName  = OUStringToOString("Type", RTL_TEXTENCODING_UTF8);
             if (xmlStrcmp(pXmlNode->name, reinterpret_cast<xmlChar const *>(sTagName.getStr())) == 0)
             {
-                if (pXmlNode->children != NULL && pXmlNode->children->type == XML_TEXT_NODE)
+                if (pXmlNode->children != nullptr && pXmlNode->children->type == XML_TEXT_NODE)
                 {
                     sTagValue = OUString(reinterpret_cast<char*>(pXmlNode->children->content),
                                      strlen(reinterpret_cast<char*>(pXmlNode->children->content)),
@@ -688,7 +688,7 @@ bool ScCondFormatDlg::ParseXmlString(const OUString&    sXMLString,
             sTagName  = OUStringToOString("Managed", RTL_TEXTENCODING_UTF8);
             if (xmlStrcmp(pXmlNode->name, reinterpret_cast<xmlChar const *>(sTagName.getStr())) == 0)
             {
-                if (pXmlNode->children != NULL && pXmlNode->children->type == XML_TEXT_NODE)
+                if (pXmlNode->children != nullptr && pXmlNode->children->type == XML_TEXT_NODE)
                 {
                     sTagValue = OUString(reinterpret_cast<char*>(pXmlNode->children->content),
                                      strlen(reinterpret_cast<char*>(pXmlNode->children->content)),
@@ -717,18 +717,18 @@ OUString ScCondFormatDlg::GenerateXmlString(sal_uInt32 nIndex, sal_uInt8 nType,
     OString sTagName;
     OString sTagValue;
 
-    xmlNodePtr      pXmlRoot  = NULL;
-    xmlNodePtr      pXmlNode  = NULL;
+    xmlNodePtr      pXmlRoot  = nullptr;
+    xmlNodePtr      pXmlNode  = nullptr;
 
-    xmlChar*        pBuffer   = NULL;
-    const xmlChar*  pTagName  = NULL;
-    const xmlChar*  pTagValue = NULL;
+    xmlChar*        pBuffer   = nullptr;
+    const xmlChar*  pTagName  = nullptr;
+    const xmlChar*  pTagValue = nullptr;
 
     xmlDocPtr pXmlDoc = xmlNewDoc(reinterpret_cast<const xmlChar*>("1.0"));
 
     sTagName = OUStringToOString("ScCondFormatDlg", RTL_TEXTENCODING_UTF8);
     pTagName = reinterpret_cast<const xmlChar*>(sTagName.getStr());
-    pXmlRoot = xmlNewDocNode(pXmlDoc, NULL, pTagName, NULL);
+    pXmlRoot = xmlNewDocNode(pXmlDoc, nullptr, pTagName, nullptr);
 
     xmlDocSetRootElement(pXmlDoc, pXmlRoot);
 
@@ -736,7 +736,7 @@ OUString ScCondFormatDlg::GenerateXmlString(sal_uInt32 nIndex, sal_uInt8 nType,
     sTagValue = OUStringToOString(OUString::number(nIndex), RTL_TEXTENCODING_UTF8);
     pTagName  = reinterpret_cast<const xmlChar*>(sTagName.getStr());
     pTagValue = reinterpret_cast<const xmlChar*>(sTagValue.getStr());
-    pXmlNode  = xmlNewDocNode(pXmlDoc, NULL, pTagName, pTagValue);
+    pXmlNode  = xmlNewDocNode(pXmlDoc, nullptr, pTagName, pTagValue);
 
     xmlAddChild(pXmlRoot, pXmlNode);
 
@@ -744,7 +744,7 @@ OUString ScCondFormatDlg::GenerateXmlString(sal_uInt32 nIndex, sal_uInt8 nType,
     sTagValue = OUStringToOString(OUString::number(nType), RTL_TEXTENCODING_UTF8);
     pTagName  = reinterpret_cast<const xmlChar*>(sTagName.getStr());
     pTagValue = reinterpret_cast<const xmlChar*>(sTagValue.getStr());
-    pXmlNode  = xmlNewDocNode(pXmlDoc, NULL, pTagName, pTagValue);
+    pXmlNode  = xmlNewDocNode(pXmlDoc, nullptr, pTagName, pTagValue);
 
     xmlAddChild(pXmlRoot, pXmlNode);
 
@@ -752,7 +752,7 @@ OUString ScCondFormatDlg::GenerateXmlString(sal_uInt32 nIndex, sal_uInt8 nType,
     sTagValue = OUStringToOString(OUString::boolean(bManaged), RTL_TEXTENCODING_UTF8);
     pTagName  = reinterpret_cast<const xmlChar*>(sTagName.getStr());
     pTagValue = reinterpret_cast<const xmlChar*>(sTagValue.getStr());
-    pXmlNode  = xmlNewDocNode(pXmlDoc, NULL, pTagName, pTagValue);
+    pXmlNode  = xmlNewDocNode(pXmlDoc, nullptr, pTagName, pTagValue);
 
     xmlAddChild(pXmlRoot, pXmlNode);
 
diff --git a/sc/source/ui/condformat/condformatdlgentry.cxx b/sc/source/ui/condformat/condformatdlgentry.cxx
index b6318a2a43eb..059fbb5eb76d 100644
--- a/sc/source/ui/condformat/condformatdlgentry.cxx
+++ b/sc/source/ui/condformat/condformatdlgentry.cxx
@@ -288,7 +288,7 @@ ScFormatEntry* ScConditionFrmtEntry::createConditionEntry() const
         aExpr2 = maEdVal2->GetText();
         if (aExpr2.isEmpty())
         {
-            return NULL;
+            return nullptr;
         }
     }
 
@@ -609,7 +609,7 @@ ScFormatEntry* ScFormulaFrmtEntry::createFormulaEntry() const
     ScConditionMode eMode = SC_COND_DIRECT;
     OUString aFormula = maEdFormula->GetText();
     if(aFormula.isEmpty())
-        return NULL;
+        return nullptr;
 
     OUString aExpr2;
     ScFormatEntry* pEntry = new ScCondFormatEntry(eMode, aFormula, aExpr2, mpDoc, maPos, maLbStyle->GetSelectEntry());
@@ -800,7 +800,7 @@ void ScColorScale2FrmtEntry::Init()
     if ( pDocSh )
     {
         const SfxPoolItem*  pItem = pDocSh->GetItem( SID_COLOR_TABLE );
-        if ( pItem != NULL )
+        if ( pItem != nullptr )
             pColorTable = static_cast<const SvxColorListItem*>(pItem) ->GetColorList();
     }
     if ( pColorTable.is() )
@@ -877,7 +877,7 @@ void ScColorScale2FrmtEntry::SetInactive()
 
 IMPL_LINK_TYPED( ScColorScale2FrmtEntry, EntryTypeHdl, ListBox&, rBox, void )
 {
-    Edit* pEd = NULL;
+    Edit* pEd = nullptr;
     if (&rBox == maLbEntryTypeMin.get())
         pEd = maEdMin;
     else if (&rBox == maLbEntryTypeMax.get())
@@ -980,7 +980,7 @@ void ScColorScale3FrmtEntry::Init()
     if ( pDocSh )
     {
         const SfxPoolItem* pItem = pDocSh->GetItem( SID_COLOR_TABLE );
-        if ( pItem != NULL )
+        if ( pItem != nullptr )
             pColorTable = static_cast<const SvxColorListItem*>(pItem)->GetColorList();
     }
     if ( pColorTable.is() )
@@ -1069,7 +1069,7 @@ void ScColorScale3FrmtEntry::SetInactive()
 
 IMPL_LINK_TYPED( ScColorScale3FrmtEntry, EntryTypeHdl, ListBox&, rBox, void )
 {
-    Edit* pEd = NULL;
+    Edit* pEd = nullptr;
     if(&rBox == maLbEntryTypeMin.get())
         pEd = maEdMin.get();
     else if(&rBox == maLbEntryTypeMiddle.get())
@@ -1402,7 +1402,7 @@ class ScIconSetFrmtDataEntry : public Control
 
     public:
         ScIconSetFrmtDataEntry( vcl::Window* pParent, ScIconSetType eType, ScDocument* pDoc,
-                sal_Int32 i, const ScColorScaleEntry* pEntry = NULL );
+                sal_Int32 i, const ScColorScaleEntry* pEntry = nullptr );
         virtual ~ScIconSetFrmtDataEntry();
         virtual void dispose() override;
 
diff --git a/sc/source/ui/condformat/condformatmgr.cxx b/sc/source/ui/condformat/condformatmgr.cxx
index d581bd895342..e3afe8807db4 100644
--- a/sc/source/ui/condformat/condformatmgr.cxx
+++ b/sc/source/ui/condformat/condformatmgr.cxx
@@ -73,7 +73,7 @@ void ScCondFormatManagerWindow::DeleteSelection()
 {
     if(GetSelectionCount())
     {
-        for(SvTreeListEntry* pEntry = FirstSelected(); pEntry != NULL; pEntry = NextSelected(pEntry))
+        for(SvTreeListEntry* pEntry = FirstSelected(); pEntry != nullptr; pEntry = NextSelected(pEntry))
         {
             sal_Int32 nIndex = maMapLBoxEntryToCondIndex.find(pEntry)->second;
             mpFormatList->erase(nIndex);
@@ -86,7 +86,7 @@ ScConditionalFormat* ScCondFormatManagerWindow::GetSelection()
 {
     SvTreeListEntry* pEntry = FirstSelected();
     if(!pEntry)
-        return NULL;
+        return nullptr;
 
     sal_Int32 nIndex = maMapLBoxEntryToCondIndex.find(pEntry)->second;
     return mpFormatList->GetFormat(nIndex);
@@ -104,7 +104,7 @@ void ScCondFormatManagerWindow::setColSizes()
 
 ScCondFormatManagerDlg::ScCondFormatManagerDlg(vcl::Window* pParent, ScDocument* pDoc, const ScConditionalFormatList* pFormatList, const ScAddress& rPos):
     ModalDialog(pParent, "CondFormatManager", "modules/scalc/ui/condformatmanager.ui"),
-    mpFormatList( pFormatList ? new ScConditionalFormatList(*pFormatList) : NULL),
+    mpFormatList( pFormatList ? new ScConditionalFormatList(*pFormatList) : nullptr),
     mpDoc(pDoc),
     maPos(rPos),
     mbModified(false)
@@ -143,7 +143,7 @@ void ScCondFormatManagerDlg::dispose()
 ScConditionalFormatList* ScCondFormatManagerDlg::GetConditionalFormatList()
 {
     ScConditionalFormatList* pList = mpFormatList;
-    mpFormatList = NULL;
+    mpFormatList = nullptr;
     return pList;
 }
 
diff --git a/sc/source/ui/dbgui/PivotLayoutDialog.cxx b/sc/source/ui/dbgui/PivotLayoutDialog.cxx
index 447354633405..8ae684b5e538 100644
--- a/sc/source/ui/dbgui/PivotLayoutDialog.cxx
+++ b/sc/source/ui/dbgui/PivotLayoutDialog.cxx
@@ -48,11 +48,11 @@ ScRange lclGetRangeForNamedRange(OUString const & aName, ScDocument* pDocument)
 {
     ScRange aInvalidRange(ScAddress::INITIALIZE_INVALID);
     ScRangeName* pRangeName = pDocument->GetRangeName();
-    if (pRangeName == NULL)
+    if (pRangeName == nullptr)
         return aInvalidRange;
 
     const ScRangeData* pData = pRangeName->findByUpperName(aName.toAsciiUpperCase());
-    if (pData == NULL)
+    if (pData == nullptr)
         return aInvalidRange;
 
     ScRange aRange;
@@ -69,12 +69,12 @@ ScPivotLayoutDialog::ScPivotLayoutDialog(
                             ScViewData* pViewData, const ScDPObject* pPivotTableObject, bool bNewPivotTable) :
     ScAnyRefDlg           (pSfxBindings, pChildWindow, pParent, "PivotTableLayout", "modules/scalc/ui/pivottablelayoutdialog.ui"),
     maPivotTableObject    (*pPivotTableObject),
-    mpPreviouslyFocusedListBox(NULL),
-    mpCurrentlyFocusedListBox(NULL),
+    mpPreviouslyFocusedListBox(nullptr),
+    mpCurrentlyFocusedListBox(nullptr),
     mpViewData            (pViewData),
     mpDocument            (pViewData->GetDocument()),
     mbNewPivotTable       (bNewPivotTable),
-    mpActiveEdit          (NULL),
+    mpActiveEdit          (nullptr),
     maAddressDetails      (mpDocument->GetAddressConvention(), 0, 0),
     mbDialogLostFocus     (false)
 {
@@ -161,7 +161,7 @@ ScPivotLayoutDialog::ScPivotLayoutDialog(
 
     // Initialize Options
     const ScDPSaveData* pSaveData = maPivotTableObject.GetSaveData();
-    if (pSaveData == NULL)
+    if (pSaveData == nullptr)
     {
         mpCheckAddFilter->Check(false);
         mpCheckDrillToDetail->Check(false);
@@ -391,7 +391,7 @@ bool ScPivotLayoutDialog::IsRefInputMode() const
 
 void ScPivotLayoutDialog::ItemInserted(ScItemValue* pItemValue, ScPivotLayoutTreeList::SvPivotTreeListType eType)
 {
-    if (pItemValue == NULL)
+    if (pItemValue == nullptr)
         return;
 
     switch (eType)
@@ -507,7 +507,7 @@ bool ScPivotLayoutDialog::ApplyChanges()
     SfxCallMode nCallMode = SfxCallMode::SLOT | SfxCallMode::RECORD;
     const SfxPoolItem* pResult = pDispatcher->Execute(SID_PIVOT_TABLE, nCallMode, &aPivotItem, NULL, 0);
 
-    if (pResult != NULL)
+    if (pResult != nullptr)
     {
         const SfxBoolItem* pItem = reinterpret_cast<const SfxBoolItem*>(pResult);
         if (pItem)
@@ -565,7 +565,7 @@ void ScPivotLayoutDialog::ApplyLabelData(ScDPSaveData& rSaveData)
         OUString aUnoName = ScDPUtil::createDuplicateDimensionName(pLabelData.maName, pLabelData.mnDupCount);
         ScDPSaveDimension* pSaveDimensions = rSaveData.GetExistingDimensionByName(aUnoName);
 
-        if (pSaveDimensions == NULL)
+        if (pSaveDimensions == nullptr)
             continue;
 
         pSaveDimensions->SetUsedHierarchy(pLabelData.mnUsedHier);
@@ -655,7 +655,7 @@ IMPL_LINK_NOARG_TYPED( ScPivotLayoutDialog, CancelClicked, Button*, void )
 
 IMPL_LINK_TYPED(ScPivotLayoutDialog, GetFocusHandler, Control&, rCtrl, void)
 {
-    mpActiveEdit = NULL;
+    mpActiveEdit = nullptr;
 
     if (&rCtrl == static_cast<Control*>(mpSourceEdit)  ||
         &rCtrl == static_cast<Control*>(mpSourceButton))
diff --git a/sc/source/ui/dbgui/PivotLayoutTreeList.cxx b/sc/source/ui/dbgui/PivotLayoutTreeList.cxx
index 3b6dc553cf8f..82e5911dd939 100644
--- a/sc/source/ui/dbgui/PivotLayoutTreeList.cxx
+++ b/sc/source/ui/dbgui/PivotLayoutTreeList.cxx
@@ -77,7 +77,7 @@ void ScPivotLayoutTreeList::FillFields(ScPivotFieldVector& rFieldVector)
     {
         ScPivotField& rField = *it;
         ScItemValue* pItemValue = mpParent->GetItem(rField.nCol);
-        InsertEntry(pItemValue->maName, NULL, false, TREELIST_APPEND, pItemValue);
+        InsertEntry(pItemValue->maName, nullptr, false, TREELIST_APPEND, pItemValue);
     }
 }
 
@@ -92,14 +92,14 @@ void ScPivotLayoutTreeList::InsertEntryForSourceTarget(SvTreeListEntry* pSource,
 
     mpParent->ItemInserted(pOriginalItemValue, meType);
 
-    sal_uLong nPosition = (pTarget == NULL) ? TREELIST_APPEND : GetModel()->GetAbsPos(pTarget) + 1;
+    sal_uLong nPosition = (pTarget == nullptr) ? TREELIST_APPEND : GetModel()->GetAbsPos(pTarget) + 1;
     InsertEntryForItem(pOriginalItemValue, nPosition);
 }
 
 void ScPivotLayoutTreeList::InsertEntryForItem(ScItemValue* pItemValue, sal_uLong nPosition)
 {
     OUString rName = pItemValue->maName;
-    InsertEntry(rName, NULL, false, nPosition, pItemValue);
+    InsertEntry(rName, nullptr, false, nPosition, pItemValue);
 }
 
 void ScPivotLayoutTreeList::KeyInput(const KeyEvent& rKeyEvent)
diff --git a/sc/source/ui/dbgui/PivotLayoutTreeListBase.cxx b/sc/source/ui/dbgui/PivotLayoutTreeListBase.cxx
index 376e28d39ad9..407a3b4a8557 100644
--- a/sc/source/ui/dbgui/PivotLayoutTreeListBase.cxx
+++ b/sc/source/ui/dbgui/PivotLayoutTreeListBase.cxx
@@ -21,7 +21,7 @@ using namespace std;
 ScPivotLayoutTreeListBase::ScPivotLayoutTreeListBase(vcl::Window* pParent, WinBits nBits, SvPivotTreeListType eType)
     : SvTreeListBox(pParent, nBits)
     , meType(eType)
-    , mpParent(NULL)
+    , mpParent(nullptr)
 {
     SetHighlightRange();
     SetDragDropMode(DragDropMode::CTRL_MOVE | DragDropMode::APP_MOVE  | DragDropMode::APP_DROP);
@@ -78,7 +78,7 @@ TriState ScPivotLayoutTreeListBase::NotifyCopying(SvTreeListEntry* /*pTarget*/,
 bool ScPivotLayoutTreeListBase::HasEntry(SvTreeListEntry* pEntry)
 {
     SvTreeListEntry* pEachEntry;
-    for (pEachEntry = First(); pEachEntry != NULL; pEachEntry = Next(pEachEntry))
+    for (pEachEntry = First(); pEachEntry != nullptr; pEachEntry = Next(pEachEntry))
     {
         if(pEachEntry == pEntry)
             return true;
@@ -89,7 +89,7 @@ bool ScPivotLayoutTreeListBase::HasEntry(SvTreeListEntry* pEntry)
 void ScPivotLayoutTreeListBase::PushEntriesToPivotFieldVector(ScPivotFieldVector& rVector)
 {
     SvTreeListEntry* pEachEntry;
-    for (pEachEntry = First(); pEachEntry != NULL; pEachEntry = Next(pEachEntry))
+    for (pEachEntry = First(); pEachEntry != nullptr; pEachEntry = Next(pEachEntry))
     {
         ScItemValue* pItemValue = static_cast<ScItemValue*>(pEachEntry->GetUserData());
         ScPivotFuncData& rFunctionData = pItemValue->maFunctionData;
@@ -113,7 +113,7 @@ void ScPivotLayoutTreeListBase::InsertEntryForItem(ScItemValue* /*pItemValue*/,
 void ScPivotLayoutTreeListBase::RemoveEntryForItem(ScItemValue* pItemValue)
 {
     SvTreeListEntry* pEachEntry;
-    for (pEachEntry = First(); pEachEntry != NULL; pEachEntry = Next(pEachEntry))
+    for (pEachEntry = First(); pEachEntry != nullptr; pEachEntry = Next(pEachEntry))
     {
         ScItemValue* pEachItemValue = static_cast<ScItemValue*>(pEachEntry->GetUserData());
         if (pEachItemValue == pItemValue)
@@ -132,7 +132,7 @@ void ScPivotLayoutTreeListBase::GetFocus()
     {
         SvTreeListEntry* pEntry = mpParent->mpPreviouslyFocusedListBox->GetCurEntry();
         if (pEntry)
-            InsertEntryForSourceTarget(pEntry, NULL);
+            InsertEntryForSourceTarget(pEntry, nullptr);
 
         if (mpParent->mpPreviouslyFocusedListBox != nullptr)
             mpParent->mpPreviouslyFocusedListBox->GrabFocus();
diff --git a/sc/source/ui/dbgui/PivotLayoutTreeListData.cxx b/sc/source/ui/dbgui/PivotLayoutTreeListData.cxx
index 5f9a2fb720c9..7623ed36eb65 100644
--- a/sc/source/ui/dbgui/PivotLayoutTreeListData.cxx
+++ b/sc/source/ui/dbgui/PivotLayoutTreeListData.cxx
@@ -138,14 +138,14 @@ void ScPivotLayoutTreeListData::FillDataField(ScPivotFieldVector& rDataFields)
                                                        pItemValue->maFunctionData.mnDupCount);
 
         maDataItemValues.push_back(pItemValue);
-        InsertEntry(sDataItemName, NULL, false, TREELIST_APPEND, pItemValue);
+        InsertEntry(sDataItemName, nullptr, false, TREELIST_APPEND, pItemValue);
     }
 }
 
 void ScPivotLayoutTreeListData::PushDataFieldNames(vector<ScDPName>& rDataFieldNames)
 {
     SvTreeListEntry* pLoopEntry;
-    for (pLoopEntry = First(); pLoopEntry != NULL; pLoopEntry = Next(pLoopEntry))
+    for (pLoopEntry = First(); pLoopEntry != nullptr; pLoopEntry = Next(pLoopEntry))
     {
         ScItemValue* pEachItemValue = static_cast<ScItemValue*>(pLoopEntry->GetUserData());
         SCCOL nColumn = pEachItemValue->maFunctionData.mnCol;
@@ -179,12 +179,12 @@ void ScPivotLayoutTreeListData::InsertEntryForSourceTarget(SvTreeListEntry* pSou
     {
         OUString rText = GetEntryText(pSource);
         GetModel()->Remove(pSource);
-        sal_uLong nPosition = (pTarget == NULL) ? TREELIST_APPEND : GetModel()->GetAbsPos(pTarget) + 1;
-        InsertEntry(rText, NULL, false, nPosition, pItemValue);
+        sal_uLong nPosition = (pTarget == nullptr) ? TREELIST_APPEND : GetModel()->GetAbsPos(pTarget) + 1;
+        InsertEntry(rText, nullptr, false, nPosition, pItemValue);
     }
     else
     {
-        sal_uLong nPosition = (pTarget == NULL) ? TREELIST_APPEND : GetModel()->GetAbsPos(pTarget) + 1;
+        sal_uLong nPosition = (pTarget == nullptr) ? TREELIST_APPEND : GetModel()->GetAbsPos(pTarget) + 1;
         InsertEntryForItem(pItemValue->mpOriginalItemValue, nPosition);
     }
 }
@@ -210,7 +210,7 @@ void ScPivotLayoutTreeListData::InsertEntryForItem(ScItemValue* pItemValue, sal_
                             pDataItemValue->maName,
                             rFunctionData.mnDupCount);
 
-    InsertEntry(sDataName, NULL, false, nPosition, pDataItemValue);
+    InsertEntry(sDataName, nullptr, false, nPosition, pDataItemValue);
 }
 
 void ScPivotLayoutTreeListData::AdjustDuplicateCount(ScItemValue* pInputItemValue)
@@ -223,7 +223,7 @@ void ScPivotLayoutTreeListData::AdjustDuplicateCount(ScItemValue* pInputItemValu
     sal_uInt8 nMaxDuplicateCount = 0;
 
     SvTreeListEntry* pEachEntry;
-    for (pEachEntry = First(); pEachEntry != NULL; pEachEntry = Next(pEachEntry))
+    for (pEachEntry = First(); pEachEntry != nullptr; pEachEntry = Next(pEachEntry))
     {
         ScItemValue* pItemValue = static_cast<ScItemValue*>(pEachEntry->GetUserData());
         if (pItemValue == pInputItemValue)
diff --git a/sc/source/ui/dbgui/asciiopt.cxx b/sc/source/ui/dbgui/asciiopt.cxx
index 3bbfd6d4b1a3..fe3bfb40a098 100644
--- a/sc/source/ui/dbgui/asciiopt.cxx
+++ b/sc/source/ui/dbgui/asciiopt.cxx
@@ -38,8 +38,8 @@ ScAsciiOptions::ScAsciiOptions() :
     bCharSetSystem  ( false ),
     nStartRow       ( 1 ),
     nInfoCount      ( 0 ),
-    pColStart       ( NULL ),
-    pColFormat      ( NULL )
+    pColStart       ( nullptr ),
+    pColFormat      ( nullptr )
 {
 }
 
@@ -68,8 +68,8 @@ ScAsciiOptions::ScAsciiOptions(const ScAsciiOptions& rOpt) :
     }
     else
     {
-        pColStart = NULL;
-        pColFormat = NULL;
+        pColStart = nullptr;
+        pColFormat = nullptr;
     }
 }
 
@@ -98,17 +98,17 @@ void ScAsciiOptions::SetColInfo( sal_uInt16 nCount, const sal_Int32* pStart, con
     }
     else
     {
-        pColStart = NULL;
-        pColFormat = NULL;
+        pColStart = nullptr;
+        pColFormat = nullptr;
     }
 }
 
 void ScAsciiOptions::SetColumnInfo( const ScCsvExpDataVec& rDataVec )
 {
     delete[] pColStart;
-    pColStart = NULL;
+    pColStart = nullptr;
     delete[] pColFormat;
-    pColFormat = NULL;
+    pColFormat = nullptr;
 
     nInfoCount = static_cast< sal_uInt16 >( rDataVec.size() );
     if( nInfoCount )
@@ -246,8 +246,8 @@ void ScAsciiOptions::ReadFromString( const OUString& rString )
         }
         else
         {
-            pColStart = NULL;
-            pColFormat = NULL;
+            pColStart = nullptr;
+            pColFormat = nullptr;
         }
     }
 
diff --git a/sc/source/ui/dbgui/consdlg.cxx b/sc/source/ui/dbgui/consdlg.cxx
index 0d8f58910ae3..cbcd7ba355d6 100644
--- a/sc/source/ui/dbgui/consdlg.cxx
+++ b/sc/source/ui/dbgui/consdlg.cxx
@@ -72,7 +72,7 @@ ScConsolidateDlg::ScConsolidateDlg( SfxBindings* pB, SfxChildWindow* pCW, vcl::W
         pDoc            ( static_cast<ScTabViewShell*>(SfxViewShell::Current())->
                                 GetViewData().GetDocument() ),
         pRangeUtil      ( new ScRangeUtil ),
-        pAreaData       ( NULL ),
+        pAreaData       ( nullptr ),
         nAreaDataCount  ( 0 ),
         nWhichCons      ( rArgSet.GetPool()->GetWhich( SID_CONSOLIDATE ) ),
         bDlgLostFocus   ( false )
@@ -207,7 +207,7 @@ void ScConsolidateDlg::Init()
     size_t nDbCount = pDbNames ? pDbNames->getNamedDBs().size() : 0;
 
     nAreaDataCount = nRangeCount+nDbCount;
-    pAreaData      = NULL;
+    pAreaData      = nullptr;
 
     if ( nAreaDataCount > 0 )
     {
@@ -326,7 +326,7 @@ bool ScConsolidateDlg::VerifyEdit( formula::RefEdit* pEd )
     if ( pEd == pEdDataArea )
     {
         bEditOk = ScRangeUtil::IsAbsArea( pEd->GetText(), pDoc,
-                                         nTab, &theCompleteStr, NULL, NULL, eConv );
+                                         nTab, &theCompleteStr, nullptr, nullptr, eConv );
     }
     else if ( pEd == pEdDestArea )
     {
@@ -334,7 +334,7 @@ bool ScConsolidateDlg::VerifyEdit( formula::RefEdit* pEd )
 
         ScRangeUtil::CutPosString( pEd->GetText(), aPosStr );
         bEditOk = ScRangeUtil::IsAbsPos( aPosStr, pDoc,
-                                        nTab, &theCompleteStr, NULL, eConv );
+                                        nTab, &theCompleteStr, nullptr, eConv );
     }
 
     if ( bEditOk )
@@ -373,7 +373,7 @@ IMPL_LINK_NOARG_TYPED(ScConsolidateDlg, OkHdl, Button*, void)
         OUString    aDestPosStr( pEdDestArea->GetText() );
         const formula::FormulaGrammar::AddressConvention eConv = pDoc->GetAddressConvention();
 
-        if ( ScRangeUtil::IsAbsPos( aDestPosStr, pDoc, nTab, NULL, &aDestAddress, eConv ) )
+        if ( ScRangeUtil::IsAbsPos( aDestPosStr, pDoc, nTab, nullptr, &aDestAddress, eConv ) )
         {
             ScConsolidateParam  theOutParam( theConsData );
             ScArea**            ppDataAreas = new ScArea*[nDataAreaCount];
@@ -428,7 +428,7 @@ IMPL_LINK_TYPED( ScConsolidateDlg, ClickHdl, Button*, pBtn, void )
         if ( !pEdDataArea->GetText().isEmpty() )
         {
             OUString    aNewEntry( pEdDataArea->GetText() );
-            ScArea**    ppAreas = NULL;
+            ScArea**    ppAreas = nullptr;
             sal_uInt16      nAreaCount = 0;
             const formula::FormulaGrammar::AddressConvention eConv = pDoc->GetAddressConvention();
 
@@ -500,7 +500,7 @@ IMPL_LINK_TYPED( ScConsolidateDlg, SelectHdl, ListBox&, rLb, void )
         if (    pRangeUtil
             && (nSelPos > 0)
             && (nAreaDataCount > 0)
-            && (pAreaData != NULL) )
+            && (pAreaData != nullptr) )
         {
             if ( static_cast<size_t>(nSelPos) <= nAreaDataCount )
             {
diff --git a/sc/source/ui/dbgui/csvcontrol.cxx b/sc/source/ui/dbgui/csvcontrol.cxx
index aafe6abaccfc..2fb10309f0d5 100644
--- a/sc/source/ui/dbgui/csvcontrol.cxx
+++ b/sc/source/ui/dbgui/csvcontrol.cxx
@@ -59,7 +59,7 @@ ScCsvDiff ScCsvLayoutData::GetDiff( const ScCsvLayoutData& rData ) const
 ScCsvControl::ScCsvControl( ScCsvControl& rParent ) :
     Control( &rParent, WB_TABSTOP | WB_NODIALOGCONTROL ),
     mrData( rParent.GetLayoutData() ),
-    mxAccessible( NULL ),
+    mxAccessible( nullptr ),
     mbValidGfx( false )
 {
 }
@@ -67,7 +67,7 @@ ScCsvControl::ScCsvControl( ScCsvControl& rParent ) :
 ScCsvControl::ScCsvControl( vcl::Window* pParent, const ScCsvLayoutData& rData, WinBits nBits ) :
     Control( pParent, nBits ),
     mrData( rData ),
-    mxAccessible( NULL ),
+    mxAccessible( nullptr ),
     mbValidGfx( false )
 {
 }
diff --git a/sc/source/ui/dbgui/csvgrid.cxx b/sc/source/ui/dbgui/csvgrid.cxx
index 4ffc12fb2b39..ce7c978e5694 100644
--- a/sc/source/ui/dbgui/csvgrid.cxx
+++ b/sc/source/ui/dbgui/csvgrid.cxx
@@ -64,7 +64,7 @@ ScCsvGrid::ScCsvGrid( ScCsvControl& rParent ) :
     ScCsvControl( rParent ),
     mpBackgrDev( VclPtr<VirtualDevice>::Create() ),
     mpGridDev( VclPtr<VirtualDevice>::Create() ),
-    mpColorConfig( 0 ),
+    mpColorConfig( nullptr ),
     mpEditEngine( new ScEditEngineDefaulter( EditEngine::CreatePool(), true ) ),
     maHeaderFont( GetFont() ),
     maColStates( 1 ),
diff --git a/sc/source/ui/dbgui/dapidata.cxx b/sc/source/ui/dbgui/dapidata.cxx
index 60b4b5cdfb1c..84237ad8efc8 100644
--- a/sc/source/ui/dbgui/dapidata.cxx
+++ b/sc/source/ui/dbgui/dapidata.cxx
@@ -144,7 +144,7 @@ void ScDataPilotDatabaseDlg::FillObjects()
         if ( !xSource.is() ) return;
 
         uno::Reference<task::XInteractionHandler> xHandler(
-            task::InteractionHandler::createWithParent(comphelper::getProcessComponentContext(), 0),
+            task::InteractionHandler::createWithParent(comphelper::getProcessComponentContext(), nullptr),
             uno::UNO_QUERY_THROW);
 
         uno::Reference<sdbc::XConnection> xConnection = xSource->connectWithCompletion( xHandler );
diff --git a/sc/source/ui/dbgui/dbnamdlg.cxx b/sc/source/ui/dbgui/dbnamdlg.cxx
index d80ed97a40a7..422e7abbbad8 100644
--- a/sc/source/ui/dbgui/dbnamdlg.cxx
+++ b/sc/source/ui/dbgui/dbnamdlg.cxx
@@ -41,7 +41,7 @@
 
 class DBSaveData;
 
-static DBSaveData* pSaveObj = NULL;
+static DBSaveData* pSaveObj = nullptr;
 
 #define ERRORBOX(s) ScopedVclPtrInstance<MessageDialog>::Create(this, s)->Execute()
 
@@ -217,7 +217,7 @@ void ScDbNameDlg::Init()
         SCTAB   nEndTab     = 0;
 
         ScDBCollection* pDBColl = pDoc->GetDBCollection();
-        ScDBData*       pDBData = NULL;
+        ScDBData*       pDBData = nullptr;
 
         pViewData->GetSimpleArea( nStartCol, nStartRow, nStartTab,
                                   nEndCol,   nEndRow,  nEndTab );
@@ -396,7 +396,7 @@ bool ScDbNameDlg::IsRefInputMode() const
 
 IMPL_LINK_NOARG_TYPED(ScDbNameDlg, OkBtnHdl, Button*, void)
 {
-    AddBtnHdl( 0 );
+    AddBtnHdl( nullptr );
 
     // Der View die Aenderungen und die Remove-Liste uebergeben:
     // beide werden nur als Referenz uebergeben, so dass an dieser
@@ -477,7 +477,7 @@ IMPL_LINK_NOARG_TYPED(ScDbNameDlg, AddBtnHdl, Button*, void)
                 m_pBtnDoSize->Check( false );
                 m_pBtnKeepFmt->Check( false );
                 m_pBtnStripData->Check( false );
-                SetInfoStrings( NULL );     // leer
+                SetInfoStrings( nullptr );     // leer
                 theCurArea = ScRange();
                 bSaved = true;
                 pSaveObj->Save();
@@ -557,7 +557,7 @@ IMPL_LINK_NOARG_TYPED(ScDbNameDlg, RemoveBtnHdl, Button*, void)
             m_pBtnDoSize->Check( false );
             m_pBtnKeepFmt->Check( false );
             m_pBtnStripData->Check( false );
-            SetInfoStrings( NULL );     // leer
+            SetInfoStrings( nullptr );     // leer
             bSaved=false;
             pSaveObj->Restore();
             NameModifyHdl( *m_pEdName );
diff --git a/sc/source/ui/dbgui/filtdlg.cxx b/sc/source/ui/dbgui/filtdlg.cxx
index a43f66c08b1d..50ee6290df1a 100644
--- a/sc/source/ui/dbgui/filtdlg.cxx
+++ b/sc/source/ui/dbgui/filtdlg.cxx
@@ -58,15 +58,15 @@ ScFilterDlg::ScFilterDlg(SfxBindings* pB, SfxChildWindow* pCW, vcl::Window* pPar
     , aStrEmpty(SC_RESSTR(SCSTR_FILTER_EMPTY))
     , aStrNotEmpty(SC_RESSTR(SCSTR_FILTER_NOTEMPTY))
     , aStrColumn(SC_RESSTR(SCSTR_COLUMN))
-    , pOptionsMgr(NULL)
+    , pOptionsMgr(nullptr)
     , nWhichQuery(rArgSet.GetPool()->GetWhich(SID_QUERY))
     , theQueryData(static_cast<const ScQueryItem&>(rArgSet.Get(nWhichQuery)).GetQueryData())
-    , pOutItem(NULL)
-    , pViewData(NULL)
-    , pDoc(NULL)
+    , pOutItem(nullptr)
+    , pViewData(nullptr)
+    , pDoc(nullptr)
     , nSrcTab(0)
     , bRefInputMode(false)
-    , pTimer(NULL)
+    , pTimer(nullptr)
 {
     get(pLbConnect1,"connect1");
     get(pLbField1,"field1");
@@ -231,7 +231,7 @@ void ScFilterDlg::Init( const SfxItemSet& rArgSet )
     pLbCond4->SetSelectHdl( LINK( this, ScFilterDlg, LbSelectHdl ) );
 
     pViewData   = rQueryItem.GetViewData();
-    pDoc        = pViewData ? pViewData->GetDocument() : NULL;
+    pDoc        = pViewData ? pViewData->GetDocument() : nullptr;
     nSrcTab     = pViewData ? pViewData->GetTabNo() : static_cast<SCTAB>(0);
 
     // for easier access:
@@ -416,8 +416,8 @@ void ScFilterDlg::Init( const SfxItemSet& rArgSet )
         pEdVal4->Disable();
     }
 
-    if(pDoc!=NULL &&
-        pDoc->GetChangeTrack()!=NULL) pBtnCopyResult->Disable();
+    if(pDoc!=nullptr &&
+        pDoc->GetChangeTrack()!=nullptr) pBtnCopyResult->Disable();
     // Switch on modal mode
 //  SetDispatcherLock( true );
     //@BugID 54702 Enable/disable only in Basic class
@@ -516,7 +516,7 @@ void ScFilterDlg::UpdateValueList( size_t nList )
             WaitObject aWaiter( this );     // even if only the list box has content
 
             SCCOL nColumn = theQueryData.nCol1 + static_cast<SCCOL>(nFieldSelPos) - 1;
-            EntryList* pList = NULL;
+            EntryList* pList = nullptr;
             if (!maEntryLists.count(nColumn))
             {
                 size_t nOffset = GetSliderPos();
diff --git a/sc/source/ui/dbgui/foptmgr.cxx b/sc/source/ui/dbgui/foptmgr.cxx
index 8d3b82a0aa48..e5ae0ec42c9a 100644
--- a/sc/source/ui/dbgui/foptmgr.cxx
+++ b/sc/source/ui/dbgui/foptmgr.cxx
@@ -48,7 +48,7 @@ ScFilterOptionsMgr::ScFilterOptionsMgr(
                                 const OUString&     refStrUndefined )
 
     :   pViewData       ( ptrViewData ),
-        pDoc            ( ptrViewData ? ptrViewData->GetDocument() : NULL ),
+        pDoc            ( ptrViewData ? ptrViewData->GetDocument() : nullptr ),
         pBtnCase        ( refBtnCase ),
         pBtnRegExp      ( refBtnRegExp ),
         pBtnHeader      ( refBtnHeader ),
diff --git a/sc/source/ui/dbgui/pfiltdlg.cxx b/sc/source/ui/dbgui/pfiltdlg.cxx
index ba3e1ccbb392..c7c8b758c9ca 100644
--- a/sc/source/ui/dbgui/pfiltdlg.cxx
+++ b/sc/source/ui/dbgui/pfiltdlg.cxx
@@ -53,9 +53,9 @@ ScPivotFilterDlg::ScPivotFilterDlg(vcl::Window* pParent, const SfxItemSet& rArgS
         nWhichQuery     ( rArgSet.GetPool()->GetWhich( SID_QUERY ) ),
         theQueryData    ( static_cast<const ScQueryItem&>(
                            rArgSet.Get( nWhichQuery )).GetQueryData() ),
-        pOutItem        ( NULL ),
-        pViewData       ( NULL ),
-        pDoc            ( NULL ),
+        pOutItem        ( nullptr ),
+        pViewData       ( nullptr ),
+        pDoc            ( nullptr ),
         nSrcTab         ( nSourceTab ),     // is not in QueryParam
         nFieldCount     ( 0 )
 {
@@ -76,7 +76,7 @@ ScPivotFilterDlg::ScPivotFilterDlg(vcl::Window* pParent, const SfxItemSet& rArgS
     get(m_pFtDbArea, "dbarea");
 
     for (sal_uInt16 i=0; i<=MAXCOL; i++)
-        pEntryLists[i] = NULL;
+        pEntryLists[i] = nullptr;
 
     Init( rArgSet );
 }
@@ -131,7 +131,7 @@ void ScPivotFilterDlg::Init( const SfxItemSet& rArgSet )
     m_pBtnUnique->Check( !theQueryData.bDuplicate );
 
     pViewData   = rQueryItem.GetViewData();
-    pDoc        = pViewData ? pViewData->GetDocument() : NULL;
+    pDoc        = pViewData ? pViewData->GetDocument() : nullptr;
 
     // for easier access:
     aFieldLbArr  [0] = m_pLbField1;
diff --git a/sc/source/ui/dbgui/pvfundlg.cxx b/sc/source/ui/dbgui/pvfundlg.cxx
index e1c7fe32e192..0bcca91ff5ef 100644
--- a/sc/source/ui/dbgui/pvfundlg.cxx
+++ b/sc/source/ui/dbgui/pvfundlg.cxx
@@ -499,7 +499,7 @@ void ScDPSubtotalDlg::Init( const ScDPLabelData& rLabelData, const ScPivotFuncDa
     mpRbAuto->SetClickHdl( LINK( this, ScDPSubtotalDlg, RadioClickHdl ) );
     mpRbUser->SetClickHdl( LINK( this, ScDPSubtotalDlg, RadioClickHdl ) );
 
-    RadioButton* pRBtn = 0;
+    RadioButton* pRBtn = nullptr;
     switch( rFuncData.mnFuncMask )
     {
         case PIVOT_FUNC_NONE:   pRBtn = mpRbNone;  break;
@@ -692,7 +692,7 @@ void ScDPSubtotalOptDlg::Init( const ScDPNameVec& rDataFields, bool bEnableLayou
     m_pRbSortDesc->SetClickHdl( LINK( this, ScDPSubtotalOptDlg, RadioClickHdl ) );
     m_pRbSortMan->SetClickHdl( LINK( this, ScDPSubtotalOptDlg, RadioClickHdl ) );
 
-    RadioButton* pRBtn = 0;
+    RadioButton* pRBtn = nullptr;
     switch( nSortMode )
     {
         case DataPilotFieldSortMode::NONE:
@@ -835,7 +835,7 @@ ScDPShowDetailDlg::ScDPShowDetailDlg( vcl::Window* pParent, ScDPObject& rDPObj,
         OUString aName = rDPObj.GetDimName( nDim, bIsDataLayout, &nDimFlags );
         if ( !bIsDataLayout && !rDPObj.IsDuplicated( nDim ) && ScDPObject::IsOrientationAllowed( nOrient, nDimFlags ) )
         {
-            const ScDPSaveDimension* pDimension = pSaveData ? pSaveData->GetExistingDimensionByName(aName) : 0;
+            const ScDPSaveDimension* pDimension = pSaveData ? pSaveData->GetExistingDimensionByName(aName) : nullptr;
             if ( !pDimension || (pDimension->GetOrientation() != nOrient) )
             {
                 if (pDimension)
diff --git a/sc/source/ui/dbgui/scuiasciiopt.cxx b/sc/source/ui/dbgui/scuiasciiopt.cxx
index 295edd1eddea..736c7747c41b 100644
--- a/sc/source/ui/dbgui/scuiasciiopt.cxx
+++ b/sc/source/ui/dbgui/scuiasciiopt.cxx
@@ -244,7 +244,7 @@ ScImportAsciiDlg::ScImportAsciiDlg( vcl::Window* pParent, const OUString& aDatNa
         mpDatStream  ( pInStream ),
         mnStreamPos( pInStream ? pInStream->Tell() : 0 ),
 
-        mpRowPosArray( NULL ),
+        mpRowPosArray( nullptr ),
         mnRowPosCount(0),
 
         aCharSetUser( ScResId( SCSTR_CHARSET_USER ) ),
diff --git a/sc/source/ui/dbgui/sfiltdlg.cxx b/sc/source/ui/dbgui/sfiltdlg.cxx
index 45909ce90ecd..a631c537b92b 100644
--- a/sc/source/ui/dbgui/sfiltdlg.cxx
+++ b/sc/source/ui/dbgui/sfiltdlg.cxx
@@ -49,16 +49,16 @@ ScSpecialFilterDlg::ScSpecialFilterDlg( SfxBindings* pB, SfxChildWindow* pCW, vc
     :   ScAnyRefDlg ( pB, pCW, pParent, "AdvancedFilterDialog", "modules/scalc/ui/advancedfilterdialog.ui" ),
 
         aStrUndefined   ( SC_RESSTR(SCSTR_UNDEFINED) ),
-        pOptionsMgr     ( NULL ),
+        pOptionsMgr     ( nullptr ),
         nWhichQuery     ( rArgSet.GetPool()->GetWhich( SID_QUERY ) ),
         theQueryData    ( static_cast<const ScQueryItem&>(
                            rArgSet.Get( nWhichQuery )).GetQueryData() ),
-        pOutItem        ( NULL ),
-        pViewData       ( NULL ),
-        pDoc            ( NULL ),
-        pRefInputEdit   ( NULL ),
+        pOutItem        ( nullptr ),
+        pViewData       ( nullptr ),
+        pDoc            ( nullptr ),
+        pRefInputEdit   ( nullptr ),
         bRefInputMode   ( false ),
-        pIdle          ( NULL )
+        pIdle          ( nullptr )
 {
         get(pLbFilterArea,"lbfilterarea");
         get(pEdFilterArea,"edfilterarea");
@@ -148,13 +148,13 @@ void ScSpecialFilterDlg::Init( const SfxItemSet& rArgSet )
     pEdFilterArea->SetModifyHdl  ( LINK( this, ScSpecialFilterDlg, FilterAreaModHdl ) );
 
     pViewData   = rQueryItem.GetViewData();
-    pDoc        = pViewData ? pViewData->GetDocument()  : NULL;
+    pDoc        = pViewData ? pViewData->GetDocument()  : nullptr;
 
     pEdFilterArea->SetText( EMPTY_OUSTRING );      // may be overwritten below
 
     if ( pViewData && pDoc )
     {
-        if(pDoc->GetChangeTrack()!=NULL) pBtnCopyResult->Disable();
+        if(pDoc->GetChangeTrack()!=nullptr) pBtnCopyResult->Disable();
 
         ScRangeName* pRangeNames = pDoc->GetRangeName();
         pLbFilterArea->Clear();
@@ -416,7 +416,7 @@ IMPL_LINK_TYPED( ScSpecialFilterDlg, TimeOutHdl, Idle*, _pIdle, void )
         }
         else if( bRefInputMode )
         {
-            pRefInputEdit = NULL;
+            pRefInputEdit = nullptr;
             bRefInputMode = false;
         }
     }
diff --git a/sc/source/ui/dbgui/sortdlg.cxx b/sc/source/ui/dbgui/sortdlg.cxx
index a5a6d567698f..86ff8096d09c 100644
--- a/sc/source/ui/dbgui/sortdlg.cxx
+++ b/sc/source/ui/dbgui/sortdlg.cxx
@@ -29,8 +29,8 @@ ScSortDlg::ScSortDlg(vcl::Window* pParent, const SfxItemSet* pArgSet)
     , bIsHeaders(false)
     , bIsByRows(false)
 {
-    AddTabPage("criteria", ScTabPageSortFields::Create, 0);
-    AddTabPage("options", ScTabPageSortOptions::Create, 0);
+    AddTabPage("criteria", ScTabPageSortFields::Create, nullptr);
+    AddTabPage("options", ScTabPageSortOptions::Create, nullptr);
 }
 
 ScSortWarningDlg::ScSortWarningDlg(vcl::Window* pParent,
diff --git a/sc/source/ui/dbgui/subtdlg.cxx b/sc/source/ui/dbgui/subtdlg.cxx
index 42593d0e31ac..ffa0238f692a 100644
--- a/sc/source/ui/dbgui/subtdlg.cxx
+++ b/sc/source/ui/dbgui/subtdlg.cxx
@@ -29,10 +29,10 @@ ScSubTotalDlg::ScSubTotalDlg(vcl::Window* pParent, const SfxItemSet* pArgSet)
 {
     get(m_pBtnRemove, "remove");
 
-    AddTabPage("1stgroup",  ScTpSubTotalGroup1::Create, 0);
-    AddTabPage("2ndgroup",  ScTpSubTotalGroup2::Create, 0);
-    AddTabPage("3rdgroup",  ScTpSubTotalGroup3::Create, 0);
-    AddTabPage("options", ScTpSubTotalOptions::Create, 0);
+    AddTabPage("1stgroup",  ScTpSubTotalGroup1::Create, nullptr);
+    AddTabPage("2ndgroup",  ScTpSubTotalGroup2::Create, nullptr);
+    AddTabPage("3rdgroup",  ScTpSubTotalGroup3::Create, nullptr);
+    AddTabPage("options", ScTpSubTotalOptions::Create, nullptr);
     m_pBtnRemove->SetClickHdl( LINK( this, ScSubTotalDlg, RemoveHdl ) );
 }
 
diff --git a/sc/source/ui/dbgui/tpsort.cxx b/sc/source/ui/dbgui/tpsort.cxx
index c81e7ad19d6e..daa45305c87a 100644
--- a/sc/source/ui/dbgui/tpsort.cxx
+++ b/sc/source/ui/dbgui/tpsort.cxx
@@ -79,7 +79,7 @@ ScTabPageSortFields::ScTabPageSortFields(vcl::Window* pParent,
 
         nWhichSort      ( rArgSet.GetPool()->GetWhich( SID_SORT ) ),
         pDlg            ( static_cast<ScSortDlg*>(GetParentDialog()) ),
-        pViewData       ( NULL ),
+        pViewData       ( nullptr ),
         aSortData       ( static_cast<const ScSortItem&>(
                            rArgSet.Get( nWhichSort )).
                                 GetSortData() ),
@@ -290,7 +290,7 @@ bool ScTabPageSortFields::FillItemSet( SfxItemSet* rArgSet )
             aNewSortData.maKeyState[i].bDoSort = false;
     }
 
-    rArgSet->Put( ScSortItem( SCITEM_SORTDATA, NULL, &aNewSortData ) );
+    rArgSet->Put( ScSortItem( SCITEM_SORTDATA, nullptr, &aNewSortData ) );
 
     return true;
 }
@@ -494,11 +494,11 @@ ScTabPageSortOptions::ScTabPageSortOptions( vcl::Window*             pParent,
     , aStrUndefined(SC_RESSTR(SCSTR_UNDEFINED))
     , nWhichSort(rArgSet.GetPool()->GetWhich(SID_SORT))
     , aSortData(static_cast<const ScSortItem&>(rArgSet.Get(nWhichSort)).GetSortData())
-    , pViewData(NULL)
-    , pDoc(NULL)
+    , pViewData(nullptr)
+    , pDoc(nullptr)
     , pDlg(static_cast<ScSortDlg*>(GetParentDialog()))
-    , pColRes( NULL )
-    , pColWrap( NULL )
+    , pColRes( nullptr )
+    , pColWrap( nullptr )
 {
     get(m_pBtnCase, "case");
     get(m_pBtnHeader, "header");
@@ -573,7 +573,7 @@ void ScTabPageSortOptions::Init()
     m_pLbLanguage->SetSelectHdl  ( LINK( this, ScTabPageSortOptions, FillAlgorHdl ) );
 
     pViewData = rSortItem.GetViewData();
-    pDoc      = pViewData ? pViewData->GetDocument() : NULL;
+    pDoc      = pViewData ? pViewData->GetDocument() : nullptr;
 
     OSL_ENSURE( pViewData, "ViewData not found! :-/" );
 
diff --git a/sc/source/ui/dbgui/tpsubt.cxx b/sc/source/ui/dbgui/tpsubt.cxx
index ab1bf01394b5..82e142216481 100644
--- a/sc/source/ui/dbgui/tpsubt.cxx
+++ b/sc/source/ui/dbgui/tpsubt.cxx
@@ -41,8 +41,8 @@ ScTpSubTotalGroup::ScTpSubTotalGroup( vcl::Window* pParent,
                               &rArgSet ),
             aStrNone        ( SC_RESSTR( SCSTR_NONE ) ),
             aStrColumn      ( SC_RESSTR( SCSTR_COLUMN ) ),
-            pViewData       ( NULL ),
-            pDoc            ( NULL ),
+            pViewData       ( nullptr ),
+            pDoc            ( nullptr ),
             nWhichSubTotals ( rArgSet.GetPool()->GetWhich( SID_SUBTOTALS ) ),
             rSubTotalData   ( static_cast<const ScSubTotalItem&>(
                               rArgSet.Get( nWhichSubTotals )).
@@ -96,7 +96,7 @@ void ScTpSubTotalGroup::Init()
                                           GetItemSet().Get( nWhichSubTotals ));
 
     pViewData   = rSubTotalItem.GetViewData();
-    pDoc        = ( pViewData ) ? pViewData->GetDocument() : NULL;
+    pDoc        = ( pViewData ) ? pViewData->GetDocument() : nullptr;
 
     OSL_ENSURE( pViewData && pDoc, "ViewData or Document not found :-(" );
 
@@ -441,8 +441,8 @@ ScTpSubTotalOptions::ScTpSubTotalOptions( vcl::Window*               pParent,
         :   SfxTabPage      ( pParent,
                               "SubTotalOptionsPage", "modules/scalc/ui/subtotaloptionspage.ui" ,
                               &rArgSet ),
-            pViewData       ( NULL ),
-            pDoc            ( NULL ),
+            pViewData       ( nullptr ),
+            pDoc            ( nullptr ),
             nWhichSubTotals ( rArgSet.GetPool()->GetWhich( SID_SUBTOTALS ) ),
             rSubTotalData   ( static_cast<const ScSubTotalItem&>(
                               rArgSet.Get( nWhichSubTotals )).
@@ -486,7 +486,7 @@ void ScTpSubTotalOptions::Init()
                                           GetItemSet().Get( nWhichSubTotals ));
 
     pViewData   = rSubTotalItem.GetViewData();
-    pDoc        = ( pViewData ) ? pViewData->GetDocument() : NULL;
+    pDoc        = ( pViewData ) ? pViewData->GetDocument() : nullptr;
 
     OSL_ENSURE( pViewData && pDoc, "ViewData or Document not found!" );
 
diff --git a/sc/source/ui/dbgui/validate.cxx b/sc/source/ui/dbgui/validate.cxx
index 6b0b56abf78c..459c5d731fc7 100644
--- a/sc/source/ui/dbgui/validate.cxx
+++ b/sc/source/ui/dbgui/validate.cxx
@@ -90,9 +90,9 @@ ScValidationDlg::ScValidationDlg(vcl::Window* pParent, const SfxItemSet* pArgSet
     , m_bOwnRefHdlr(false)
     , m_bRefInputting(false)
 {
-    m_nValuePageId = AddTabPage("criteria", ScTPValidationValue::Create, 0);
-    AddTabPage("inputhelp", ScTPValidationHelp::Create, 0);
-    AddTabPage("erroralert", ScTPValidationError::Create, 0);
+    m_nValuePageId = AddTabPage("criteria", ScTPValidationValue::Create, nullptr);
+    AddTabPage("inputhelp", ScTPValidationHelp::Create, nullptr);
+    AddTabPage("erroralert", ScTPValidationError::Create, nullptr);
     get(m_pHBox, "refinputbox");
 }
 
@@ -320,7 +320,7 @@ ScTPValidationValue::ScTPValidationValue( vcl::Window* pParent, const SfxItemSet
     , maStrValue(ScResId(SCSTR_VALID_VALUE))
     , maStrRange(ScResId(SCSTR_VALID_RANGE))
     , maStrList(ScResId(SCSTR_VALID_LIST))
-    , m_pRefEdit(NULL)
+    , m_pRefEdit(nullptr)
 {
     get(m_pLbAllow, "allow");
     get(m_pCbAllow, "allowempty");
@@ -331,14 +331,14 @@ ScTPValidationValue::ScTPValidationValue( vcl::Window* pParent, const SfxItemSet
     get(m_pFtMin, "minft");
     get(m_pMinGrid, "mingrid");
     get(m_pEdMin, "min");
-    m_pEdMin->SetReferences(NULL, m_pFtMin);
+    m_pEdMin->SetReferences(nullptr, m_pFtMin);
     get(m_pEdList, "minlist");
     Size aSize(LogicToPixel(Size(174, 105), MAP_APPFONT));
     m_pEdList->set_width_request(aSize.Width());
     m_pEdList->set_height_request(aSize.Height());
     get(m_pFtMax, "maxft");
     get(m_pEdMax, "max");
-    m_pEdMax->SetReferences(NULL, m_pFtMax);
+    m_pEdMax->SetReferences(nullptr, m_pFtMax);
     get(m_pFtHint, "hintft");
     get(m_pBtnRef, "validref");
     m_pBtnRef->SetParentPage(this);
@@ -402,7 +402,7 @@ void ScTPValidationValue::Init()
     m_pLbValue->SelectEntryPos( SC_VALIDDLG_DATA_EQUAL );
 
     SelectHdl( *m_pLbAllow.get() );
-    CheckHdl( NULL );
+    CheckHdl( nullptr );
 }
 
 VclPtr<SfxTabPage> ScTPValidationValue::Create( vcl::Window* pParent, const SfxItemSet* rArgSet )
@@ -450,7 +450,7 @@ void ScTPValidationValue::Reset( const SfxItemSet* rArgSet )
     SetSecondFormula( aFmlaStr );
 
     SelectHdl( *m_pLbAllow.get() );
-    CheckHdl( NULL );
+    CheckHdl( nullptr );
 }
 
 bool ScTPValidationValue::FillItemSet( SfxItemSet* rArgSet )
@@ -515,8 +515,8 @@ ScValidationDlg * ScTPValidationValue::GetValidationDlg()
         do{
             if ( dynamic_cast<ScValidationDlg*>( pParent ) )
                 return static_cast< ScValidationDlg * >( pParent );
-        }while ( NULL != ( pParent = pParent->GetParent() ) );
-    return NULL;
+        }while ( nullptr != ( pParent = pParent->GetParent() ) );
+    return nullptr;
 }
 
 void ScTPValidationValue::SetupRefDlg()
@@ -531,7 +531,7 @@ void ScTPValidationValue::SetupRefDlg()
             pValidationDlg->SetRefInputStartPreHdl( static_cast<ScRefHandlerHelper::PINPUTSTARTDLTYPE>( &ScTPValidationValue::RefInputStartPreHdl ) );
             pValidationDlg->SetRefInputDonePostHdl( static_cast<ScRefHandlerHelper::PCOMMONHDLTYPE>( &ScTPValidationValue::RefInputDonePostHdl ) );
 
-            vcl::Window *pLabel = NULL;
+            vcl::Window *pLabel = nullptr;
 
             if ( m_pEdMax->IsVisible() )
             {
@@ -561,17 +561,17 @@ void ScTPValidationValue::RemoveRefDlg()
     {
         if( pValidationDlg->RemoveRefDlg() )
         {
-            pValidationDlg->SetHandler( NULL );
-            pValidationDlg->SetSetRefHdl( NULL );
-            pValidationDlg->SetSetActHdl( NULL );
-            pValidationDlg->SetRefInputStartPreHdl( NULL );
-            pValidationDlg->SetRefInputDonePostHdl( NULL );
+            pValidationDlg->SetHandler( nullptr );
+            pValidationDlg->SetSetRefHdl( nullptr );
+            pValidationDlg->SetSetActHdl( nullptr );
+            pValidationDlg->SetRefInputStartPreHdl( nullptr );
+            pValidationDlg->SetRefInputDonePostHdl( nullptr );
 
             if( m_pRefEdit )
-                m_pRefEdit->SetReferences( NULL, NULL );
-            m_pRefEdit = NULL;
+                m_pRefEdit->SetReferences( nullptr, nullptr );
+            m_pRefEdit = nullptr;
 
-            m_pBtnRef->SetReferences( NULL, NULL );
+            m_pBtnRef->SetReferences( nullptr, nullptr );
         }
     }
 }
@@ -845,7 +845,7 @@ IMPL_LINK_NOARG_TYPED(ScTPValidationError, ClickSearchHdl, Button*, void)
 
     Application::SetDefDialogParent( pOld );
 
-    if ( aScriptURL != NULL && !aScriptURL.isEmpty() )
+    if ( aScriptURL != nullptr && !aScriptURL.isEmpty() )
     {
         m_pEdtTitle->SetText( aScriptURL );
     }
@@ -861,7 +861,7 @@ bool ScValidationDlg::EnterRefStatus()
     SfxViewFrame* pViewFrm = pTabViewShell->GetViewFrame();
     SfxChildWindow* pWnd = pViewFrm->GetChildWindow( nId );
 
-    if ( pWnd && pWnd->GetWindow()!= this ) pWnd = NULL;
+    if ( pWnd && pWnd->GetWindow()!= this ) pWnd = nullptr;
 
     SC_MOD()->SetRefDialog( nId, pWnd == nullptr );
 
@@ -951,7 +951,7 @@ void ScTPValidationValue::OnClick( Button *pBtn )
 bool ScValidationDlg::IsChildFocus()
 {
     if ( const vcl::Window *pWin = Application::GetFocusWindow() )
-        while( NULL != ( pWin = pWin->GetParent() ) )
+        while( nullptr != ( pWin = pWin->GetParent() ) )
             if( pWin == this )
                 return true;
 
diff --git a/sc/source/ui/dialogs/searchresults.cxx b/sc/source/ui/dialogs/searchresults.cxx
index f9f2c12c3804..9f6b54777b53 100644
--- a/sc/source/ui/dialogs/searchresults.cxx
+++ b/sc/source/ui/dialogs/searchresults.cxx
@@ -24,7 +24,7 @@ namespace sc {
 
 SearchResultsDlg::SearchResultsDlg( SfxBindings* _pBindings, vcl::Window* pParent, sal_uInt16 /* nId */ ) :
     ModelessDialog(pParent, "SearchResultsDialog", "modules/scalc/ui/searchresults.ui"),
-    mpBindings(_pBindings), mpDoc(NULL)
+    mpBindings(_pBindings), mpDoc(nullptr)
 {
     SvSimpleTableContainer *pContainer = get<SvSimpleTableContainer>("results");
     Size aControlSize(150, 120);
@@ -66,7 +66,7 @@ void SearchResultsDlg::FillResults( ScDocument* pDoc, const ScRangeList &rMatche
                 // Out-of-bound sheet index.
                 continue;
 
-            OUString aPosStr = aPos.Format(SCA_ABS, NULL, pDoc->GetAddressConvention());
+            OUString aPosStr = aPos.Format(SCA_ABS, nullptr, pDoc->GetAddressConvention());
             mpList->InsertEntry(aTabNames[aPos.Tab()] + "\t" + aPosStr + "\t" + pDoc->GetString(aPos));
         }
     }
diff --git a/sc/source/ui/docshell/arealink.cxx b/sc/source/ui/docshell/arealink.cxx
index df1829fcbf8d..d6d5d4dd44bd 100644
--- a/sc/source/ui/docshell/arealink.cxx
+++ b/sc/source/ui/docshell/arealink.cxx
@@ -51,7 +51,7 @@ struct AreaLink_Impl
     ScDocShell* m_pDocSh;
     AbstractScLinkedAreaDlg* m_pDialog;
 
-    AreaLink_Impl() : m_pDocSh( NULL ), m_pDialog( NULL ) {}
+    AreaLink_Impl() : m_pDocSh( nullptr ), m_pDialog( nullptr ) {}
 };
 
 TYPEINIT1(ScAreaLink,::sfx2::SvBaseLink);
@@ -110,10 +110,10 @@ void ScAreaLink::Edit(vcl::Window* pParent, const Link<SvBaseLink&,void>& /* rEn
         return SUCCESS;
 
     sfx2::LinkManager* pLinkManager=pImpl->m_pDocSh->GetDocument().GetLinkManager();
-    if (pLinkManager!=NULL)
+    if (pLinkManager!=nullptr)
     {
         OUString aFile, aArea, aFilter;
-        sfx2::LinkManager::GetDisplayNames(this, NULL, &aFile, &aArea, &aFilter);
+        sfx2::LinkManager::GetDisplayNames(this, nullptr, &aFile, &aArea, &aFilter);
 
         //  the file dialog returns the filter name with the application prefix
         //  -> remove prefix
@@ -127,7 +127,7 @@ void ScAreaLink::Edit(vcl::Window* pParent, const Link<SvBaseLink&,void>& /* rEn
             // adjust in dialog:
             OUString aNewLinkName;
             OUString aTmp = aFilter;
-            sfx2::MakeLnkName(aNewLinkName, NULL, aFile, aArea, &aTmp);
+            sfx2::MakeLnkName(aNewLinkName, nullptr, aFile, aArea, &aTmp);
             aFilter = aTmp;
             SetName( aNewLinkName );
         }
@@ -176,7 +176,7 @@ void ScAreaLink::SetSource(const OUString& rDoc, const OUString& rFlt, const OUS
 
     //  also update link name for dialog
     OUString aNewLinkName;
-    sfx2::MakeLnkName( aNewLinkName, NULL, aFileName, aSourceArea, &aFilterName );
+    sfx2::MakeLnkName( aNewLinkName, nullptr, aFileName, aSourceArea, &aFilterName );
     SetName( aNewLinkName );
 }
 
@@ -324,7 +324,7 @@ bool ScAreaLink::Refresh( const OUString& rNewFile, const OUString& rNewFilter,
 
         //  Undo initialisieren
 
-        ScDocument* pUndoDoc = NULL;
+        ScDocument* pUndoDoc = nullptr;
         if ( bAddUndo && bUndo )
         {
             pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -392,7 +392,7 @@ bool ScAreaLink::Refresh( const OUString& rNewFile, const OUString& rNewFilter,
                     ScMarkData aDestMark;
                     aDestMark.SelectOneTable( nDestTab );
                     aDestMark.SetMarkArea( aNewTokenRange );
-                    rDoc.CopyFromClip( aNewTokenRange, aDestMark, InsertDeleteFlags::ALL, NULL, &aClipDoc, false );
+                    rDoc.CopyFromClip( aNewTokenRange, aDestMark, InsertDeleteFlags::ALL, nullptr, &aClipDoc, false );
                     aNewTokenRange.aStart.SetRow( aNewTokenRange.aEnd.Row() + 2 );
                 }
             }
@@ -500,10 +500,10 @@ IMPL_LINK_NOARG_TYPED(ScAreaLink, AreaEndEditHdl, Dialog&, void)
 
         //  copy source data from members (set in Refresh) into link name for dialog
         OUString aNewLinkName;
-        sfx2::MakeLnkName( aNewLinkName, NULL, aFileName, aSourceArea, &aFilterName );
+        sfx2::MakeLnkName( aNewLinkName, nullptr, aFileName, aSourceArea, &aFilterName );
         SetName( aNewLinkName );
     }
-    pImpl->m_pDialog = NULL;    // dialog is deleted with parent
+    pImpl->m_pDialog = nullptr;    // dialog is deleted with parent
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/docshell/autostyl.cxx b/sc/source/ui/docshell/autostyl.cxx
index 549a3ec6e5eb..81a80d27cb40 100644
--- a/sc/source/ui/docshell/autostyl.cxx
+++ b/sc/source/ui/docshell/autostyl.cxx
@@ -47,7 +47,7 @@ struct ScAutoStyleData
 
 inline sal_uLong TimeNow()          // Sekunden
 {
-    return (sal_uLong) time(0);
+    return (sal_uLong) time(nullptr);
 }
 
 namespace {
diff --git a/sc/source/ui/docshell/datastream.cxx b/sc/source/ui/docshell/datastream.cxx
index f95425b2ebb6..082fe89a643e 100644
--- a/sc/source/ui/docshell/datastream.cxx
+++ b/sc/source/ui/docshell/datastream.cxx
@@ -217,7 +217,7 @@ private:
     {
         while (!isTerminateRequested())
         {
-            DataStream::LinesType* pLines = NULL;
+            DataStream::LinesType* pLines = nullptr;
             osl::ResettableMutexGuard aGuard(maMtxLines);
 
             if (!maUsedLines.empty())
@@ -322,7 +322,7 @@ DataStream::DataStream(ScDocShell *pShell, const OUString& rURL, const ScRange&
     mbRunning(false),
     mbValuesInLine(false),
     mbRefreshOnEmptyLine(false),
-    mpLines(0),
+    mpLines(nullptr),
     mnLinesCount(0),
     mnLinesSinceRefresh(0),
     mfLastRefreshTime(0.0),
@@ -424,7 +424,7 @@ void DataStream::StartImport()
 
     if (!mxReaderThread.is())
     {
-        SvStream *pStream = 0;
+        SvStream *pStream = nullptr;
         if (mnSettings & SCRIPT_STREAM)
             pStream = new SvScriptStream(msURL);
         else
diff --git a/sc/source/ui/docshell/dbdocfun.cxx b/sc/source/ui/docshell/dbdocfun.cxx
index 9b26badde76c..f14f1e957c01 100644
--- a/sc/source/ui/docshell/dbdocfun.cxx
+++ b/sc/source/ui/docshell/dbdocfun.cxx
@@ -64,7 +64,7 @@ bool ScDBDocFunc::AddDBRange( const OUString& rName, const ScRange& rRange, bool
     ScDBCollection* pDocColl = rDoc.GetDBCollection();
     bool bUndo (rDoc.IsUndoEnabled());
 
-    ScDBCollection* pUndoColl = NULL;
+    ScDBCollection* pUndoColl = nullptr;
     if (bUndo)
         pUndoColl = new ScDBCollection( *pDocColl );
 
@@ -123,7 +123,7 @@ bool ScDBDocFunc::DeleteDBRange(const OUString& rName)
     {
         ScDocShellModificator aModificator( rDocShell );
 
-        ScDBCollection* pUndoColl = NULL;
+        ScDBCollection* pUndoColl = nullptr;
         if (bUndo)
             pUndoColl = new ScDBCollection( *pDocColl );
 
@@ -201,7 +201,7 @@ bool ScDBDocFunc::ModifyDBData( const ScDBData& rNewData )
     ScDBCollection* pDocColl = rDoc.GetDBCollection();
     bool bUndo = rDoc.IsUndoEnabled();
 
-    ScDBData* pData = NULL;
+    ScDBData* pData = nullptr;
     if (rNewData.GetName() == STR_DB_LOCAL_NONAME)
     {
         ScRange aRange;
@@ -220,7 +220,7 @@ bool ScDBDocFunc::ModifyDBData( const ScDBData& rNewData )
         rNewData.GetArea(aNewRange);
         bool bAreaChanged = ( aOldRange != aNewRange );     // dann muss neu compiliert werden
 
-        ScDBCollection* pUndoColl = NULL;
+        ScDBCollection* pUndoColl = nullptr;
         if (bUndo)
             pUndoColl = new ScDBCollection( *pDocColl );
 
@@ -247,7 +247,7 @@ void ScDBDocFunc::ModifyAllDBData( const ScDBCollection& rNewColl, const std::ve
     ScDocShellModificator aModificator(rDocShell);
     ScDocument& rDoc = rDocShell.GetDocument();
     ScDBCollection* pOldColl = rDoc.GetDBCollection();
-    ScDBCollection* pUndoColl = NULL;
+    ScDBCollection* pUndoColl = nullptr;
     bool bRecord = rDoc.IsUndoEnabled();
 
     std::vector<ScRange>::const_iterator iter;
@@ -268,7 +268,7 @@ void ScDBDocFunc::ModifyAllDBData( const ScDBCollection& rNewColl, const std::ve
     rDoc.PreprocessDBDataUpdate();
     rDoc.SetDBCollection( new ScDBCollection( rNewColl ) );
     rDoc.CompileHybridFormula();
-    pOldColl = NULL;
+    pOldColl = nullptr;
     rDocShell.PostPaint(ScRange(0, 0, 0, MAXCOL, MAXROW, MAXTAB), PAINT_GRID);
     aModificator.SetDocumentModified();
     SfxGetpApp()->Broadcast( SfxSimpleHint( SC_HINT_DBAREAS_CHANGED ) );
@@ -289,7 +289,7 @@ bool ScDBDocFunc::RepeatDB( const OUString& rDBName, bool bRecord, bool bApi, bo
     ScDocument& rDoc = rDocShell.GetDocument();
     if (bRecord && !rDoc.IsUndoEnabled())
         bRecord = false;
-    ScDBData* pDBData = NULL;
+    ScDBData* pDBData = nullptr;
     if (bIsUnnamed)
     {
         pDBData = rDoc.GetAnonymousDBData( aTab );
@@ -340,10 +340,10 @@ bool ScDBDocFunc::RepeatDB( const OUString& rDBName, bool bRecord, bool bApi, bo
 
             //!     Undo nur benoetigte Daten ?
 
-            ScDocument* pUndoDoc = NULL;
-            ScOutlineTable* pUndoTab = NULL;
-            ScRangeName* pUndoRange = NULL;
-            ScDBCollection* pUndoDB = NULL;
+            ScDocument* pUndoDoc = nullptr;
+            ScOutlineTable* pUndoTab = nullptr;
+            ScRangeName* pUndoRange = nullptr;
+            ScDBCollection* pUndoDB = nullptr;
 
             if (bRecord)
             {
@@ -391,7 +391,7 @@ bool ScDBDocFunc::RepeatDB( const OUString& rDBName, bool bRecord, bool bApi, bo
                 //  Sortieren ohne SubTotals
 
                 aSubTotalParam.bRemoveOnly = true;      // wird unten wieder zurueckgesetzt
-                DoSubTotals( nTab, aSubTotalParam, NULL, false, bApi );
+                DoSubTotals( nTab, aSubTotalParam, nullptr, false, bApi );
             }
 
             if (bSort)
@@ -406,7 +406,7 @@ bool ScDBDocFunc::RepeatDB( const OUString& rDBName, bool bRecord, bool bApi, bo
                 if (pDBData->GetAdvancedQuerySource(aAdvSource))
                     Query( nTab, aQueryParam, &aAdvSource, false, bApi );
                 else
-                    Query( nTab, aQueryParam, NULL, false, bApi );
+                    Query( nTab, aQueryParam, nullptr, false, bApi );
 
                 //  bei nicht-inplace kann die Tabelle umgestellt worden sein
 //              if ( !aQueryParam.bInplace && aQueryParam.nDestTab != nTab )
@@ -416,7 +416,7 @@ bool ScDBDocFunc::RepeatDB( const OUString& rDBName, bool bRecord, bool bApi, bo
             {
                 pDBData->GetSubTotalParam( aSubTotalParam );    // Bereich kann sich geaendert haben
                 aSubTotalParam.bRemoveOnly = false;
-                DoSubTotals( nTab, aSubTotalParam, NULL, false, bApi );
+                DoSubTotals( nTab, aSubTotalParam, nullptr, false, bApi );
             }
 
             if (bRecord)
@@ -427,8 +427,8 @@ bool ScDBDocFunc::RepeatDB( const OUString& rDBName, bool bRecord, bool bApi, bo
                 SCROW nNewEndRow;
                 pDBData->GetArea( nDummyTab, nDummyCol,nDummyRow, nDummyCol,nNewEndRow );
 
-                const ScRange* pOld = NULL;
-                const ScRange* pNew = NULL;
+                const ScRange* pOld = nullptr;
+                const ScRange* pNew = nullptr;
                 if (bQuerySize)
                 {
                     ScDBData* pDest = rDoc.GetDBAtCursor( aQueryParam.nDestCol, aQueryParam.nDestRow,
@@ -641,13 +641,13 @@ bool ScDBDocFunc::Query( SCTAB nTab, const ScQueryParam& rQueryParam,
             for (SCSIZE i=0; i<nEC; i++)
                 aOldQuery.GetEntry(i).bDoQuery = false;
             aOldQuery.bDuplicate = true;
-            Query( nTab, aOldQuery, NULL, bRecord, bApi );
+            Query( nTab, aOldQuery, nullptr, bRecord, bApi );
         }
     }
 
     ScQueryParam aLocalParam( rQueryParam );        // fuer Paint / Zielbereich
     bool bCopy = !rQueryParam.bInplace;             // kopiert wird in Table::Query
-    ScDBData* pDestData = NULL;                     // Bereich, in den kopiert wird
+    ScDBData* pDestData = nullptr;                     // Bereich, in den kopiert wird
     bool bDoSize = false;                           // Zielgroesse anpassen (einf./loeschen)
     SCCOL nFormulaCols = 0;                     // nur bei bDoSize
     bool bKeepFmt = false;
@@ -725,9 +725,9 @@ bool ScDBDocFunc::Query( SCTAB nTab, const ScQueryParam& rQueryParam,
             bKeepSub = true;
     }
 
-    ScDocument* pUndoDoc = NULL;
-    ScDBCollection* pUndoDB = NULL;
-    const ScRange* pOld = NULL;
+    ScDocument* pUndoDoc = nullptr;
+    ScDBCollection* pUndoDB = nullptr;
+    const ScRange* pOld = nullptr;
 
     if ( bRecord )
     {
@@ -760,7 +760,7 @@ bool ScDBDocFunc::Query( SCTAB nTab, const ScQueryParam& rQueryParam,
         rDoc.BeginDrawUndo();
     }
 
-    ScDocument* pAttribDoc = NULL;
+    ScDocument* pAttribDoc = nullptr;
     ScRange aAttribRange;
     if (pDestData)                                      // Zielbereich loeschen
     {
@@ -1003,10 +1003,10 @@ bool ScDBDocFunc::DoSubTotals( SCTAB nTab, const ScSubTotalParam& rParam,
         ScDocShellModificator aModificator( rDocShell );
 
         ScSubTotalParam aNewParam( rParam );        // Bereichsende wird veraendert
-        ScDocument*     pUndoDoc = NULL;
-        ScOutlineTable* pUndoTab = NULL;
-        ScRangeName*    pUndoRange = NULL;
-        ScDBCollection* pUndoDB = NULL;
+        ScDocument*     pUndoDoc = nullptr;
+        ScOutlineTable* pUndoTab = nullptr;
+        ScRangeName*    pUndoRange = nullptr;
+        ScDBCollection* pUndoDB = nullptr;
 
         if (bRecord)                                        // alte Daten sichern
         {
@@ -1354,7 +1354,7 @@ bool ScDBDocFunc::RemovePivotTable(ScDPObject& rDPObj, bool bRecord, bool bApi)
     {
         rDocShell.GetUndoManager()->AddUndoAction(
             new ScUndoDataPilot(
-                &rDocShell, pOldUndoDoc.release(), NULL, pUndoDPObj.get(), NULL, false));
+                &rDocShell, pOldUndoDoc.release(), nullptr, pUndoDPObj.get(), nullptr, false));
 
         // pUndoDPObj is copied
     }
@@ -1454,7 +1454,7 @@ bool ScDBDocFunc::CreatePivotTable(const ScDPObject& rDPObj, bool bRecord, bool
     if (bRecord)
     {
         rDocShell.GetUndoManager()->AddUndoAction(
-            new ScUndoDataPilot(&rDocShell, NULL, pNewUndoDoc.release(), NULL, &rDestObj, false));
+            new ScUndoDataPilot(&rDocShell, nullptr, pNewUndoDoc.release(), nullptr, &rDestObj, false));
     }
 
     // notify API objects
diff --git a/sc/source/ui/docshell/dbdocimp.cxx b/sc/source/ui/docshell/dbdocimp.cxx
index ce439e6debe0..1f258da9a526 100644
--- a/sc/source/ui/docshell/dbdocimp.cxx
+++ b/sc/source/ui/docshell/dbdocimp.cxx
@@ -119,13 +119,13 @@ bool ScDBDocFunc::DoImport( SCTAB nTab, const ScImportParam& rParam,
         const svx::ODataAccessDescriptor* pDescriptor, bool bRecord, bool bAddrInsert )
 {
     ScDocument& rDoc = rDocShell.GetDocument();
-    ScChangeTrack *pChangeTrack = NULL;
+    ScChangeTrack *pChangeTrack = nullptr;
     ScRange aChangedRange;
 
     if (bRecord && !rDoc.IsUndoEnabled())
         bRecord = false;
 
-    ScDBData* pDBData = NULL;
+    ScDBData* pDBData = nullptr;
     if ( !bAddrInsert )
     {
         pDBData = rDoc.GetDBAtArea( nTab, rParam.nCol1, rParam.nRow1,
@@ -228,7 +228,7 @@ bool ScDBDocFunc::DoImport( SCTAB nTab, const ScImportParam& rParam,
                 if ( xExecute.is() )
                 {
                     uno::Reference<task::XInteractionHandler> xHandler(
-                        task::InteractionHandler::createWithParent(comphelper::getProcessComponentContext(), 0),
+                        task::InteractionHandler::createWithParent(comphelper::getProcessComponentContext(), nullptr),
                         uno::UNO_QUERY_THROW);
                     xExecute->executeWithCompletion( xHandler );
                 }
@@ -415,7 +415,7 @@ bool ScDBDocFunc::DoImport( SCTAB nTab, const ScImportParam& rParam,
             nErrStringId = aTester.GetMessageId();
             bSuccess = false;
         }
-        else if ( (pChangeTrack = rDoc.GetChangeTrack()) != NULL )
+        else if ( (pChangeTrack = rDoc.GetChangeTrack()) != nullptr )
             aChangedRange = ScRange(rParam.nCol1, rParam.nRow1, nTab,
                         nEndCol+nFormulaCols, nEndRow, nTab );
     }
@@ -476,8 +476,8 @@ bool ScDBDocFunc::DoImport( SCTAB nTab, const ScImportParam& rParam,
         SCCOL nUndoEndCol = std::max( nEndCol, rParam.nCol2 );       // rParam = old end
         SCROW nUndoEndRow = std::max( nEndRow, rParam.nRow2 );
 
-        ScDocument* pUndoDoc = NULL;
-        ScDBData* pUndoDBData = NULL;
+        ScDocument* pUndoDoc = nullptr;
+        ScDBData* pUndoDBData = nullptr;
         if ( bRecord )
         {
             pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -588,14 +588,14 @@ bool ScDBDocFunc::DoImport( SCTAB nTab, const ScImportParam& rParam,
         if (bRecord)
         {
             ScDocument* pRedoDoc = pImportDoc;
-            pImportDoc = NULL;
+            pImportDoc = nullptr;
 
             if (nFormulaCols > 0)                   // include filled formulas for redo
                 rDoc.CopyToDocument( rParam.nCol1, rParam.nRow1, nTab,
                                         nEndCol+nFormulaCols, nEndRow, nTab,
                                         InsertDeleteFlags::ALL & ~InsertDeleteFlags::NOTE, false, pRedoDoc );
 
-            ScDBData* pRedoDBData = pDBData ? new ScDBData( *pDBData ) : NULL;
+            ScDBData* pRedoDBData = pDBData ? new ScDBData( *pDBData ) : nullptr;
 
             rDocShell.GetUndoManager()->AddUndoAction(
                 new ScUndoImportData( &rDocShell, nTab,
diff --git a/sc/source/ui/docshell/docfunc.cxx b/sc/source/ui/docshell/docfunc.cxx
index 6f1e5930c93a..4b4afc130a72 100644
--- a/sc/source/ui/docshell/docfunc.cxx
+++ b/sc/source/ui/docshell/docfunc.cxx
@@ -177,7 +177,7 @@ bool ScDocFunc::DetectiveAddPred(const ScAddress& rPos)
     if (bUndo)
         pModel->BeginCalcUndo(false);
     bool bDone = ScDetectiveFunc( &rDoc,nTab ).ShowPred( nCol, nRow );
-    SdrUndoGroup* pUndo = NULL;
+    SdrUndoGroup* pUndo = nullptr;
     if (bUndo)
         pUndo = pModel->GetCalcUndo();
     if (bDone)
@@ -218,7 +218,7 @@ bool ScDocFunc::DetectiveDelPred(const ScAddress& rPos)
     if (bUndo)
         pModel->BeginCalcUndo(false);
     bool bDone = ScDetectiveFunc( &rDoc,nTab ).DeletePred( nCol, nRow );
-    SdrUndoGroup* pUndo = NULL;
+    SdrUndoGroup* pUndo = nullptr;
     if (bUndo)
         pUndo = pModel->GetCalcUndo();
     if (bDone)
@@ -257,7 +257,7 @@ bool ScDocFunc::DetectiveAddSucc(const ScAddress& rPos)
     if (bUndo)
         pModel->BeginCalcUndo(false);
     bool bDone = ScDetectiveFunc( &rDoc,nTab ).ShowSucc( nCol, nRow );
-    SdrUndoGroup* pUndo = NULL;
+    SdrUndoGroup* pUndo = nullptr;
     if (bUndo)
         pUndo = pModel->GetCalcUndo();
     if (bDone)
@@ -298,7 +298,7 @@ bool ScDocFunc::DetectiveDelSucc(const ScAddress& rPos)
     if (bUndo)
         pModel->BeginCalcUndo(false);
     bool bDone = ScDetectiveFunc( &rDoc,nTab ).DeleteSucc( nCol, nRow );
-    SdrUndoGroup* pUndo = NULL;
+    SdrUndoGroup* pUndo = nullptr;
     if (bUndo)
         pUndo = pModel->GetCalcUndo();
     if (bDone)
@@ -337,7 +337,7 @@ bool ScDocFunc::DetectiveAddError(const ScAddress& rPos)
     if (bUndo)
         pModel->BeginCalcUndo(false);
     bool bDone = ScDetectiveFunc( &rDoc,nTab ).ShowError( nCol, nRow );
-    SdrUndoGroup* pUndo = NULL;
+    SdrUndoGroup* pUndo = nullptr;
     if (bUndo)
         pUndo = pModel->GetCalcUndo();
     if (bDone)
@@ -377,7 +377,7 @@ bool ScDocFunc::DetectiveMarkInvalid(SCTAB nTab)
         pModel->BeginCalcUndo(false);
     bool bOverflow;
     bool bDone = ScDetectiveFunc( &rDoc,nTab ).MarkInvalid( bOverflow );
-    SdrUndoGroup* pUndo = NULL;
+    SdrUndoGroup* pUndo = nullptr;
     if (bUndo)
         pUndo = pModel->GetCalcUndo();
     if (pWaitWin)
@@ -416,22 +416,22 @@ bool ScDocFunc::DetectiveDelAll(SCTAB nTab)
     if (bUndo)
         pModel->BeginCalcUndo(false);
     bool bDone = ScDetectiveFunc( &rDoc,nTab ).DeleteAll( SC_DET_DETECTIVE );
-    SdrUndoGroup* pUndo = NULL;
+    SdrUndoGroup* pUndo = nullptr;
     if (bUndo)
         pUndo = pModel->GetCalcUndo();
     if (bDone)
     {
         ScDetOpList* pOldList = rDoc.GetDetOpList();
-        ScDetOpList* pUndoList = NULL;
+        ScDetOpList* pUndoList = nullptr;
         if (bUndo)
-            pUndoList = pOldList ? new ScDetOpList(*pOldList) : NULL;
+            pUndoList = pOldList ? new ScDetOpList(*pOldList) : nullptr;
 
         rDoc.ClearDetectiveOperations();
 
         if (bUndo)
         {
             rDocShell.GetUndoManager()->AddUndoAction(
-                        new ScUndoDetective( &rDocShell, pUndo, NULL, pUndoList ) );
+                        new ScUndoDetective( &rDocShell, pUndo, nullptr, pUndoList ) );
         }
         aModificator.SetDocumentModified();
         SfxBindings* pBindings = rDocShell.GetViewBindings();
@@ -812,7 +812,7 @@ bool ScDocFunc::SetNormalString( bool& o_rbNumFmtSet, const ScAddress& rPos, con
     {
         //  wegen ChangeTracking darf UndoAction erst nach SetString angelegt werden
         rDocShell.GetUndoManager()->AddUndoAction(
-            new ScUndoEnterData(&rDocShell, rPos, aOldValues, rText, NULL));
+            new ScUndoEnterData(&rDocShell, rPos, aOldValues, rText, nullptr));
     }
 
     if ( bEditDeleted || rDoc.HasAttrib( ScRange(rPos), HASATTR_NEEDHEIGHT ) )
@@ -1084,7 +1084,7 @@ bool ScDocFunc::PutData( const ScAddress& rPos, ScEditEngineDefaulter& rEngine,
             rEngine.SetUpdateMode(false);
 
         ScMyRememberItemList aRememberItems;
-        ScMyRememberItem* pRememberItem = NULL;
+        ScMyRememberItem* pRememberItem = nullptr;
 
         //  All paragraph attributes must be removed before calling CreateTextObject,
         //  not only alignment, so the object doesn't contain the cell attributes as
@@ -1272,7 +1272,7 @@ bool ScDocFunc::ReplaceNote( const ScAddress& rPos, const OUString& rNoteText, c
     if (aTester.IsEditable())
     {
         ScDrawLayer* pDrawLayer = rDoc.GetDrawLayer();
-        ::svl::IUndoManager* pUndoMgr = (pDrawLayer && rDoc.IsUndoEnabled()) ? rDocShell.GetUndoManager() : 0;
+        ::svl::IUndoManager* pUndoMgr = (pDrawLayer && rDoc.IsUndoEnabled()) ? rDocShell.GetUndoManager() : nullptr;
 
         ScNoteData aOldData;
         ScPostIt* pOldNote = rDoc.ReleaseNote( rPos );
@@ -1761,8 +1761,8 @@ bool ScDocFunc::InsertCells( const ScRange& rRange, const ScMarkData* pTabMark,
 
     WaitObject aWait( ScDocShell::GetActiveDialogParent() );      // wichtig wegen TrackFormulas bei UpdateReference
 
-    ScDocument* pRefUndoDoc = NULL;
-    ScRefUndoData* pUndoData = NULL;
+    ScDocument* pRefUndoDoc = nullptr;
+    ScRefUndoData* pUndoData = nullptr;
     if ( bRecord )
     {
         pRefUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -1816,9 +1816,9 @@ bool ScDocFunc::InsertCells( const ScRange& rRange, const ScMarkData* pTabMark,
 
             ScDocAttrIterator aTestIter( &rDoc, i, nMergeTestStartCol, nMergeTestStartRow, nMergeTestEndCol, nMergeTestEndRow );
             ScRange aExtendRange( nMergeTestStartCol, nMergeTestStartRow, i, nMergeTestEndCol, nMergeTestEndRow, i );
-            const ScPatternAttr* pPattern = NULL;
-            const ScMergeFlagAttr* pMergeFlagAttr = NULL;
-            while ( ( pPattern = aTestIter.GetNext( nTestCol, nTestRow1, nTestRow2 ) ) != NULL )
+            const ScPatternAttr* pPattern = nullptr;
+            const ScMergeFlagAttr* pMergeFlagAttr = nullptr;
+            while ( ( pPattern = aTestIter.GetNext( nTestCol, nTestRow1, nTestRow2 ) ) != nullptr )
             {
                 const ScMergeAttr* pMergeFlag = static_cast<const ScMergeAttr*>( &pPattern->GetItem(ATTR_MERGE) );
                 pMergeFlagAttr = static_cast<const ScMergeFlagAttr*>( &pPattern->GetItem(ATTR_MERGE_FLAG) );
@@ -2230,9 +2230,9 @@ bool ScDocFunc::DeleteCells( const ScRange& rRange, const ScMarkData* pTabMark,
 
             ScDocAttrIterator aTestIter( &rDoc, i, nUndoStartCol, nUndoStartRow, nMergeTestEndCol, nMergeTestEndRow );
             ScRange aExtendRange( nUndoStartCol, nUndoStartRow, i, nMergeTestEndCol, nMergeTestEndRow, i );
-            const ScPatternAttr* pPattern = NULL;
-            const ScMergeFlagAttr* pMergeFlagAttr = NULL;
-            while ( ( pPattern = aTestIter.GetNext( nTestCol, nTestRow1, nTestRow2 ) ) != NULL )
+            const ScPatternAttr* pPattern = nullptr;
+            const ScMergeFlagAttr* pMergeFlagAttr = nullptr;
+            while ( ( pPattern = aTestIter.GetNext( nTestCol, nTestRow1, nTestRow2 ) ) != nullptr )
             {
                 const ScMergeAttr* pMergeFlag = static_cast<const ScMergeAttr*>( &pPattern->GetItem( ATTR_MERGE ) );
                 pMergeFlagAttr = static_cast<const ScMergeFlagAttr*>( &pPattern->GetItem( ATTR_MERGE_FLAG ) );
@@ -2332,9 +2332,9 @@ bool ScDocFunc::DeleteCells( const ScRange& rRange, const ScMarkData* pTabMark,
 
     WaitObject aWait( ScDocShell::GetActiveDialogParent() );      // wichtig wegen TrackFormulas bei UpdateReference
 
-    ScDocument* pUndoDoc = NULL;
-    ScDocument* pRefUndoDoc = NULL;
-    ScRefUndoData* pUndoData = NULL;
+    ScDocument* pUndoDoc = nullptr;
+    ScDocument* pRefUndoDoc = nullptr;
+    ScRefUndoData* pUndoData = nullptr;
     if ( bRecord )
     {
         // With the fix for #101329#, UpdateRef always puts cells into pRefUndoDoc at their old position,
@@ -2373,7 +2373,7 @@ bool ScDocFunc::DeleteCells( const ScRange& rRange, const ScMarkData* pTabMark,
     switch (eCmd)
     {
         case DEL_CELLSUP:
-            rDoc.DeleteRow( nStartCol, 0, nEndCol, MAXTAB, nStartRow, static_cast<SCSIZE>(nEndRow-nStartRow+1), pRefUndoDoc, NULL, &aFullMark );
+            rDoc.DeleteRow( nStartCol, 0, nEndCol, MAXTAB, nStartRow, static_cast<SCSIZE>(nEndRow-nStartRow+1), pRefUndoDoc, nullptr, &aFullMark );
             nPaintEndRow = MAXROW;
             break;
         case DEL_DELROWS:
@@ -2384,7 +2384,7 @@ bool ScDocFunc::DeleteCells( const ScRange& rRange, const ScMarkData* pTabMark,
             nPaintFlags |= PAINT_LEFT;
             break;
         case DEL_CELLSLEFT:
-            rDoc.DeleteCol( nStartRow, 0, nEndRow, MAXTAB, nStartCol, static_cast<SCSIZE>(nEndCol-nStartCol+1), pRefUndoDoc, NULL, &aFullMark );
+            rDoc.DeleteCol( nStartRow, 0, nEndRow, MAXTAB, nStartCol, static_cast<SCSIZE>(nEndCol-nStartCol+1), pRefUndoDoc, nullptr, &aFullMark );
             nPaintEndCol = MAXCOL;
             break;
         case DEL_DELCOLS:
@@ -2411,7 +2411,7 @@ bool ScDocFunc::DeleteCells( const ScRange& rRange, const ScMarkData* pTabMark,
         pUndoDoc->AddUndoTab( 0, nTabCount-1 );
 
             //  kopieren mit bColRowFlags=false (#54194#)
-        pRefUndoDoc->CopyToDocument(0,0,0,MAXCOL,MAXROW,MAXTAB,InsertDeleteFlags::FORMULA,false,pUndoDoc,NULL,false);
+        pRefUndoDoc->CopyToDocument(0,0,0,MAXCOL,MAXROW,MAXTAB,InsertDeleteFlags::FORMULA,false,pUndoDoc,nullptr,false);
         delete pRefUndoDoc;
 
         SCTAB* pTabs      = new SCTAB[nSelCount];
@@ -2612,7 +2612,7 @@ bool ScDocFunc::MoveBlock( const ScRange& rSource, const ScAddress& rDestPos,
     ScClipParam aClipParam(ScRange(nStartCol, nStartRow, nStartTab, nEndCol, nEndRow, nStartTab), bCut);
     rDoc.CopyToClip(aClipParam, pClipDoc, &aSourceMark, false, bScenariosAdded, true);
 
-    ScDrawLayer::SetGlobalDrawPersist(NULL);
+    ScDrawLayer::SetGlobalDrawPersist(nullptr);
 
     SCCOL nOldEndCol = nEndCol;
     SCROW nOldEndRow = nEndRow;
@@ -2692,7 +2692,7 @@ bool ScDocFunc::MoveBlock( const ScRange& rSource, const ScAddress& rDestPos,
 
     //  ausfuehren
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
 
     if (bRecord)
     {
@@ -2735,7 +2735,7 @@ bool ScDocFunc::MoveBlock( const ScRange& rSource, const ScAddress& rDestPos,
                                     nUndoEndCol,nUndoEndRow,nDestEndTab,
                                     HASATTR_MERGED | HASATTR_OVERLAPPED ))
             {
-                rDoc.CopyFromClip( rSource, aSourceMark, InsertDeleteFlags::ALL, NULL, pClipDoc );
+                rDoc.CopyFromClip( rSource, aSourceMark, InsertDeleteFlags::ALL, nullptr, pClipDoc );
                 for (nTab=nStartTab; nTab<=nEndTab; nTab++)
                 {
                     SCCOL nTmpEndCol = nEndCol;
@@ -2767,7 +2767,7 @@ bool ScDocFunc::MoveBlock( const ScRange& rSource, const ScAddress& rDestPos,
         ScDrawLayer::MoveCells() which may move away inserted objects to wrong
         positions (e.g. if source and destination range overlaps).*/
     rDoc.CopyFromClip( aPasteDest, aDestMark, InsertDeleteFlags::ALL & ~(InsertDeleteFlags::OBJECTS),
-                        NULL, pClipDoc, true, false, bIncludeFiltered );
+                        nullptr, pClipDoc, true, false, bIncludeFiltered );
 
     // skipped rows and merged cells don't mix
     if ( !bIncludeFiltered && pClipDoc->HasClipFilteredRows() )
@@ -2782,7 +2782,7 @@ bool ScDocFunc::MoveBlock( const ScRange& rSource, const ScAddress& rDestPos,
         clipdoc does not contain a drawing layer.*/
     if ( pClipDoc->GetDrawLayer() )
         rDoc.CopyFromClip( aPasteDest, aDestMark, InsertDeleteFlags::OBJECTS,
-                           NULL, pClipDoc, true, false, bIncludeFiltered );
+                           nullptr, pClipDoc, true, false, bIncludeFiltered );
 
     if (bRecord)
     {
@@ -2791,7 +2791,7 @@ bool ScDocFunc::MoveBlock( const ScRange& rSource, const ScAddress& rDestPos,
                                     nStartCol, nStartRow, nStartTab,
                                     nOldEndCol, nOldEndRow, nEndTab ),
                                 ScAddress( nDestCol, nDestRow, nDestTab ),
-                                bCut, pUndoDoc, NULL, bScenariosAdded ) );
+                                bCut, pUndoDoc, nullptr, bScenariosAdded ) );
     }
 
     SCCOL nDestPaintEndCol = nDestEndCol;
@@ -3047,8 +3047,8 @@ bool ScDocFunc::DeleteTable( SCTAB nTab, bool bRecord, bool /* bApi */ )
     if ( bVbaEnabled )
         bRecord = false;
     bool bWasLinked = rDoc.IsLinked(nTab);
-    ScDocument* pUndoDoc = NULL;
-    ScRefUndoData* pUndoData = NULL;
+    ScDocument* pUndoDoc = nullptr;
+    ScRefUndoData* pUndoData = nullptr;
     if (bRecord)
     {
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -3400,8 +3400,8 @@ bool ScDocFunc::SetWidthOrHeight(
         //! Option "Formeln anzeigen" - woher nehmen?
     }
 
-    ScDocument*     pUndoDoc = NULL;
-    ScOutlineTable* pUndoTab = NULL;
+    ScDocument*     pUndoDoc = nullptr;
+    ScOutlineTable* pUndoTab = nullptr;
     std::vector<sc::ColRowSpan> aUndoRanges;
 
     if ( bRecord )
@@ -3448,7 +3448,7 @@ bool ScDocFunc::SetWidthOrHeight(
                     {
                         sal_uInt8 nOld = rDoc.GetRowFlags(nRow,nTab);
                         SCROW nLastRow = -1;
-                        bool bHidden = rDoc.RowHidden(nRow, nTab, NULL, &nLastRow);
+                        bool bHidden = rDoc.RowHidden(nRow, nTab, nullptr, &nLastRow);
                         if ( !bHidden && ( nOld & CR_MANUALSIZE ) )
                             rDoc.SetRowFlags( nRow, nTab, nOld & ~CR_MANUALSIZE );
                     }
@@ -3771,7 +3771,7 @@ bool ScDocFunc::Unprotect( SCTAB nTab, const OUString& rPassword, bool bApi )
             return false;
         }
 
-        rDoc.SetDocProtection(NULL);
+        rDoc.SetDocProtection(nullptr);
         if (rDoc.IsUndoEnabled())
         {
             pProtectCopy->setProtected(false);
@@ -3801,7 +3801,7 @@ bool ScDocFunc::Unprotect( SCTAB nTab, const OUString& rPassword, bool bApi )
             return false;
         }
 
-        rDoc.SetTabProtection(nTab, NULL);
+        rDoc.SetTabProtection(nTab, nullptr);
         if (rDoc.IsUndoEnabled())
         {
             pProtectCopy->setProtected(false);
@@ -3965,7 +3965,7 @@ bool ScDocFunc::AutoFormat( const ScRange& rRange, const ScMarkData* pTabMark,
         bool bSize = pAutoFormat->findByIndex(nFormatNo)->GetIncludeWidthHeight();
 
         SCTAB nTabCount = rDoc.GetTableCount();
-        ScDocument* pUndoDoc = NULL;
+        ScDocument* pUndoDoc = nullptr;
         if ( bRecord )
         {
             pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -4064,7 +4064,7 @@ bool ScDocFunc::EnterMatrix( const ScRange& rRange, const ScMarkData* pTabMark,
     {
         WaitObject aWait( ScDocShell::GetActiveDialogParent() );
 
-        ScDocument* pUndoDoc = NULL;
+        ScDocument* pUndoDoc = nullptr;
 
         const bool bUndo(rDoc.IsUndoEnabled());
         if (bUndo)
@@ -4100,7 +4100,7 @@ bool ScDocFunc::EnterMatrix( const ScRange& rRange, const ScMarkData* pTabMark,
         }
         else
             rDoc.InsertMatrixFormula( nStartCol, nStartRow, nEndCol, nEndRow,
-                    aMark, rString, NULL, eGrammar);
+                    aMark, rString, nullptr, eGrammar);
 
         if (bUndo)
         {
@@ -4319,7 +4319,7 @@ bool ScDocFunc::FillSimple( const ScRange& rRange, const ScMarkData* pTabMark,
                 break;
         }
 
-        ScDocument* pUndoDoc = NULL;
+        ScDocument* pUndoDoc = nullptr;
         if ( bRecord )
         {
             SCTAB nTabCount = rDoc.GetTableCount();
@@ -4434,7 +4434,7 @@ bool ScDocFunc::FillSeries( const ScRange& rRange, const ScMarkData* pTabMark,
                 break;
         }
 
-        ScDocument* pUndoDoc = NULL;
+        ScDocument* pUndoDoc = nullptr;
         if ( bRecord )
         {
             SCTAB nTabCount = rDoc.GetTableCount();
@@ -4583,7 +4583,7 @@ bool ScDocFunc::FillAuto( ScRange& rRange, const ScMarkData* pTabMark, FillDir e
 
     WaitObject aWait( ScDocShell::GetActiveDialogParent() );
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     if ( bRecord )
     {
         SCTAB nTabCount = rDoc.GetTableCount();
@@ -4675,7 +4675,7 @@ bool ScDocFunc::MergeCells( const ScCellMergeOption& rOption, bool bContents, bo
         }
     }
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     bool bNeedContentsUndo = false;
     for (set<SCTAB>::const_iterator itr = itrBeg; itr != itrEnd; ++itr)
     {
@@ -4728,7 +4728,7 @@ bool ScDocFunc::MergeCells( const ScCellMergeOption& rOption, bool bContents, bo
 
     if (pUndoDoc)
     {
-        SdrUndoGroup* pDrawUndo = rDoc.GetDrawLayer() ? rDoc.GetDrawLayer()->GetCalcUndo() : NULL;
+        SdrUndoGroup* pDrawUndo = rDoc.GetDrawLayer() ? rDoc.GetDrawLayer()->GetCalcUndo() : nullptr;
         rDocShell.GetUndoManager()->AddUndoAction(
             new ScUndoMerge(&rDocShell, rOption, bNeedContentsUndo, pUndoDoc, pDrawUndo) );
     }
@@ -4770,7 +4770,7 @@ bool ScDocFunc::UnmergeCells( const ScCellMergeOption& rOption, bool bRecord )
     if (bRecord && !rDoc.IsUndoEnabled())
         bRecord = false;
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     for (set<SCTAB>::const_iterator itr = rOption.maTabs.begin(), itrEnd = rOption.maTabs.end();
           itr != itrEnd; ++itr)
     {
@@ -5084,7 +5084,7 @@ bool ScDocFunc::InsertNameList( const ScAddress& rStartPos, bool bApi )
         ScEditableTester aTester( &rDoc, nTab, nStartCol,nStartRow, nEndCol,nEndRow );
         if (aTester.IsEditable())
         {
-            ScDocument* pUndoDoc = NULL;
+            ScDocument* pUndoDoc = nullptr;
 
             if (bRecord)
             {
@@ -5185,11 +5185,11 @@ bool ScDocFunc::ResizeMatrix( const ScRange& rOldRange, const ScAddress& rNewEnd
         if ( DeleteContents( aMark, InsertDeleteFlags::CONTENTS, true, bApi ) )
         {
             // GRAM_PODF_A1 for API compatibility.
-            bRet = EnterMatrix( aNewRange, &aMark, NULL, aFormula, bApi, false, EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_PODF_A1 );
+            bRet = EnterMatrix( aNewRange, &aMark, nullptr, aFormula, bApi, false, EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_PODF_A1 );
             if (!bRet)
             {
                 //  versuchen, alten Zustand wiederherzustellen
-                EnterMatrix( rOldRange, &aMark, NULL, aFormula, bApi, false, EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_PODF_A1 );
+                EnterMatrix( rOldRange, &aMark, nullptr, aFormula, bApi, false, EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_PODF_A1 );
             }
         }
 
@@ -5296,7 +5296,7 @@ void ScDocFunc::ReplaceConditionalFormat( sal_uLong nOldFormat, ScConditionalFor
         return;
 
     bool bUndo = rDoc.IsUndoEnabled();
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     ScRange aCombinedRange = rRanges.Combine();
     ScRange aCompleteRange;
     if(bUndo)
@@ -5408,7 +5408,7 @@ void ScDocFunc::ConvertFormulaToValue( const ScRange& rRange, bool bRecord, bool
     }
 
     sc::TableValues aUndoVals(rRange);
-    sc::TableValues* pUndoVals = bRecord ? &aUndoVals : NULL;
+    sc::TableValues* pUndoVals = bRecord ? &aUndoVals : nullptr;
 
     rDoc.ConvertFormulaToValue(rRange, pUndoVals);
 
diff --git a/sc/source/ui/docshell/docsh.cxx b/sc/source/ui/docshell/docsh.cxx
index 4f8dd2b39c20..62a489a8920a 100644
--- a/sc/source/ui/docshell/docsh.cxx
+++ b/sc/source/ui/docshell/docsh.cxx
@@ -262,7 +262,7 @@ void ScDocShell::BeforeXMLLoading()
     aDocument.EnableIdle(false);
 
     // prevent unnecessary broadcasts and updates
-    OSL_ENSURE(pModificator == NULL, "The Modificator should not exist");
+    OSL_ENSURE(pModificator == nullptr, "The Modificator should not exist");
     pModificator = new ScDocShellModificator( *this );
 
     aDocument.SetImportingXML( true );
@@ -369,7 +369,7 @@ void ScDocShell::AfterXMLLoading(bool bRet)
         if (eRecalcState == ScDocument::HARDRECALCSTATE_OFF)
             aDocument.SetHardRecalcState(ScDocument::HARDRECALCSTATE_TEMPORARY);
         delete pModificator;
-        pModificator = NULL;
+        pModificator = nullptr;
         aDocument.SetHardRecalcState(eRecalcState);
     }
     else
@@ -579,7 +579,7 @@ bool ScDocShell::Load( SfxMedium& rMedium )
             aDocument.GetStyleSheetPool()->CreateStandardStyles();
             aDocument.UpdStlShtPtrsFrmNms();
 
-            bRet = LoadXML( &rMedium, NULL );
+            bRet = LoadXML( &rMedium, nullptr );
         }
     }
 
@@ -667,7 +667,7 @@ void ScDocShell::Notify( SfxBroadcaster&, const SfxHint& rHint )
                         if ( SwitchToShared( true, false ) )
                         {
                             ScViewData* pViewData = GetViewData();
-                            ScTabView* pTabView = ( pViewData ? dynamic_cast< ScTabView* >( pViewData->GetView() ) : NULL );
+                            ScTabView* pTabView = ( pViewData ? dynamic_cast< ScTabView* >( pViewData->GetView() ) : nullptr );
                             if ( pTabView )
                             {
                                 pTabView->UpdateLayerLocks();
@@ -725,10 +725,10 @@ void ScDocShell::Notify( SfxBroadcaster&, const SfxHint& rHint )
                                 {
                                     uno::Reference< task::XJob > xJob( xFactory->createInstanceWithContext( xContext ), uno::UNO_QUERY_THROW );
                                     ScViewData* pViewData = GetViewData();
-                                    SfxViewShell* pViewShell = ( pViewData ? pViewData->GetViewShell() : NULL );
-                                    SfxViewFrame* pViewFrame = ( pViewShell ? pViewShell->GetViewFrame() : NULL );
-                                    SfxFrame* pFrame = ( pViewFrame ? &pViewFrame->GetFrame() : NULL );
-                                    uno::Reference< frame::XController > xController = ( pFrame ? pFrame->GetController() : 0 );
+                                    SfxViewShell* pViewShell = ( pViewData ? pViewData->GetViewShell() : nullptr );
+                                    SfxViewFrame* pViewFrame = ( pViewShell ? pViewShell->GetViewFrame() : nullptr );
+                                    SfxFrame* pFrame = ( pViewFrame ? &pViewFrame->GetFrame() : nullptr );
+                                    uno::Reference< frame::XController > xController = ( pFrame ? pFrame->GetController() : nullptr );
                                     uno::Reference< sheet::XSpreadsheetView > xSpreadsheetView( xController, uno::UNO_QUERY_THROW );
                                     uno::Sequence< beans::NamedValue > aArgsForJob { { "SpreadsheetView", uno::makeAny( xSpreadsheetView ) } };
                                     xJob->execute( aArgsForJob );
@@ -761,7 +761,7 @@ void ScDocShell::Notify( SfxBroadcaster&, const SfxHint& rHint )
                                 // check if shared flag is set in shared file
                                 bool bShared = false;
                                 ScModelObj* pDocObj = ScModelObj::getImplementation( xModel );
-                                ScDocShell* pSharedDocShell = ( pDocObj ? dynamic_cast< ScDocShell* >( pDocObj->GetObjectShell() ) : NULL );
+                                ScDocShell* pSharedDocShell = ( pDocObj ? dynamic_cast< ScDocShell* >( pDocObj->GetObjectShell() ) : nullptr );
                                 if ( pSharedDocShell )
                                 {
                                     bShared = pSharedDocShell->HasSharedXMLFlagSet();
@@ -987,7 +987,7 @@ bool ScDocShell::LoadFrom( SfxMedium& rMedium )
 
     //  until loading/saving only the styles in XML is implemented,
     //  load the whole file
-    bRet = LoadXML( &rMedium, NULL );
+    bRet = LoadXML( &rMedium, nullptr );
     InitItems();
 
     SfxObjectShell::LoadFrom( rMedium );
@@ -1064,7 +1064,7 @@ bool ScDocShell::ConvertFrom( SfxMedium& rMedium )
             aDocument.SetInsertingFromOtherDoc( true );
 
         if (aFltName == pFilterXML)
-            bRet = LoadXML( &rMedium, NULL );
+            bRet = LoadXML( &rMedium, nullptr );
         else if (aFltName == "StarCalc 1.0")
         {
             SvStream* pStream = rMedium.GetInStream();
@@ -1497,7 +1497,7 @@ bool ScDocShell::ConvertFrom( SfxMedium& rMedium )
         {
             // Update all rows in all tables.
             ScSizeDeviceProvider aProv(this);
-            ScDocRowHeightUpdater aUpdater(aDocument, aProv.GetDevice(), aProv.GetPPTX(), aProv.GetPPTY(), NULL);
+            ScDocRowHeightUpdater aUpdater(aDocument, aProv.GetDevice(), aProv.GetPPTX(), aProv.GetPPTY(), nullptr);
             aUpdater.update();
         }
         else if (!aRecalcRowRangesArray.empty())
@@ -1619,7 +1619,7 @@ bool ScDocShell::Save()
     //  wait cursor is handled with progress bar
     bool bRet = SfxObjectShell::Save();
     if( bRet )
-        bRet = SaveXML( GetMedium(), NULL );
+        bRet = SaveXML( GetMedium(), nullptr );
     return bRet;
 }
 
@@ -1689,7 +1689,7 @@ bool ScDocShell::SaveAs( SfxMedium& rMedium )
     {
         bRet = SfxObjectShell::SaveAs( rMedium );
         if (bRet)
-            bRet = SaveXML( &rMedium, NULL );
+            bRet = SaveXML( &rMedium, nullptr );
     }
     else
     {
@@ -1875,7 +1875,7 @@ void ScDocShell::AsciiSave( SvStream& rStream, const ScImportOptions& rAsciiOpt
     ScHorizontalCellIterator aIter( &aDocument, nTab, nStartCol, nStartRow,
         nEndCol, nEndRow );
     ScRefCellValue* pCell;
-    while ( ( pCell = aIter.GetNext( nCol, nRow ) ) != NULL )
+    while ( ( pCell = aIter.GetNext( nCol, nRow ) ) != nullptr )
     {
         bool bProgress = false;     // only upon line change
         if ( nNextRow < nRow )
@@ -2209,7 +2209,7 @@ bool ScDocShell::ConvertTo( SfxMedium &rMed )
     {
         //TODO/LATER: this shouldn't happen!
         OSL_FAIL("XML filter in ConvertFrom?!");
-        bRet = SaveXML( &rMed, NULL );
+        bRet = SaveXML( &rMed, nullptr );
     }
     else if (aFltName == pFilterExcel5 || aFltName == pFilterExcel95 ||
              aFltName == pFilterExcel97 || aFltName == pFilterEx5Temp ||
@@ -2231,7 +2231,7 @@ bool ScDocShell::ConvertTo( SfxMedium &rMed )
             if( (rMed.GetFilter()->GetFilterFlags() & SfxFilterFlags::ENCRYPTION) == SfxFilterFlags::NONE )
             {
                 SfxItemSet* pItemSet = rMed.GetItemSet();
-                const SfxPoolItem* pItem = 0;
+                const SfxPoolItem* pItem = nullptr;
                 if( pItemSet && pItemSet->GetItemState( SID_PASSWORD, true, &pItem ) == SfxItemState::SET )
                 {
                     bDoSave = ScWarnPassword::WarningOnPassword( rMed );
@@ -2508,10 +2508,10 @@ bool ScDocShell::PrepareClose( bool bUI )
         {
             SfxViewShell* p = pFrame->GetViewShell();
             ScTabViewShell* pViewSh = dynamic_cast< ScTabViewShell *>( p );
-            if(pViewSh!=NULL)
+            if(pViewSh!=nullptr)
             {
                 vcl::Window *pWin=pViewSh->GetWindow();
-                if(pWin!=NULL) pWin->GrabFocus();
+                if(pWin!=nullptr) pWin->GrabFocus();
             }
         }
 
@@ -2645,13 +2645,13 @@ ScDocShell::ScDocShell( const ScDocShell& rShell ) :
     bUpdateEnabled  ( true ),
     nDocumentLock   ( 0 ),
     nCanUpdate (css::document::UpdateDocMode::ACCORDING_TO_CONFIG),
-    pOldAutoDBRange ( NULL ),
-    pDocHelper      ( NULL ),
-    pAutoStyleList  ( NULL ),
-    pPaintLockData  ( NULL ),
-    pSolverSaveData ( NULL ),
-    pSheetSaveData  ( NULL ),
-    pModificator    ( NULL )
+    pOldAutoDBRange ( nullptr ),
+    pDocHelper      ( nullptr ),
+    pAutoStyleList  ( nullptr ),
+    pPaintLockData  ( nullptr ),
+    pSolverSaveData ( nullptr ),
+    pSheetSaveData  ( nullptr ),
+    pModificator    ( nullptr )
 #if ENABLE_TELEPATHY
     , mpCollaboration( new ScCollaboration( this ) )
 #endif
@@ -2670,7 +2670,7 @@ ScDocShell::ScDocShell( const ScDocShell& rShell ) :
     if (pStlPool)
         StartListening(*pStlPool);
 
-    GetPageOnFromPageStyleSet( NULL, 0, bHeaderOn, bFooterOn );
+    GetPageOnFromPageStyleSet( nullptr, 0, bHeaderOn, bFooterOn );
     SetHelpId( HID_SCSHELL_DOCSH );
 
     // InitItems and CalcOutputFactor are called now in Load/ConvertFrom/InitNew
@@ -2690,13 +2690,13 @@ ScDocShell::ScDocShell( const SfxModelFlags i_nSfxCreationFlags ) :
     bUpdateEnabled  ( true ),
     nDocumentLock   ( 0 ),
     nCanUpdate (css::document::UpdateDocMode::ACCORDING_TO_CONFIG),
-    pOldAutoDBRange ( NULL ),
-    pDocHelper      ( NULL ),
-    pAutoStyleList  ( NULL ),
-    pPaintLockData  ( NULL ),
-    pSolverSaveData ( NULL ),
-    pSheetSaveData  ( NULL ),
-    pModificator    ( NULL )
+    pOldAutoDBRange ( nullptr ),
+    pDocHelper      ( nullptr ),
+    pAutoStyleList  ( nullptr ),
+    pPaintLockData  ( nullptr ),
+    pSolverSaveData ( nullptr ),
+    pSheetSaveData  ( nullptr ),
+    pModificator    ( nullptr )
 #if ENABLE_TELEPATHY
     , mpCollaboration( new ScCollaboration( this ) )
 #endif
@@ -2740,7 +2740,7 @@ ScDocShell::~ScDocShell()
 
     delete pDocFunc;
     delete aDocument.mpUndoManager;
-    aDocument.mpUndoManager = 0;
+    aDocument.mpUndoManager = nullptr;
     delete pImpl;
 
     delete pPaintLockData;
@@ -2906,7 +2906,7 @@ VclPtr<SfxDocumentInfoDialog> ScDocShell::CreateDocumentInfoDialog(
         pDlg->AddTabPage( 42,
             ScGlobal::GetRscString( STR_DOC_STAT ),
             ScDocStatPageCreate,
-            NULL);
+            nullptr);
     }
     return pDlg;
 }
@@ -3103,7 +3103,7 @@ void ScDocShellModificator::SetDocumentModified()
 bool ScDocShell::IsChangeRecording() const
 {
     ScChangeTrack* pChangeTrack = aDocument.GetChangeTrack();
-    return pChangeTrack != NULL;
+    return pChangeTrack != nullptr;
 }
 
 bool ScDocShell::HasChangeRecordProtection() const
diff --git a/sc/source/ui/docshell/docsh2.cxx b/sc/source/ui/docshell/docsh2.cxx
index ea02ccf165a2..fd8cc681bd46 100644
--- a/sc/source/ui/docshell/docsh2.cxx
+++ b/sc/source/ui/docshell/docsh2.cxx
@@ -137,7 +137,7 @@ void ScDocShell::ResetDrawObjectShell()
 {
     ScDrawLayer* pDrawLayer = aDocument.GetDrawLayer();
     if (pDrawLayer)
-        pDrawLayer->SetObjectShell( NULL );
+        pDrawLayer->SetObjectShell( nullptr );
 }
 
 ScDrawLayer* ScDocShell::MakeDrawLayer()
diff --git a/sc/source/ui/docshell/docsh3.cxx b/sc/source/ui/docshell/docsh3.cxx
index 4ac965f4edf9..efcf435a26f0 100644
--- a/sc/source/ui/docshell/docsh3.cxx
+++ b/sc/source/ui/docshell/docsh3.cxx
@@ -229,7 +229,7 @@ void ScDocShell::UnlockPaint_Impl(bool bDoc)
             //      Paint jetzt ausfuehren
 
             ScPaintLockData* pPaint = pPaintLockData;
-            pPaintLockData = NULL;                      // nicht weitersammeln
+            pPaintLockData = nullptr;                      // nicht weitersammeln
 
             ScRangeListRef xRangeList = pPaint->GetRangeList();
             if (xRangeList)
@@ -438,7 +438,7 @@ void ScDocShell::UpdateFontList()
 {
     delete pImpl->pFontList;
     // pImpl->pFontList = new FontList( GetPrinter(), Application::GetDefaultDevice() );
-    pImpl->pFontList = new FontList( GetRefDevice(), NULL, false ); // sal_False or sal_True???
+    pImpl->pFontList = new FontList( GetRefDevice(), nullptr, false ); // sal_False or sal_True???
     SvxFontListItem aFontListItem( pImpl->pFontList, SID_ATTR_CHAR_FONTLIST );
     PutItem( aFontListItem );
 
@@ -554,11 +554,11 @@ ScChangeAction* ScDocShell::GetChangeAction( const ScAddress& rPos )
 {
     ScChangeTrack* pTrack = GetDocument().GetChangeTrack();
     if (!pTrack)
-        return NULL;
+        return nullptr;
 
     SCTAB nTab = rPos.Tab();
 
-    const ScChangeAction* pFound = NULL;
+    const ScChangeAction* pFound = nullptr;
     long nModified = 0;
     const ScChangeAction* pAction = pTrack->GetFirst();
     while (pAction)
@@ -850,7 +850,7 @@ void ScDocShell::MergeDocument( ScDocument& rOtherDoc, bool bShared, bool bCheck
                     {   // deleted Table enthaelt deleted Cols, die nicht
                         sal_uLong nStart, nEnd;
                         pSourceTrack->AppendDeleteRange(
-                            pDel->GetOverAllRange().MakeRange(), NULL, nStart, nEnd );
+                            pDel->GetOverAllRange().MakeRange(), nullptr, nStart, nEnd );
                     }
                 }
                 break;
@@ -858,7 +858,7 @@ void ScDocShell::MergeDocument( ScDocument& rOtherDoc, bool bShared, bool bCheck
                 {
                     const ScChangeActionMove* pMove = static_cast<const ScChangeActionMove*>(pThisAction);
                     pSourceTrack->AppendMove( pMove->GetFromRange().MakeRange(),
-                        pMove->GetBigRange().MakeRange(), NULL );
+                        pMove->GetBigRange().MakeRange(), nullptr );
                 }
                 break;
                 default:
@@ -996,7 +996,7 @@ void ScDocShell::MergeDocument( ScDocument& rOtherDoc, bool bShared, bool bCheck
                                     aSourceRange.aEnd.SetRow( aPos.Row() + nRows - 1 );
                                     aValue = aValue.copy(1, aValue.getLength()-2); // remove the 1st and last characters.
                                     GetDocFunc().EnterMatrix( aSourceRange,
-                                        NULL, NULL, aValue, false, false,
+                                        nullptr, nullptr, aValue, false, false,
                                         EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_DEFAULT );
                                 }
                                 break;
@@ -1013,10 +1013,10 @@ void ScDocShell::MergeDocument( ScDocument& rOtherDoc, bool bShared, bool bCheck
                         }
                         break;
                         case SC_CAT_INSERT_ROWS:
-                            GetDocFunc().InsertCells( aSourceRange, NULL, INS_INSROWS_BEFORE, true, false );
+                            GetDocFunc().InsertCells( aSourceRange, nullptr, INS_INSROWS_BEFORE, true, false );
                         break;
                         case SC_CAT_INSERT_COLS:
-                            GetDocFunc().InsertCells( aSourceRange, NULL, INS_INSCOLS_BEFORE, true, false );
+                            GetDocFunc().InsertCells( aSourceRange, nullptr, INS_INSCOLS_BEFORE, true, false );
                         break;
                         case SC_CAT_DELETE_TABS :
                             GetDocFunc().DeleteTable( aSourceRange.aStart.Tab(), true, false );
@@ -1027,7 +1027,7 @@ void ScDocShell::MergeDocument( ScDocument& rOtherDoc, bool bShared, bool bCheck
                             if ( pDel->IsTopDelete() )
                             {
                                 aSourceRange = pDel->GetOverAllRange().MakeRange();
-                                GetDocFunc().DeleteCells( aSourceRange, NULL, DEL_DELROWS, true, false );
+                                GetDocFunc().DeleteCells( aSourceRange, nullptr, DEL_DELROWS, true, false );
 
                                 // #i101099# [Collaboration] Changes are not correctly shown
                                 if ( bShared )
@@ -1047,7 +1047,7 @@ void ScDocShell::MergeDocument( ScDocument& rOtherDoc, bool bShared, bool bCheck
                             if ( pDel->IsTopDelete() && !pDel->IsTabDeleteCol() )
                             {   // deleted Table enthaelt deleted Cols, die nicht
                                 aSourceRange = pDel->GetOverAllRange().MakeRange();
-                                GetDocFunc().DeleteCells( aSourceRange, NULL, DEL_DELCOLS, true, false );
+                                GetDocFunc().DeleteCells( aSourceRange, nullptr, DEL_DELCOLS, true, false );
                             }
                         }
                         break;
@@ -1190,7 +1190,7 @@ bool ScDocShell::MergeSharedDocument( ScDocShell* pSharedDocShell )
             ScConflictsFinder aFinder( pSharedTrack, nActStartShared, nActEndShared, nActStartOwn, nActEndOwn, aConflictsList );
             if ( aFinder.Find() )
             {
-                ScConflictsListHelper::TransformConflictsList( aConflictsList, NULL, &aOwnInverseMergeMap );
+                ScConflictsListHelper::TransformConflictsList( aConflictsList, nullptr, &aOwnInverseMergeMap );
                 bool bLoop = true;
                 while ( bLoop )
                 {
@@ -1245,7 +1245,7 @@ bool ScDocShell::MergeSharedDocument( ScDocShell* pSharedDocShell )
             // resolve conflicts for shared non-content actions
             if ( !aConflictsList.empty() )
             {
-                ScConflictsListHelper::TransformConflictsList( aConflictsList, &aSharedMergeMap, NULL );
+                ScConflictsListHelper::TransformConflictsList( aConflictsList, &aSharedMergeMap, nullptr );
                 ScConflictsResolver aResolver( pThisTrack, aConflictsList );
                 pAction = pThisTrack->GetAction( nEndShared );
                 while ( pAction && pAction->GetActionNumber() >= nStartShared )
@@ -1274,7 +1274,7 @@ bool ScDocShell::MergeSharedDocument( ScDocShell* pSharedDocShell )
             // resolve conflicts for shared content actions and own actions
             if ( !aConflictsList.empty() )
             {
-                ScConflictsListHelper::TransformConflictsList( aConflictsList, NULL, &aOwnMergeMap );
+                ScConflictsListHelper::TransformConflictsList( aConflictsList, nullptr, &aOwnMergeMap );
                 ScConflictsResolver aResolver( pThisTrack, aConflictsList );
                 pAction = pThisTrack->GetAction( nEndShared );
                 while ( pAction && pAction->GetActionNumber() >= nStartShared )
@@ -1317,7 +1317,7 @@ bool ScDocShell::MergeSharedDocument( ScDocShell* pSharedDocShell )
         aInfoBox->Execute();
     }
 
-    return ( pThisAction != NULL );
+    return ( pThisAction != nullptr );
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/docshell/docsh4.cxx b/sc/source/ui/docshell/docsh4.cxx
index e3fc6a37038b..e729d1e46231 100644
--- a/sc/source/ui/docshell/docsh4.cxx
+++ b/sc/source/ui/docshell/docsh4.cxx
@@ -571,14 +571,14 @@ void ScDocShell::Execute( SfxRequest& rReq )
 
                 // xmlsec05/06:
                 // getting real parent window when called from Security-Options TP
-                vcl::Window* pParent = NULL;
+                vcl::Window* pParent = nullptr;
                 const SfxPoolItem* pParentItem;
                 if( pReqArgs && SfxItemState::SET == pReqArgs->GetItemState( SID_ATTR_XWINDOW, false, &pParentItem ) )
                     pParent = static_cast<const XWindowItem*>( pParentItem )->GetWindowPtr();
 
                 // desired state
                 ScChangeTrack* pChangeTrack = rDoc.GetChangeTrack();
-                bool bActivateTracking = (pChangeTrack == 0);   // toggle
+                bool bActivateTracking = (pChangeTrack == nullptr);   // toggle
                 if ( pItem )
                     bActivateTracking = pItem->GetValue();      // from argument
 
@@ -598,7 +598,7 @@ void ScDocShell::Execute( SfxRequest& rReq )
                         if (pChangeTrack)
                         {
                             if ( pChangeTrack->IsProtected() )
-                                bDo = ExecuteChangeProtectionDialog( NULL );
+                                bDo = ExecuteChangeProtectionDialog( nullptr );
                         }
                         if ( bDo )
                         {
@@ -633,7 +633,7 @@ void ScDocShell::Execute( SfxRequest& rReq )
 
         case SID_CHG_PROTECT :
             {
-                vcl::Window* pParent = NULL;
+                vcl::Window* pParent = nullptr;
                 const SfxPoolItem* pParentItem;
                 if( pReqArgs && SfxItemState::SET == pReqArgs->GetItemState( SID_ATTR_XWINDOW, false, &pParentItem ) )
                     pParent = static_cast<const XWindowItem*>( pParentItem )->GetWindowPtr();
@@ -660,12 +660,12 @@ void ScDocShell::Execute( SfxRequest& rReq )
                             WinBits(WB_YES_NO | WB_DEF_NO),
                             ScGlobal::GetRscString( STR_END_REDLINING ) );
                         if( aBox->Execute() == RET_YES )
-                            bDo = ExecuteChangeProtectionDialog( NULL, true );
+                            bDo = ExecuteChangeProtectionDialog( nullptr, true );
                         else
                             bDo = false;
                     }
                     else    // merge might reject some actions
-                        bDo = ExecuteChangeProtectionDialog( NULL, true );
+                        bDo = ExecuteChangeProtectionDialog( nullptr, true );
                 }
                 if ( !bDo )
                 {
@@ -675,7 +675,7 @@ void ScDocShell::Execute( SfxRequest& rReq )
                 SfxApplication* pApp = SfxGetpApp();
                 const SfxPoolItem* pItem;
                 const SfxStringItem* pStringItem(nullptr);
-                SfxMedium* pMed = NULL;
+                SfxMedium* pMed = nullptr;
                 if (pReqArgs && pReqArgs->GetItemState(SID_FILE_NAME, true, &pItem) == SfxItemState::SET)
                 {
                     pStringItem = dynamic_cast<const SfxStringItem*>(pItem);
@@ -752,7 +752,7 @@ void ScDocShell::Execute( SfxRequest& rReq )
 
                     if ( !pOtherDocSh->GetError() )                 // nur Errors
                     {
-                        bool bHadTrack = ( aDocument.GetChangeTrack() != NULL );
+                        bool bHadTrack = ( aDocument.GetChangeTrack() != nullptr );
 #if HAVE_FEATURE_MULTIUSER_ENVIRONMENT
                         sal_uLong nStart = 0;
                         if ( nSlot == SID_DOCUMENT_MERGE && pChangeTrack )
@@ -1535,10 +1535,10 @@ void ScDocShell::ExecutePageStyle( SfxViewShell& rCaller,
         case SID_STATUS_PAGESTYLE:  // Click auf StatusBar-Control
         case SID_FORMATPAGE:
             {
-                if ( pReqArgs != NULL )
+                if ( pReqArgs != nullptr )
                 {
                 }
-                else if ( pReqArgs == NULL )
+                else if ( pReqArgs == nullptr )
                 {
                     OUString aOldName = aDocument.GetPageStyle( nCurTab );
                     ScStyleSheetPool* pStylePool = aDocument.GetStyleSheetPool();
@@ -1609,10 +1609,10 @@ void ScDocShell::ExecutePageStyle( SfxViewShell& rCaller,
 
         case SID_HFEDIT:
             {
-                if ( pReqArgs != NULL )
+                if ( pReqArgs != nullptr )
                 {
                 }
-                else if ( pReqArgs == NULL )
+                else if ( pReqArgs == nullptr )
                 {
                     OUString aStr( aDocument.GetPageStyle( nCurTab ) );
 
@@ -1780,7 +1780,7 @@ void ScDocShell::GetStatePageStyle( SfxViewShell&   /* rCaller */,
 
 void ScDocShell::GetState( SfxItemSet &rSet )
 {
-    bool bTabView = GetBestViewShell() != NULL;
+    bool bTabView = GetBestViewShell() != nullptr;
 
     SfxWhichIter aIter(rSet);
     for (sal_uInt16 nWhich = aIter.FirstWhich(); nWhich; nWhich = aIter.NextWhich())
@@ -1805,7 +1805,7 @@ void ScDocShell::GetState( SfxItemSet &rSet )
                     rSet.DisableItem( nWhich );
                 else
                     rSet.Put( SfxBoolItem( nWhich,
-                        aDocument.GetChangeTrack() != NULL ) );
+                        aDocument.GetChangeTrack() != nullptr ) );
                 break;
 
             case SID_CHG_PROTECT:
@@ -1887,7 +1887,7 @@ void ScDocShell::Draw( OutputDevice* pDev, const JobSetup & /* rSetup */, sal_uI
     if ( nAspect == ASPECT_THUMBNAIL )
     {
         Rectangle aBoundRect = GetVisArea( ASPECT_THUMBNAIL );
-        ScViewData aTmpData( this, NULL );
+        ScViewData aTmpData( this, nullptr );
         aTmpData.SetTabNo(nVisTab);
         SnapVisArea( aBoundRect );
         aTmpData.SetScreen( aBoundRect );
@@ -1896,7 +1896,7 @@ void ScDocShell::Draw( OutputDevice* pDev, const JobSetup & /* rSetup */, sal_uI
     else
     {
         Rectangle aBoundRect = SfxObjectShell::GetVisArea();
-        ScViewData aTmpData( this, NULL );
+        ScViewData aTmpData( this, nullptr );
         aTmpData.SetTabNo(nVisTab);
         SnapVisArea( aBoundRect );
         aTmpData.SetScreen( aBoundRect );
@@ -2002,7 +2002,7 @@ void SnapVer( const ScDocument& rDoc, SCTAB nTab, long& rVal, SCROW& rStartRow )
     for (SCROW i = nRow; i <= MAXROW; ++i)
     {
         SCROW nLastRow;
-        if (rDoc.RowHidden(i, nTab, NULL, &nLastRow))
+        if (rDoc.RowHidden(i, nTab, nullptr, &nLastRow))
         {
             i = nLastRow;
             continue;
@@ -2075,8 +2075,8 @@ void ScDocShell::GetPageOnFromPageStyleSet( const SfxItemSet* pStyleSet,
     if (!pStyleSet)
         return;
 
-    const SvxSetItem*   pSetItem = NULL;
-    const SfxItemSet*   pSet     = NULL;
+    const SvxSetItem*   pSetItem = nullptr;
+    const SfxItemSet*   pSet     = nullptr;
 
     pSetItem = static_cast<const SvxSetItem*>( &pStyleSet->Get( ATTR_PAGE_HEADERSET ) );
     pSet     = &pSetItem->GetItemSet();
@@ -2201,7 +2201,7 @@ bool ScDocShell::DdeSetData( const OUString& rItem,
     bool bValid = ( (aRange.Parse(aPos, &aDocument, formula::FormulaGrammar::CONV_OOO ) & SCA_VALID) ||
                     (aRange.aStart.Parse(aPos, &aDocument, formula::FormulaGrammar::CONV_OOO) & SCA_VALID) );
 
-    ScServerObject* pObj = NULL;            // NULL = error
+    ScServerObject* pObj = nullptr;            // NULL = error
     if ( bValid )
         pObj = new ScServerObject( this, rItem );
 
@@ -2214,7 +2214,7 @@ ScViewData* ScDocShell::GetViewData()
 {
     SfxViewShell* pCur = SfxViewShell::Current();
     ScTabViewShell* pViewSh = dynamic_cast< ScTabViewShell *>( pCur );
-    return pViewSh ? &pViewSh->GetViewData() : NULL;
+    return pViewSh ? &pViewSh->GetViewData() : nullptr;
 }
 
 SCTAB ScDocShell::GetCurTab()
@@ -2231,7 +2231,7 @@ ScTabViewShell* ScDocShell::GetBestViewShell( bool bOnlyVisible )
     ScTabViewShell* pViewSh = ScTabViewShell::GetActiveViewShell();
     // falsches Doc?
     if( pViewSh && pViewSh->GetViewData().GetDocShell() != this )
-        pViewSh = NULL;
+        pViewSh = nullptr;
     if( !pViewSh )
     {
         // 1. ViewShell suchen
@@ -2253,12 +2253,12 @@ SfxBindings* ScDocShell::GetViewBindings()
     if (pViewSh)
         return &pViewSh->GetViewFrame()->GetBindings();
     else
-        return NULL;
+        return nullptr;
 }
 
 ScDocShell* ScDocShell::GetShellByNum( sal_uInt16 nDocNo )      // static
 {
-    ScDocShell* pFound = NULL;
+    ScDocShell* pFound = nullptr;
     SfxObjectShell* pShell = SfxObjectShell::GetFirst();
     sal_uInt16 nShellCnt = 0;
 
@@ -2299,7 +2299,7 @@ IMPL_LINK_TYPED( ScDocShell, DialogClosedHdl, sfx2::FileDialogHelper*, _pFileDlg
                 if ( !sOptions.isEmpty() )
                     pImpl->pRequest->AppendItem( SfxStringItem( SID_FILE_FILTEROPTIONS, sOptions ) );
             }
-            const SfxPoolItem* pItem = NULL;
+            const SfxPoolItem* pItem = nullptr;
             const SfxInt16Item* pInt16Item(nullptr);
             SfxItemSet* pSet = pMed->GetItemSet();
             if (pSet && pSet->GetItemState(SID_VERSION, true, &pItem) == SfxItemState::SET)
diff --git a/sc/source/ui/docshell/docsh5.cxx b/sc/source/ui/docshell/docsh5.cxx
index 6150dabfeac1..a2d7dd018549 100644
--- a/sc/source/ui/docshell/docsh5.cxx
+++ b/sc/source/ui/docshell/docsh5.cxx
@@ -193,7 +193,7 @@ ScDBData* ScDocShell::GetDBData( const ScRange& rMarked, ScGetDBMode eMode, ScGe
     }
     else if ( eMode == SC_DB_OLD )
     {
-        pData = NULL;                           // nichts gefunden
+        pData = nullptr;                           // nichts gefunden
         nStartCol = nEndCol = nCol;
         nStartRow = nEndRow = nRow;
         nStartTab = nEndTab = nTab;
@@ -272,7 +272,7 @@ ScDBData* ScDocShell::GetDBData( const ScRange& rMarked, ScGetDBMode eMode, ScGe
         }
         else
         {
-            ScDBCollection* pUndoColl = NULL;
+            ScDBCollection* pUndoColl = nullptr;
 
             OUString aNewName;
             if (eMode==SC_DB_IMPORT)
@@ -282,7 +282,7 @@ ScDBData* ScDocShell::GetDBData( const ScRange& rMarked, ScGetDBMode eMode, ScGe
 
                 OUString aImport = ScGlobal::GetRscString( STR_DBNAME_IMPORT );
                 long nCount = 0;
-                const ScDBData* pDummy = NULL;
+                const ScDBData* pDummy = nullptr;
                 ScDBCollection::NamedDBs& rDBs = pColl->getNamedDBs();
                 do
                 {
@@ -331,11 +331,11 @@ ScDBData* ScDocShell::GetAnonymousDBData(const ScRange& rRange)
 {
     ScDBCollection* pColl = aDocument.GetDBCollection();
     if (!pColl)
-        return NULL;
+        return nullptr;
 
     ScDBData* pData = pColl->getAnonDBs().getByRange(rRange);
     if (!pData)
-        return NULL;
+        return nullptr;
 
     if (!pData->HasHeader())
     {
@@ -350,7 +350,7 @@ ScDBData* ScDocShell::GetAnonymousDBData(const ScRange& rRange)
 ScDBData* ScDocShell::GetOldAutoDBRange()
 {
     ScDBData* pRet = pOldAutoDBRange;
-    pOldAutoDBRange = NULL;
+    pOldAutoDBRange = nullptr;
     return pRet;                    // has to be deleted by caller!
 }
 
@@ -384,7 +384,7 @@ void ScDocShell::CancelAutoDBRange()
         }
 
         delete pOldAutoDBRange;
-        pOldAutoDBRange = NULL;
+        pOldAutoDBRange = nullptr;
     }
 }
 
@@ -548,7 +548,7 @@ void ScDocShell::DoConsolidate( const ScConsolidateParam& rParam, bool bRecord )
     aData.GetSize( nColSize, nRowSize );
     if (bRecord && nColSize > 0 && nRowSize > 0)
     {
-        ScDBData* pUndoData = pDestData ? new ScDBData(*pDestData) : NULL;
+        ScDBData* pUndoData = pDestData ? new ScDBData(*pDestData) : nullptr;
 
         SCTAB nDestTab = rParam.nTab;
         ScArea aDestArea( rParam.nTab, rParam.nCol, rParam.nRow,
@@ -563,7 +563,7 @@ void ScDocShell::DoConsolidate( const ScConsolidateParam& rParam, bool bRecord )
 
             // alte Outlines
             ScOutlineTable* pTable = aDocument.GetOutlineTable( nDestTab );
-            ScOutlineTable* pUndoTab = pTable ? new ScOutlineTable( *pTable ) : NULL;
+            ScOutlineTable* pUndoTab = pTable ? new ScOutlineTable( *pTable ) : nullptr;
 
             ScDocument* pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
             pUndoDoc->InitUndo( &aDocument, 0, nTabCount-1, false, true );
@@ -604,7 +604,7 @@ void ScDocShell::DoConsolidate( const ScConsolidateParam& rParam, bool bRecord )
 
             GetUndoManager()->AddUndoAction(
                     new ScUndoConsolidate( this, aDestArea, rParam, pUndoDoc,
-                                            false, 0, NULL, pUndoData ) );
+                                            false, 0, nullptr, pUndoData ) );
         }
     }
 
@@ -781,7 +781,7 @@ SCTAB ScDocShell::MakeScenario( SCTAB nTab, const OUString& rName, const OUStrin
             ++nNewTab;
 
         bool bCopyAll = ( (nFlags & SC_SCENARIO_COPYALL) != 0 );
-        const ScMarkData* pCopyMark = NULL;
+        const ScMarkData* pCopyMark = nullptr;
         if (!bCopyAll)
             pCopyMark = &rMark;
 
@@ -1011,7 +1011,7 @@ IMPL_LINK_TYPED( ScDocShell, RefreshDBDataHdl, Timer*, pRefreshTimer, void )
     {
         ScRange aRange;
         pDBData->GetArea( aRange );
-        bool bContinue = aFunc.DoImport( aRange.aStart.Tab(), aImportParam, NULL, true ); //! Api-Flag as parameter
+        bool bContinue = aFunc.DoImport( aRange.aStart.Tab(), aImportParam, nullptr, true ); //! Api-Flag as parameter
         // internal operations (sort, query, subtotal) only if no error
         if (bContinue)
         {
diff --git a/sc/source/ui/docshell/docsh6.cxx b/sc/source/ui/docshell/docsh6.cxx
index 04654b36ba69..1e05785e810d 100644
--- a/sc/source/ui/docshell/docsh6.cxx
+++ b/sc/source/ui/docshell/docsh6.cxx
@@ -472,7 +472,7 @@ void ScDocShell::SetFormulaOptions( const ScFormulaOptions& rOpt, bool bForLoadi
             if (rOpt.GetUseEnglishFuncName())
             {
                 // switch native symbols to English.
-                ScCompiler aComp(NULL, ScAddress());
+                ScCompiler aComp(nullptr, ScAddress());
                 ScCompiler::OpCodeMapPtr xMap = aComp.GetOpCodeMap(css::sheet::FormulaLanguage::ENGLISH);
                 ScCompiler::SetNativeSymbols(xMap);
             }
diff --git a/sc/source/ui/docshell/docsh8.cxx b/sc/source/ui/docshell/docsh8.cxx
index 46468de4cfd7..35cd59f0306e 100644
--- a/sc/source/ui/docshell/docsh8.cxx
+++ b/sc/source/ui/docshell/docsh8.cxx
@@ -1068,9 +1068,9 @@ sal_uLong ScDocShell::DBaseExport( const OUString& rFullFileName, rtl_TextEncodi
             const sal_Int32* pColLengths = aColLengths.getConstArray();
             ScHorizontalCellIterator aIter( &aDocument, nTab, nFirstCol,
                     nDocRow, nLastCol, nDocRow);
-            ScRefCellValue* pCell = NULL;
+            ScRefCellValue* pCell = nullptr;
             bool bTest = true;
-            while (bTest && ((pCell = aIter.GetNext( nDocCol, nDocRow)) != NULL))
+            while (bTest && ((pCell = aIter.GetNext( nDocCol, nDocRow)) != nullptr))
             {
                 SCCOL nCol = nDocCol - nFirstCol;
                 switch (pColTypes[nCol])
diff --git a/sc/source/ui/docshell/docshimp.hxx b/sc/source/ui/docshell/docshimp.hxx
index a9068cfda859..9acec21110b7 100644
--- a/sc/source/ui/docshell/docshimp.hxx
+++ b/sc/source/ui/docshell/docshimp.hxx
@@ -32,9 +32,9 @@ struct DocShell_Impl
 
     DocShell_Impl() :
           bIgnoreLostRedliningWarning( false )
-        , pFontList( NULL )
-        , pDocInserter( NULL )
-        , pRequest( NULL )
+        , pFontList( nullptr )
+        , pDocInserter( nullptr )
+        , pRequest( nullptr )
     {}
 
     ~DocShell_Impl()
diff --git a/sc/source/ui/docshell/externalrefmgr.cxx b/sc/source/ui/docshell/externalrefmgr.cxx
index c442f1b84818..d2fa8d6f93b0 100644
--- a/sc/source/ui/docshell/externalrefmgr.cxx
+++ b/sc/source/ui/docshell/externalrefmgr.cxx
@@ -492,7 +492,7 @@ const OUString* ScExternalRefCache::getRealTableName(sal_uInt16 nFileId, const O
     if (itrDoc == maDocs.end())
     {
         // specified document is not cached.
-        return NULL;
+        return nullptr;
     }
 
     const DocItem& rDoc = itrDoc->second;
@@ -501,7 +501,7 @@ const OUString* ScExternalRefCache::getRealTableName(sal_uInt16 nFileId, const O
     if (itrTabId == rDoc.maTableNameIndex.end())
     {
         // the specified table is not in cache.
-        return NULL;
+        return nullptr;
     }
 
     return &rDoc.maTableNames[itrTabId->second].maRealName;
@@ -515,7 +515,7 @@ const OUString* ScExternalRefCache::getRealRangeName(sal_uInt16 nFileId, const O
     if (itrDoc == maDocs.end())
     {
         // specified document is not cached.
-        return NULL;
+        return nullptr;
     }
 
     const DocItem& rDoc = itrDoc->second;
@@ -523,7 +523,7 @@ const OUString* ScExternalRefCache::getRealRangeName(sal_uInt16 nFileId, const O
         ScGlobal::pCharClass->uppercase(rRangeName));
     if (itr == rDoc.maRealRangeNameMap.end())
         // range name not found.
-        return NULL;
+        return nullptr;
 
     return &itr->second;
 }
@@ -1276,7 +1276,7 @@ ScExternalRefCache::DocItem* ScExternalRefCache::getDocItem(sal_uInt16 nFileId)
 
         if (!res.second)
             // insertion failed.
-            return NULL;
+            return nullptr;
 
         itrDoc = res.first;
     }
@@ -1309,7 +1309,7 @@ void ScExternalRefLink::Closed()
         return SUCCESS;
 
     OUString aFile, aFilter;
-    sfx2::LinkManager::GetDisplayNames(this, NULL, &aFile, NULL, &aFilter);
+    sfx2::LinkManager::GetDisplayNames(this, nullptr, &aFile, nullptr, &aFilter);
     ScExternalRefManager* pMgr = mpDoc->GetExternalRefManager();
 
     if (!pMgr->isFileLoadable(aFile))
@@ -1388,7 +1388,7 @@ static FormulaToken* convertToToken( ScDocument* pHostDoc, ScDocument* pSrcDoc,
             OSL_FAIL("attempted to convert an unknown cell type.");
     }
 
-    return NULL;
+    return nullptr;
 }
 
 template<class T>
@@ -1477,7 +1477,7 @@ static std::unique_ptr<ScTokenArray> convertToTokenArray(
         // future we can introduce a new stack variable type svMatrixList with
         // a new token type that can store a 3D matrix value and convert a 3D
         // range to it.
-        return NULL;
+        return nullptr;
 
     std::unique_ptr<ScRange> pUsedRange;
 
@@ -1570,7 +1570,7 @@ static std::unique_ptr<ScTokenArray> convertToTokenArray(
     }
 
     if (!pUsedRange.get())
-        return NULL;
+        return nullptr;
 
     s.SetCol(pUsedRange->aStart.Col());
     s.SetRow(pUsedRange->aStart.Row());
@@ -1766,7 +1766,7 @@ void putRangeDataIntoCache(
         // Make sure to set this range 'cached', to prevent unnecessarily
         // accessing the src document time and time again.
         ScExternalRefCache::TableTypeRef pCacheTab =
-            rRefCache.getCacheTable(nFileId, rTabName, true, NULL);
+            rRefCache.getCacheTable(nFileId, rTabName, true, nullptr);
         if (pCacheTab)
             pCacheTab->setCachedCellRange(
                 rCacheRange.aStart.Col(), rCacheRange.aStart.Row(), rCacheRange.aEnd.Col(), rCacheRange.aEnd.Row());
@@ -1888,7 +1888,7 @@ ScExternalRefCache::TokenRef ScExternalRefManager::getSingleRefToken(
         // this data, but add it to the cached range to prevent accessing the
         // source document time and time again.
         ScExternalRefCache::TableTypeRef pCacheTab =
-            maRefCache.getCacheTable(nFileId, rTabName, true, NULL);
+            maRefCache.getCacheTable(nFileId, rTabName, true, nullptr);
         if (pCacheTab)
             pCacheTab->setCachedCell(rCell.Col(), rCell.Row());
 
@@ -1998,7 +1998,7 @@ bool hasRangeName(ScDocument& rDoc, const OUString& rName)
     ScRangeName* pExtNames = rDoc.GetRangeName();
     OUString aUpperName = ScGlobal::pCharClass->uppercase(rName);
     const ScRangeData* pRangeData = pExtNames->findByUpperName(aUpperName);
-    return pRangeData != NULL;
+    return pRangeData != nullptr;
 }
 
 }
@@ -2276,9 +2276,9 @@ ScDocument* ScExternalRefManager::getInMemorySrcDocument(sal_uInt16 nFileId)
 {
     const OUString* pFileName = getExternalFileName(nFileId);
     if (!pFileName)
-        return NULL;
+        return nullptr;
 
-    ScDocument* pSrcDoc = NULL;
+    ScDocument* pSrcDoc = nullptr;
     ScDocShell* pShell = static_cast<ScDocShell*>(SfxObjectShell::GetFirst(checkSfxObjectShell<ScDocShell>, false));
     while (pShell)
     {
@@ -2318,7 +2318,7 @@ ScDocument* ScExternalRefManager::getInMemorySrcDocument(sal_uInt16 nFileId)
 ScDocument* ScExternalRefManager::getSrcDocument(sal_uInt16 nFileId)
 {
     if (!mpDoc->IsExecuteLinkEnabled())
-        return NULL;
+        return nullptr;
 
     DocShellMap::iterator itrEnd = maDocShells.end();
     DocShellMap::iterator itr = maDocShells.find(nFileId);
@@ -2346,7 +2346,7 @@ ScDocument* ScExternalRefManager::getSrcDocument(sal_uInt16 nFileId)
     const OUString* pFile = getExternalFileName(nFileId);
     if (!pFile)
         // no file name associated with this ID.
-        return NULL;
+        return nullptr;
 
     OUString aFilter;
     SrcShell aSrcDoc;
@@ -2360,7 +2360,7 @@ ScDocument* ScExternalRefManager::getSrcDocument(sal_uInt16 nFileId)
     if (!aSrcDoc.maShell.Is())
     {
         // source document could not be loaded.
-        return NULL;
+        return nullptr;
     }
 
     return &cacheNewDocShell(nFileId, aSrcDoc);
@@ -2370,7 +2370,7 @@ SfxObjectShellRef ScExternalRefManager::loadSrcDocument(sal_uInt16 nFileId, OUSt
 {
     const SrcFileData* pFileData = getExternalFileData(nFileId);
     if (!pFileData)
-        return NULL;
+        return nullptr;
 
     // Always load the document by using the path created from the relative
     // path.  If the referenced document is not there, simply exit.  The
@@ -2382,7 +2382,7 @@ SfxObjectShellRef ScExternalRefManager::loadSrcDocument(sal_uInt16 nFileId, OUSt
         aFile = pFileData->maRealFileName;
 
     if (!isFileLoadable(aFile))
-        return NULL;
+        return nullptr;
 
     OUString aOptions = pFileData->maFilterOptions;
     if ( !pFileData->maFilterName.isEmpty() )
@@ -2428,7 +2428,7 @@ SfxObjectShellRef ScExternalRefManager::loadSrcDocument(sal_uInt16 nFileId, OUSt
 
     unique_ptr<SfxMedium> pMedium(new SfxMedium(aFile, STREAM_STD_READ, pFilter, pSet));
     if (pMedium->GetError() != ERRCODE_NONE)
-        return NULL;
+        return nullptr;
 
     // To load encrypted documents with password, user interaction needs to be enabled.
     pMedium->UseInteractionHandler(mbUserInteractionEnabled);
@@ -2624,7 +2624,7 @@ sal_uInt16 ScExternalRefManager::getExternalFileId(const OUString& rFile)
 const OUString* ScExternalRefManager::getExternalFileName(sal_uInt16 nFileId, bool bForceOriginal)
 {
     if (nFileId >= maSrcFiles.size())
-        return NULL;
+        return nullptr;
 
     if (bForceOriginal)
         return &maSrcFiles[nFileId].maFileName;
@@ -2664,7 +2664,7 @@ bool ScExternalRefManager::hasExternalFile(const OUString& rFile) const
 const ScExternalRefManager::SrcFileData* ScExternalRefManager::getExternalFileData(sal_uInt16 nFileId) const
 {
     if (nFileId >= maSrcFiles.size())
-        return NULL;
+        return nullptr;
 
     return &maSrcFiles[nFileId];
 }
@@ -2710,7 +2710,7 @@ class RefCacheFiller : public sc::ColumnSpanSet::ColumnAction
 
 public:
     RefCacheFiller( svl::SharedStringPool& rStrPool, ScExternalRefCache& rRefCache, sal_uInt16 nFileId ) :
-        mrStrPool(rStrPool), mrRefCache(rRefCache), mnFileId(nFileId), mpCurCol(NULL) {}
+        mrStrPool(rStrPool), mrRefCache(rRefCache), mnFileId(nFileId), mpCurCol(nullptr) {}
 
     virtual void startColumn( ScColumn* pCol ) override
     {
diff --git a/sc/source/ui/docshell/impex.cxx b/sc/source/ui/docshell/impex.cxx
index 55bbaede553f..1f84bdcf1da6 100644
--- a/sc/source/ui/docshell/impex.cxx
+++ b/sc/source/ui/docshell/impex.cxx
@@ -88,8 +88,8 @@ ScImportExport::ScImportExport( ScDocument* p )
       mbApi( true ), mbImportBroadcast(false), mbOverwriting( false ),
       mExportTextOptions()
 {
-    pUndoDoc = NULL;
-    pExtOptions = NULL;
+    pUndoDoc = nullptr;
+    pExtOptions = nullptr;
 }
 
 // Insert am current cell without range(es)
@@ -98,13 +98,13 @@ ScImportExport::ScImportExport( ScDocument* p, const ScAddress& rPt )
       aRange( rPt ),
       nSizeLimit( 0 ), cSep( '\t' ), cStr( '"' ),
       bFormulas( false ), bIncludeFiltered( true ),
-      bAll( false ), bSingle( true ), bUndo( pDocSh != NULL ),
+      bAll( false ), bSingle( true ), bUndo( pDocSh != nullptr ),
       bOverflowRow( false ), bOverflowCol( false ), bOverflowCell( false ),
       mbApi( true ), mbImportBroadcast(false), mbOverwriting( false ),
       mExportTextOptions()
 {
-    pUndoDoc = NULL;
-    pExtOptions = NULL;
+    pUndoDoc = nullptr;
+    pExtOptions = nullptr;
 }
 
 //  ctor with a range is only used for export
@@ -114,13 +114,13 @@ ScImportExport::ScImportExport( ScDocument* p, const ScRange& r )
       aRange( r ),
       nSizeLimit( 0 ), cSep( '\t' ), cStr( '"' ),
       bFormulas( false ), bIncludeFiltered( true ),
-      bAll( false ), bSingle( false ), bUndo( pDocSh != NULL ),
+      bAll( false ), bSingle( false ), bUndo( pDocSh != nullptr ),
       bOverflowRow( false ), bOverflowCol( false ), bOverflowCell( false ),
       mbApi( true ), mbImportBroadcast(false), mbOverwriting( false ),
       mExportTextOptions()
 {
-    pUndoDoc = NULL;
-    pExtOptions = NULL;
+    pUndoDoc = nullptr;
+    pExtOptions = nullptr;
     // Only one sheet (table) supported
     aRange.aEnd.SetTab( aRange.aStart.Tab() );
 }
@@ -131,13 +131,13 @@ ScImportExport::ScImportExport( ScDocument* p, const OUString& rPos )
     : pDocSh( dynamic_cast< ScDocShell* >(p->GetDocumentShell()) ), pDoc( p ),
       nSizeLimit( 0 ), cSep( '\t' ), cStr( '"' ),
       bFormulas( false ), bIncludeFiltered( true ),
-      bAll( false ), bSingle( true ), bUndo( pDocSh != NULL ),
+      bAll( false ), bSingle( true ), bUndo( pDocSh != nullptr ),
       bOverflowRow( false ), bOverflowCol( false ), bOverflowCell( false ),
       mbApi( true ), mbImportBroadcast(false), mbOverwriting( false ),
       mExportTextOptions()
 {
-    pUndoDoc = NULL;
-    pExtOptions = NULL;
+    pUndoDoc = nullptr;
+    pExtOptions = nullptr;
 
     SCTAB nTab = ScDocShell::GetCurTab();
     aRange.aStart.SetTab( nTab );
@@ -239,9 +239,9 @@ void ScImportExport::EndPaste(bool bAutoRowHeight)
         ScMarkData aDestMark;
         aDestMark.SetMarkArea(aRange);
         pDocSh->GetUndoManager()->AddUndoAction(
-            new ScUndoPaste(pDocSh, aRange, aDestMark, pUndoDoc, pRedoDoc, InsertDeleteFlags::ALL, NULL));
+            new ScUndoPaste(pDocSh, aRange, aDestMark, pUndoDoc, pRedoDoc, InsertDeleteFlags::ALL, nullptr));
     }
-    pUndoDoc = NULL;
+    pUndoDoc = nullptr;
     if( pDocSh )
     {
         if (!bHeight)
@@ -706,7 +706,7 @@ static const sal_Unicode* lcl_ScanSylkString( const sal_Unicode* p,
         OUString& rString, SylkVersion eVersion )
 {
     const sal_Unicode* pStartQuote = p;
-    const sal_Unicode* pEndQuote = 0;
+    const sal_Unicode* pEndQuote = nullptr;
     while( *(++p) )
     {
         if( *p == '"' )
@@ -719,7 +719,7 @@ static const sal_Unicode* lcl_ScanSylkString( const sal_Unicode* p,
                     if (*(p+2) == ';')
                     {
                         p += 2;     // escaped ';'
-                        pEndQuote = 0;
+                        pEndQuote = nullptr;
                     }
                     else
                         break;      // end field
@@ -730,7 +730,7 @@ static const sal_Unicode* lcl_ScanSylkString( const sal_Unicode* p,
                 if (*(p+1) == '"')
                 {
                     ++p;            // escaped '"'
-                    pEndQuote = 0;
+                    pEndQuote = nullptr;
                 }
                 else if (*(p+1) == ';')
                     break;          // end field
@@ -1793,7 +1793,7 @@ bool ScImportExport::Sylk2Doc( SvStream& rStrm )
                                 {
                                     double fVal = rtl_math_uStringToDouble( p,
                                             aLine.getStr() + aLine.getLength(),
-                                            cDecSep, cGrpSep, NULL, NULL );
+                                            cDecSep, cGrpSep, nullptr, nullptr );
                                     pDoc->SetValue( nCol, nRow, aRange.aStart.Tab(), fVal );
                                 }
                             }
@@ -2217,8 +2217,8 @@ class ScFormatFilterMissing : public ScFormatFilterPlugin {
     virtual FltError ScImportRTF( SvStream&, const OUString&, ScDocument*, ScRange& ) override { return eERR_INTERN; }
     virtual FltError ScImportHTML( SvStream&, const OUString&, ScDocument*, ScRange&, double, bool, SvNumberFormatter*, bool ) override { return eERR_INTERN; }
 
-    virtual ScEEAbsImport *CreateRTFImport( ScDocument*, const ScRange& ) override { return NULL; }
-    virtual ScEEAbsImport *CreateHTMLImport( ScDocument*, const OUString&, const ScRange&, bool ) override { return NULL; }
+    virtual ScEEAbsImport *CreateRTFImport( ScDocument*, const ScRange& ) override { return nullptr; }
+    virtual ScEEAbsImport *CreateHTMLImport( ScDocument*, const OUString&, const ScRange&, bool ) override { return nullptr; }
     virtual OUString       GetHTMLRangeNameList( ScDocument*, const OUString& ) override { return OUString(); }
 
     virtual FltError ScExportExcel5( SfxMedium&, ScDocument*, ExportFormatExcel, rtl_TextEncoding ) override { return eERR_INTERN; }
@@ -2228,7 +2228,7 @@ class ScFormatFilterMissing : public ScFormatFilterPlugin {
                   const OUString&, OUString&, const OUString& ) override { return eERR_INTERN; }
     virtual FltError ScExportRTF( SvStream&, ScDocument*, const ScRange&, const rtl_TextEncoding ) override { return eERR_INTERN; }
 
-    virtual ScOrcusFilters* GetOrcusFilters() override { return NULL; }
+    virtual ScOrcusFilters* GetOrcusFilters() override { return nullptr; }
 };
 
 extern "C" { static void SAL_CALL thisModule() {} }
@@ -2246,7 +2246,7 @@ ScFormatFilterPlugin &ScFormatFilter::Get()
 {
     static ScFormatFilterPlugin *plugin;
 
-    if (plugin != NULL)
+    if (plugin != nullptr)
         return *plugin;
 
 #ifndef DISABLE_DYNLOADING
@@ -2258,10 +2258,10 @@ ScFormatFilterPlugin &ScFormatFilter::Get()
     if (bLoaded)
     {
         oslGenericFunction fn = aModule.getFunctionSymbol( "ScFilterCreate" );
-        if (fn != NULL)
+        if (fn != nullptr)
             plugin = reinterpret_cast<FilterFn>(fn)();
     }
-    if (plugin == NULL)
+    if (plugin == nullptr)
         plugin = new ScFormatFilterMissing();
 #else
     plugin = ScFilterCreate();
@@ -2281,7 +2281,7 @@ static inline const sal_Unicode* lcl_UnicodeStrChr( const sal_Unicode* pStr,
             return pStr;
         ++pStr;
     }
-    return 0;
+    return nullptr;
 }
 
 OUString ReadCsvLine( SvStream &rStream, bool bEmbeddedLineBreak,
@@ -2334,9 +2334,9 @@ OUString ReadCsvLine( SvStream &rStream, bool bEmbeddedLineBreak,
                             // If blank is a separator it starts a field, if it
                             // is not and thus maybe leading before quote we
                             // are still at start of field regarding quotes.
-                            bFieldStart = (*p == ' ' || lcl_UnicodeStrChr( pSeps, *p) != NULL);
+                            bFieldStart = (*p == ' ' || lcl_UnicodeStrChr( pSeps, *p) != nullptr);
                         else
-                            bFieldStart = (lcl_UnicodeStrChr( pSeps, *p) != NULL);
+                            bFieldStart = (lcl_UnicodeStrChr( pSeps, *p) != nullptr);
                     }
                 }
                 else
@@ -2354,9 +2354,9 @@ OUString ReadCsvLine( SvStream &rStream, bool bEmbeddedLineBreak,
                         // actually want that or not, but congruent with what
                         // ScanNextFieldFromString() does.
                         if (bFieldStart)
-                            bFieldStart = (*p == ' ' || lcl_UnicodeStrChr( pSeps, *p) != NULL);
+                            bFieldStart = (*p == ' ' || lcl_UnicodeStrChr( pSeps, *p) != nullptr);
                         else
-                            bFieldStart = (lcl_UnicodeStrChr( pSeps, *p) != NULL);
+                            bFieldStart = (lcl_UnicodeStrChr( pSeps, *p) != nullptr);
                     }
                 }
                 // A quote character inside a field content does not start
diff --git a/sc/source/ui/docshell/olinefun.cxx b/sc/source/ui/docshell/olinefun.cxx
index 71cb5da6a2d7..875f126b899d 100644
--- a/sc/source/ui/docshell/olinefun.cxx
+++ b/sc/source/ui/docshell/olinefun.cxx
@@ -84,7 +84,7 @@ bool ScOutlineDocFunc::MakeOutline( const ScRange& rRange, bool bColumns, bool b
 
     ScDocument& rDoc = rDocShell.GetDocument();
     ScOutlineTable* pTable = rDoc.GetOutlineTable( nTab, true );
-    ScOutlineTable* pUndoTab = NULL;
+    ScOutlineTable* pUndoTab = nullptr;
 
     if (bRecord && !rDoc.IsUndoEnabled())
         bRecord = false;
@@ -154,7 +154,7 @@ bool ScOutlineDocFunc::RemoveOutline( const ScRange& rRange, bool bColumns, bool
     ScOutlineTable* pTable = rDoc.GetOutlineTable( nTab );
     if (pTable)
     {
-        ScOutlineTable* pUndoTab = NULL;
+        ScOutlineTable* pUndoTab = nullptr;
         if (bRecord)
             pUndoTab = new ScOutlineTable( *pTable );
 
@@ -241,7 +241,7 @@ bool ScOutlineDocFunc::RemoveAllOutlines( SCTAB nTab, bool bRecord )
 
         SelectLevel( nTab, true,  pTable->GetColArray().GetDepth(), false, false );
         SelectLevel( nTab, false, pTable->GetRowArray().GetDepth(), false, false );
-        rDoc.SetOutlineTable( nTab, NULL );
+        rDoc.SetOutlineTable( nTab, nullptr );
 
         rDoc.UpdatePageBreaks( nTab );
 
@@ -272,8 +272,8 @@ bool ScOutlineDocFunc::AutoOutline( const ScRange& rRange, bool bRecord )
         bRecord = false;
     ScOutlineTable* pTable = rDoc.GetOutlineTable( nTab );
 
-    ScDocument* pUndoDoc = NULL;
-    ScOutlineTable* pUndoTab = NULL;
+    ScDocument* pUndoDoc = nullptr;
+    ScOutlineTable* pUndoTab = nullptr;
 
     if ( pTable )
     {
@@ -298,7 +298,7 @@ bool ScOutlineDocFunc::AutoOutline( const ScRange& rRange, bool bRecord )
         // einblenden
         SelectLevel( nTab, true,  pTable->GetColArray().GetDepth(), false, false );
         SelectLevel( nTab, false, pTable->GetRowArray().GetDepth(), false, false );
-        rDoc.SetOutlineTable( nTab, NULL );
+        rDoc.SetOutlineTable( nTab, nullptr );
     }
 
     rDoc.DoAutoOutline( nStartCol,nStartRow, nEndCol,nEndRow, nTab );
@@ -363,7 +363,7 @@ bool ScOutlineDocFunc::SelectLevel( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
 
     ScSubOutlineIterator aIter( &rArray );                   // alle Eintraege
     ScOutlineEntry* pEntry;
-    while ((pEntry=aIter.GetNext()) != NULL)
+    while ((pEntry=aIter.GetNext()) != nullptr)
     {
         sal_uInt16 nThisLevel = aIter.LastLevel();
         bool bShow = (nThisLevel < nLevel);
@@ -392,7 +392,7 @@ bool ScOutlineDocFunc::SelectLevel( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
             {
                 // show several rows together, don't show filtered rows
                 SCROW nFilterEnd = i;
-                bool bFiltered = rDoc.RowFiltered( i, nTab, NULL, &nFilterEnd );
+                bool bFiltered = rDoc.RowFiltered( i, nTab, nullptr, &nFilterEnd );
                 nFilterEnd = std::min( nThisEnd, nFilterEnd );
                 if ( !bShow || !bFiltered )
                     rDoc.ShowRows( i, nFilterEnd, nTab, bShow );
@@ -458,7 +458,7 @@ bool ScOutlineDocFunc::ShowMarkedOutlines( const ScRange& rRange, bool bRecord )
         nMax=0;
         ScOutlineArray& rColArray = pTable->GetColArray();
         ScSubOutlineIterator aColIter( &rColArray );
-        while ((pEntry=aColIter.GetNext()) != NULL)
+        while ((pEntry=aColIter.GetNext()) != nullptr)
         {
             nStart = pEntry->GetStart();
             nEnd   = pEntry->GetEnd();
@@ -479,7 +479,7 @@ bool ScOutlineDocFunc::ShowMarkedOutlines( const ScRange& rRange, bool bRecord )
         nMax=0;
         ScOutlineArray& rRowArray = pTable->GetRowArray();
         ScSubOutlineIterator aRowIter( &rRowArray );
-        while ((pEntry=aRowIter.GetNext()) != NULL)
+        while ((pEntry=aRowIter.GetNext()) != nullptr)
         {
             nStart = pEntry->GetStart();
             nEnd   = pEntry->GetEnd();
@@ -495,7 +495,7 @@ bool ScOutlineDocFunc::ShowMarkedOutlines( const ScRange& rRange, bool bRecord )
         {
             // show several rows together, don't show filtered rows
             SCROW nFilterEnd = i;
-            bool bFiltered = rDoc.RowFiltered( i, nTab, NULL, &nFilterEnd );
+            bool bFiltered = rDoc.RowFiltered( i, nTab, nullptr, &nFilterEnd );
             nFilterEnd = std::min( nMax, nFilterEnd );
             if ( !bFiltered )
                 rDoc.ShowRows( i, nFilterEnd, nTab, true );
@@ -653,7 +653,7 @@ bool ScOutlineDocFunc::ShowOutline( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
         {
             // show several rows together, don't show filtered rows
             SCROW nFilterEnd = i;
-            bool bFiltered = rDoc.RowFiltered( i, nTab, NULL, &nFilterEnd );
+            bool bFiltered = rDoc.RowFiltered( i, nTab, nullptr, &nFilterEnd );
             nFilterEnd = std::min( nEnd, nFilterEnd );
             if ( !bFiltered )
                 rDoc.ShowRows( i, nFilterEnd, nTab, true );
@@ -662,7 +662,7 @@ bool ScOutlineDocFunc::ShowOutline( SCTAB nTab, bool bColumns, sal_uInt16 nLevel
     }
 
     ScSubOutlineIterator aIter( &rArray, nLevel, nEntry );
-    while ((pEntry=aIter.GetNext()) != NULL)
+    while ((pEntry=aIter.GetNext()) != nullptr)
     {
         if ( pEntry->IsHidden() )
         {
diff --git a/sc/source/ui/docshell/pagedata.cxx b/sc/source/ui/docshell/pagedata.cxx
index 6c1e32333bf5..7a73ae639ac7 100644
--- a/sc/source/ui/docshell/pagedata.cxx
+++ b/sc/source/ui/docshell/pagedata.cxx
@@ -26,8 +26,8 @@
 ScPrintRangeData::ScPrintRangeData()
 {
     nPagesX = nPagesY = 0;
-    pPageEndX = NULL;
-    pPageEndY = NULL;
+    pPageEndX = nullptr;
+    pPageEndY = nullptr;
     bTopDown = bAutomatic = true;
     nFirstPage = 1;
 }
@@ -47,7 +47,7 @@ void ScPrintRangeData::SetPagesX( size_t nCount, const SCCOL* pData )
         memcpy( pPageEndX, pData, nCount * sizeof(SCCOL) );
     }
     else
-        pPageEndX = NULL;
+        pPageEndX = nullptr;
     nPagesX = nCount;
 }
 
@@ -60,7 +60,7 @@ void ScPrintRangeData::SetPagesY( size_t nCount, const SCROW* pData )
         memcpy( pPageEndY, pData, nCount * sizeof(SCROW) );
     }
     else
-        pPageEndY = NULL;
+        pPageEndY = nullptr;
     nPagesY = nCount;
 }
 
@@ -70,7 +70,7 @@ ScPageBreakData::ScPageBreakData(size_t nMax)
     if (nMax)
         pData = new ScPrintRangeData[nMax];
     else
-        pData = NULL;
+        pData = nullptr;
     nAlloc = nMax;
 }
 
diff --git a/sc/source/ui/docshell/servobj.cxx b/sc/source/ui/docshell/servobj.cxx
index be22512cb0fb..6cb3fa982890 100644
--- a/sc/source/ui/docshell/servobj.cxx
+++ b/sc/source/ui/docshell/servobj.cxx
@@ -116,7 +116,7 @@ void ScServerObject::Clear()
     if (pDocSh)
     {
         ScDocShell* pTemp = pDocSh;
-        pDocSh = NULL;
+        pDocSh = nullptr;
 
         pTemp->GetDocument().EndListeningArea(aRange, false, &aForwarder);
         pTemp->GetDocument().GetLinkManager()->RemoveServer( this );
@@ -204,7 +204,7 @@ void ScServerObject::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
         const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>( &rHint );
         if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
         {
-            pDocSh = NULL;
+            pDocSh = nullptr;
             EndListening(*SfxGetpApp());
             //  don't access DocShell anymore for EndListening etc.
         }
diff --git a/sc/source/ui/docshell/tablink.cxx b/sc/source/ui/docshell/tablink.cxx
index cfe790a21ee0..b6f7883cfba3 100644
--- a/sc/source/ui/docshell/tablink.cxx
+++ b/sc/source/ui/docshell/tablink.cxx
@@ -51,7 +51,7 @@ struct TableLink_Impl
     VclPtr<vcl::Window>    m_pOldParent;
     Link<sfx2::SvBaseLink&,void> m_aEndEditLink;
 
-    TableLink_Impl() : m_pDocSh( NULL ), m_pOldParent( NULL ) {}
+    TableLink_Impl() : m_pDocSh( nullptr ), m_pOldParent( nullptr ) {}
 };
 
 TYPEINIT1(ScTableLink, ::sfx2::SvBaseLink);
@@ -123,17 +123,17 @@ void ScTableLink::Edit( vcl::Window* pParent, const Link<SvBaseLink&,void>& rEnd
     const OUString&, const css::uno::Any& )
 {
     sfx2::LinkManager* pLinkManager=pImpl->m_pDocSh->GetDocument().GetLinkManager();
-    if (pLinkManager!=NULL)
+    if (pLinkManager!=nullptr)
     {
         OUString aFile, aFilter;
-        sfx2::LinkManager::GetDisplayNames(this, 0, &aFile, NULL, &aFilter);
+        sfx2::LinkManager::GetDisplayNames(this, nullptr, &aFile, nullptr, &aFilter);
 
         //  the file dialog returns the filter name with the application prefix
         //  -> remove prefix
         ScDocumentLoader::RemoveAppPrefix( aFilter );
 
         if (!bInCreate)
-            Refresh( aFile, aFilter, NULL, GetRefreshDelay() ); // don't load twice
+            Refresh( aFile, aFilter, nullptr, GetRefreshDelay() ); // don't load twice
     }
     return SUCCESS;
 }
@@ -210,7 +210,7 @@ bool ScTableLink::Refresh(const OUString& rNewFile, const OUString& rNewFilter,
 
     //  Undo...
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     bool bFirst = true;
     if (bAddUndo && bUndo)
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -415,7 +415,7 @@ bool ScTableLink::Refresh(const OUString& rNewFile, const OUString& rNewFilter,
 
 IMPL_LINK_NOARG_TYPED(ScTableLink, RefreshHdl, Timer *, void)
 {
-    Refresh( aFileName, aFilterName, NULL, GetRefreshDelay() );
+    Refresh( aFileName, aFilterName, nullptr, GetRefreshDelay() );
 }
 
 IMPL_LINK_TYPED( ScTableLink, TableEndEditHdl, ::sfx2::SvBaseLink&, rLink, void )
@@ -464,7 +464,7 @@ bool ScDocumentLoader::GetFilterName( const OUString& rFileName,
 
     //  Filter-Detection
 
-    const SfxFilter* pSfxFilter = NULL;
+    const SfxFilter* pSfxFilter = nullptr;
     SfxMedium* pMedium = new SfxMedium( rFileName, STREAM_STD_READ );
     if ( pMedium->GetError() == ERRCODE_NONE )
     {
@@ -513,8 +513,8 @@ SfxMedium* ScDocumentLoader::CreateMedium( const OUString& rFileName, const SfxF
 ScDocumentLoader::ScDocumentLoader( const OUString& rFileName,
                                     OUString& rFilterName, OUString& rOptions,
                                     sal_uInt32 nRekCnt, bool bWithInteraction ) :
-        pDocShell(0),
-        pMedium(0)
+        pDocShell(nullptr),
+        pMedium(nullptr)
 {
     if ( rFilterName.isEmpty() )
         GetFilterName( rFileName, rFilterName, rOptions, true, bWithInteraction );
@@ -562,15 +562,15 @@ void ScDocumentLoader::ReleaseDocRef()
         //  release reference without calling DoClose - caller must
         //  have another reference to the doc and call DoClose later
 
-        pDocShell = NULL;
-        pMedium = NULL;
+        pDocShell = nullptr;
+        pMedium = nullptr;
         aRef.Clear();
     }
 }
 
 ScDocument* ScDocumentLoader::GetDocument()
 {
-    return pDocShell ? &pDocShell->GetDocument() : 0;
+    return pDocShell ? &pDocShell->GetDocument() : nullptr;
 }
 
 bool ScDocumentLoader::IsError() const
diff --git a/sc/source/ui/drawfunc/drawsh.cxx b/sc/source/ui/drawfunc/drawsh.cxx
index 2a302f4c4864..49069086436e 100644
--- a/sc/source/ui/drawfunc/drawsh.cxx
+++ b/sc/source/ui/drawfunc/drawsh.cxx
@@ -107,7 +107,7 @@ void ScDrawShell::ExecDrawAttr( SfxRequest& rReq )
 
     const SdrMarkList& rMarkList = pView->GetMarkedObjectList();
     const size_t nMarkCount = rMarkList.GetMarkCount();
-    SdrObject* pSingleSelectedObj = NULL;
+    SdrObject* pSingleSelectedObj = nullptr;
     if ( nMarkCount > 0 )
         pSingleSelectedObj = rMarkList.GetMark( 0 )->GetMarkedSdrObj();
 
@@ -228,8 +228,8 @@ void ScDrawShell::ExecDrawAttr( SfxRequest& rReq )
                 SdrObject* pObj = rMarkList.GetMark( 0 )->GetMarkedSdrObj();
                 if ( pObj->IsGroupObject() )
                 {
-                    SdrPageView* pPV = 0;
-                    SdrObject* pHit = 0;
+                    SdrPageView* pPV = nullptr;
+                    SdrObject* pHit = nullptr;
                     if ( pView->PickObj( pWin->PixelToLogic( pViewData->GetMousePosPixel() ), pView->getHitTolLog(), pHit, pPV, SdrSearchOptions::DEEP ) )
                         pObj = pHit;
                 }
@@ -249,7 +249,7 @@ void ScDrawShell::ExecDrawAttr( SfxRequest& rReq )
 
                     if( !pArgs )
                     {
-                        if( rMarkList.GetMark(0) != 0 )
+                        if( rMarkList.GetMark(0) != nullptr )
                         {
                             SdrObject* pObj = rMarkList.GetMark(0)->GetMarkedSdrObj();
                             if( pObj->GetObjIdentifier() == OBJ_CAPTION )
@@ -379,7 +379,7 @@ void ScDrawShell::ExecuteLineDlg( SfxRequest& rReq, sal_uInt16 nTabPage )
 {
     ScDrawView*         pView       = pViewData->GetScDrawView();
     bool                bHasMarked  = pView->AreObjectsMarked();
-    const SdrObject*    pObj        = NULL;
+    const SdrObject*    pObj        = nullptr;
     const SdrMarkList&  rMarkList   = pView->GetMarkedObjectList();
 
     if( rMarkList.GetMarkCount() == 1 )
diff --git a/sc/source/ui/drawfunc/drawsh2.cxx b/sc/source/ui/drawfunc/drawsh2.cxx
index 67382ca32c01..6ee0f37ae564 100644
--- a/sc/source/ui/drawfunc/drawsh2.cxx
+++ b/sc/source/ui/drawfunc/drawsh2.cxx
@@ -382,7 +382,7 @@ void ScDrawShell::GetDrawAttrStateForIFBX( SfxItemSet& rSet )
     ScDrawView* pView = pViewData->GetScDrawView();
     const SdrMarkList& rMarkList = pView->GetMarkedObjectList();
 
-    if( rMarkList.GetMark(0) != 0 )
+    if( rMarkList.GetMark(0) != nullptr )
     {
         SfxItemSet aNewAttr(pView->GetGeoAttrFromMarked());
         rSet.Put(aNewAttr, false);
diff --git a/sc/source/ui/drawfunc/drawsh4.cxx b/sc/source/ui/drawfunc/drawsh4.cxx
index b9fbb88e13d3..9e620e5099b4 100644
--- a/sc/source/ui/drawfunc/drawsh4.cxx
+++ b/sc/source/ui/drawfunc/drawsh4.cxx
@@ -33,8 +33,8 @@
 
 void ScDrawShell::GetFormTextState(SfxItemSet& rSet)
 {
-    const SdrObject*    pObj        = NULL;
-    SvxFontWorkDialog*  pDlg        = NULL;
+    const SdrObject*    pObj        = nullptr;
+    SvxFontWorkDialog*  pDlg        = nullptr;
     ScDrawView*         pDrView     = pViewData->GetScDrawView();
     const SdrMarkList&  rMarkList   = pDrView->GetMarkedObjectList();
     sal_uInt16              nId = SvxFontWorkChildWindow::GetChildWindowId();
@@ -43,7 +43,7 @@ void ScDrawShell::GetFormTextState(SfxItemSet& rSet)
     if (pViewFrm->HasChildWindow(nId))
     {
         SfxChildWindow* pWnd = pViewFrm->GetChildWindow(nId);
-        pDlg = pWnd ? static_cast<SvxFontWorkDialog*>(pWnd->GetWindow()) : NULL;
+        pDlg = pWnd ? static_cast<SvxFontWorkDialog*>(pWnd->GetWindow()) : nullptr;
     }
 
     if ( rMarkList.GetMarkCount() == 1 )
diff --git a/sc/source/ui/drawfunc/drawsh5.cxx b/sc/source/ui/drawfunc/drawsh5.cxx
index 65bae265db17..bdef1063be5f 100644
--- a/sc/source/ui/drawfunc/drawsh5.cxx
+++ b/sc/source/ui/drawfunc/drawsh5.cxx
@@ -487,7 +487,7 @@ void ScDrawShell::ExecDrawFunc( SfxRequest& rReq )
 
                         SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
                         OSL_ENSURE(pFact, "Dialog creation failed!");
-                        std::unique_ptr<AbstractSvxObjectNameDialog> pDlg(pFact->CreateSvxObjectNameDialog(NULL, aName));
+                        std::unique_ptr<AbstractSvxObjectNameDialog> pDlg(pFact->CreateSvxObjectNameDialog(nullptr, aName));
                         OSL_ENSURE(pDlg, "Dialog creation failed!");
 
                         pDlg->SetCheckNameHdl(LINK(this, ScDrawShell, NameObjectHdl));
@@ -556,7 +556,7 @@ void ScDrawShell::ExecDrawFunc( SfxRequest& rReq )
 
                         SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
                         OSL_ENSURE(pFact, "Dialog creation failed!");
-                        std::unique_ptr<AbstractSvxObjectTitleDescDialog> pDlg(pFact->CreateSvxObjectTitleDescDialog(NULL, aTitle, aDescription));
+                        std::unique_ptr<AbstractSvxObjectTitleDescDialog> pDlg(pFact->CreateSvxObjectTitleDescDialog(nullptr, aTitle, aDescription));
                         OSL_ENSURE(pDlg, "Dialog creation failed!");
 
                         if(RET_OK == pDlg->Execute())
diff --git a/sc/source/ui/drawfunc/drtxtob.cxx b/sc/source/ui/drawfunc/drtxtob.cxx
index 80462cddc245..a6b69ebde95e 100644
--- a/sc/source/ui/drawfunc/drtxtob.cxx
+++ b/sc/source/ui/drawfunc/drtxtob.cxx
@@ -114,7 +114,7 @@ void ScDrawTextObjectBar::StateDisableItems( SfxItemSet &rSet )
 ScDrawTextObjectBar::ScDrawTextObjectBar(ScViewData* pData) :
     SfxShell(pData->GetViewShell()),
     pViewData(pData),
-    pClipEvtLstnr(NULL),
+    pClipEvtLstnr(nullptr),
     bPastePossible(false)
 {
     SetPool( pViewData->GetScDrawView()->GetDefaultAttr().GetPool() );
@@ -218,14 +218,14 @@ void ScDrawTextObjectBar::Execute( SfxRequest &rReq )
                 SvxFontItem aNewItem( EE_CHAR_FONTINFO );
 
                 const SfxItemSet *pArgs = rReq.GetArgs();
-                const SfxPoolItem* pItem = 0;
+                const SfxPoolItem* pItem = nullptr;
                 if( pArgs )
                     pArgs->GetItemState(GetPool().GetWhich(SID_CHARMAP), false, &pItem);
 
                 if ( pItem )
                 {
                     aString = static_cast<const SfxStringItem*>(pItem)->GetValue();
-                    const SfxPoolItem* pFtItem = NULL;
+                    const SfxPoolItem* pFtItem = nullptr;
                     pArgs->GetItemState( GetPool().GetWhich(SID_ATTR_SPECIALCHAR), false, &pFtItem);
                     const SfxStringItem* pFontItem = dynamic_cast<const SfxStringItem*>( pFtItem  );
                     if ( pFontItem )
@@ -787,7 +787,7 @@ void ScDrawTextObjectBar::ExecuteAttr( SfxRequest &rReq )
     }
 
     bool bDone = true;
-    bool bArgsInReq = ( pArgs != NULL );
+    bool bArgsInReq = ( pArgs != nullptr );
 
     if ( !bArgsInReq )
     {
@@ -796,7 +796,7 @@ void ScDrawTextObjectBar::ExecuteAttr( SfxRequest &rReq )
             case SID_TEXT_STANDARD: // Harte Textattributierung loeschen
             {
                 OutlinerView* pOutView = pView->IsTextEdit() ?
-                                pView->GetTextEditOutlinerView() : NULL;
+                                pView->GetTextEditOutlinerView() : nullptr;
                 if ( pOutView )
                     pOutView->Paint( Rectangle() );
 
diff --git a/sc/source/ui/drawfunc/drtxtob2.cxx b/sc/source/ui/drawfunc/drtxtob2.cxx
index 7942caf032d6..9a97a6aed7af 100644
--- a/sc/source/ui/drawfunc/drtxtob2.cxx
+++ b/sc/source/ui/drawfunc/drtxtob2.cxx
@@ -201,8 +201,8 @@ void ScDrawTextObjectBar::ExecFormText(SfxRequest& rReq)
 
 void ScDrawTextObjectBar::GetFormTextState(SfxItemSet& rSet)
 {
-    const SdrObject*    pObj        = NULL;
-    SvxFontWorkDialog*  pDlg        = NULL;
+    const SdrObject*    pObj        = nullptr;
+    SvxFontWorkDialog*  pDlg        = nullptr;
     ScDrawView*         pDrView     = pViewData->GetView()->GetScDrawView();
     const SdrMarkList&  rMarkList   = pDrView->GetMarkedObjectList();
     sal_uInt16              nId = SvxFontWorkChildWindow::GetChildWindowId();
@@ -211,7 +211,7 @@ void ScDrawTextObjectBar::GetFormTextState(SfxItemSet& rSet)
     if (pViewFrm->HasChildWindow(nId))
     {
         SfxChildWindow* pWnd = pViewFrm->GetChildWindow(nId);
-        pDlg = pWnd ? static_cast<SvxFontWorkDialog*>(pWnd->GetWindow()) : NULL;
+        pDlg = pWnd ? static_cast<SvxFontWorkDialog*>(pWnd->GetWindow()) : nullptr;
     }
 
     if ( rMarkList.GetMarkCount() == 1 )
diff --git a/sc/source/ui/drawfunc/fuconarc.cxx b/sc/source/ui/drawfunc/fuconarc.cxx
index dcfaa8281380..780af9e0ba1d 100644
--- a/sc/source/ui/drawfunc/fuconarc.cxx
+++ b/sc/source/ui/drawfunc/fuconarc.cxx
@@ -185,7 +185,7 @@ SdrObject* FuConstArc::CreateDefaultObject(const sal_uInt16 nID, const Rectangle
 
     SdrObject* pObj = SdrObjFactory::MakeNewObject(
         pView->GetCurrentObjInventor(), pView->GetCurrentObjIdentifier(),
-        0L, pDrDoc);
+        nullptr, pDrDoc);
 
     if(pObj)
     {
diff --git a/sc/source/ui/drawfunc/fuconcustomshape.cxx b/sc/source/ui/drawfunc/fuconcustomshape.cxx
index 6e3272a33ffe..b53cf0f4948c 100644
--- a/sc/source/ui/drawfunc/fuconcustomshape.cxx
+++ b/sc/source/ui/drawfunc/fuconcustomshape.cxx
@@ -188,7 +188,7 @@ SdrObject* FuConstCustomShape::CreateDefaultObject(const sal_uInt16 /* nID */, c
 {
     SdrObject* pObj = SdrObjFactory::MakeNewObject(
         pView->GetCurrentObjInventor(), pView->GetCurrentObjIdentifier(),
-        0L, pDrDoc);
+        nullptr, pDrDoc);
     if( pObj )
     {
         Rectangle aRectangle( rRectangle );
diff --git a/sc/source/ui/drawfunc/fuconpol.cxx b/sc/source/ui/drawfunc/fuconpol.cxx
index aa8ff4fc65b0..0e0e9bfd0b6f 100644
--- a/sc/source/ui/drawfunc/fuconpol.cxx
+++ b/sc/source/ui/drawfunc/fuconpol.cxx
@@ -238,7 +238,7 @@ SdrObject* FuConstPolygon::CreateDefaultObject(const sal_uInt16 nID, const Recta
 
     SdrObject* pObj = SdrObjFactory::MakeNewObject(
         pView->GetCurrentObjInventor(), pView->GetCurrentObjIdentifier(),
-        0L, pDrDoc);
+        nullptr, pDrDoc);
 
     if(pObj)
     {
diff --git a/sc/source/ui/drawfunc/fuconrec.cxx b/sc/source/ui/drawfunc/fuconrec.cxx
index 5698732d94c8..c9ff32fd1aa8 100644
--- a/sc/source/ui/drawfunc/fuconrec.cxx
+++ b/sc/source/ui/drawfunc/fuconrec.cxx
@@ -220,7 +220,7 @@ SdrObject* FuConstRectangle::CreateDefaultObject(const sal_uInt16 nID, const Rec
 {
     SdrObject* pObj = SdrObjFactory::MakeNewObject(
         pView->GetCurrentObjInventor(), pView->GetCurrentObjIdentifier(),
-        0L, pDrDoc);
+        nullptr, pDrDoc);
 
     if(pObj)
     {
diff --git a/sc/source/ui/drawfunc/fuconstr.cxx b/sc/source/ui/drawfunc/fuconstr.cxx
index b8cc232ca08e..5318084771a1 100644
--- a/sc/source/ui/drawfunc/fuconstr.cxx
+++ b/sc/source/ui/drawfunc/fuconstr.cxx
@@ -133,7 +133,7 @@ bool FuConstruct::MouseButtonDown(const MouseEvent& rMEvt)
 
         SdrHdl* pHdl = pView->PickHandle(aMDPos);
 
-        if ( pHdl != NULL || pView->IsMarkedHit(aMDPos) )
+        if ( pHdl != nullptr || pView->IsMarkedHit(aMDPos) )
         {
             pView->BegDragObj(aMDPos, nullptr, pHdl, 1);
             bReturn = true;
@@ -187,7 +187,7 @@ bool FuConstruct::MouseMove(const MouseEvent& rMEvt)
     {
         SdrHdl* pHdl=pView->PickHandle(aPnt);
 
-        if ( pHdl != NULL )
+        if ( pHdl != nullptr )
         {
             pViewShell->SetActivePointer(pHdl->GetPointer());
         }
diff --git a/sc/source/ui/drawfunc/fuconuno.cxx b/sc/source/ui/drawfunc/fuconuno.cxx
index 518f2548385c..d6bb3d58d402 100644
--- a/sc/source/ui/drawfunc/fuconuno.cxx
+++ b/sc/source/ui/drawfunc/fuconuno.cxx
@@ -173,7 +173,7 @@ SdrObject* FuConstUnoControl::CreateDefaultObject(const sal_uInt16 /* nID */, co
 
     SdrObject* pObj = SdrObjFactory::MakeNewObject(
         pView->GetCurrentObjInventor(), pView->GetCurrentObjIdentifier(),
-        0L, pDrDoc);
+        nullptr, pDrDoc);
 
     if(pObj)
     {
diff --git a/sc/source/ui/drawfunc/fudraw.cxx b/sc/source/ui/drawfunc/fudraw.cxx
index 073508bb4aaf..56c519e2f85b 100644
--- a/sc/source/ui/drawfunc/fudraw.cxx
+++ b/sc/source/ui/drawfunc/fudraw.cxx
@@ -208,7 +208,7 @@ static bool lcl_KeyEditMode( SdrObject* pObj, ScTabViewShell* pViewShell, const
         if ( pPoor && pPoor->GetSlotID() == nTextSlotId )    // no RTTI
         {
             FuText* pText = static_cast<FuText*>(pPoor);
-            pText->SetInEditMode( pObj, NULL, true, pInitialKey );
+            pText->SetInEditMode( pObj, nullptr, true, pInitialKey );
             //! set cursor to end of text
         }
         bReturn = true;
@@ -276,7 +276,7 @@ bool FuDraw::KeyInput(const KeyEvent& rKEvt)
                         // consumed
                         bReturn = true;
                     }
-                    else if ( lcl_KeyEditMode( pObj, pViewShell, NULL ) )       // start text edit for suitable object
+                    else if ( lcl_KeyEditMode( pObj, pViewShell, nullptr ) )       // start text edit for suitable object
                         bReturn = true;
                 }
             }
@@ -293,7 +293,7 @@ bool FuDraw::KeyInput(const KeyEvent& rKEvt)
                 if( !pView->IsTextEdit() && 1 == rMarkList.GetMarkCount() )
                 {
                     SdrObject* pObj = rMarkList.GetMark( 0 )->GetMarkedSdrObj();
-                    if ( lcl_KeyEditMode( pObj, pViewShell, NULL ) )            // start text edit for suitable object
+                    if ( lcl_KeyEditMode( pObj, pViewShell, nullptr ) )            // start text edit for suitable object
                         bReturn = true;
                 }
             }
@@ -483,7 +483,7 @@ bool FuDraw::KeyInput(const KeyEvent& rKEvt)
                         const SdrHdlList& rHdlList = pView->GetHdlList();
                         SdrHdl* pHdl = rHdlList.GetFocusHdl();
 
-                        if(0L == pHdl)
+                        if(nullptr == pHdl)
                         {
                             // only take action when move is allowed
                             if(pView->IsMoveAllowed())
@@ -540,7 +540,7 @@ bool FuDraw::KeyInput(const KeyEvent& rKEvt)
                                 const SdrDragStat& rDragStat = pView->GetDragStat();
 
                                 // start dragging
-                                pView->BegDragObj(aStartPoint, 0, pHdl, 0);
+                                pView->BegDragObj(aStartPoint, nullptr, pHdl, 0);
 
                                 if(pView->IsDragObj())
                                 {
@@ -609,10 +609,10 @@ bool FuDraw::KeyInput(const KeyEvent& rKEvt)
                             pView->MarkPoint(*pHdl);
                         }
 
-                        if(0L == rHdlList.GetFocusHdl())
+                        if(nullptr == rHdlList.GetFocusHdl())
                         {
                             // restore point with focus
-                            SdrHdl* pNewOne = 0L;
+                            SdrHdl* pNewOne = nullptr;
 
                             for(size_t a = 0; !pNewOne && a < rHdlList.GetHdlCount(); ++a)
                             {
@@ -698,7 +698,7 @@ static bool lcl_UrlHit( SdrView* pView, const Point& rPosPixel, vcl::Window* pWi
     MouseEvent aMEvt( rPosPixel, 1, MouseEventModifiers::NONE, MOUSE_LEFT );
     SdrHitKind eHit = pView->PickAnything( aMEvt, SdrMouseEventKind::BUTTONDOWN, aVEvt );
 
-    if ( eHit != SDRHIT_NONE && aVEvt.pObj != NULL )
+    if ( eHit != SDRHIT_NONE && aVEvt.pObj != nullptr )
     {
         if ( ScDrawLayer::GetIMapInfo( aVEvt.pObj ) && ScDrawLayer::GetHitIMapObject(
                                 aVEvt.pObj, pWindow->PixelToLogic(rPosPixel), *pWindow ) )
@@ -722,12 +722,12 @@ void FuDraw::ForcePointer(const MouseEvent* pMEvt)
         SdrObject* pObj;
         SdrPageView* pPV;
 
-        ScMacroInfo* pInfo = 0;
+        ScMacroInfo* pInfo = nullptr;
         if ( pView->PickObj(aPnt, pView->getHitTolLog(), pObj, pPV, SdrSearchOptions::ALSOONMASTER) )
         {
             if ( pObj->IsGroupObject() )
             {
-                SdrObject* pHit = 0;
+                SdrObject* pHit = nullptr;
                 if ( pView->PickObj(aMDPos, pView->getHitTolLog(), pHit, pPV, SdrSearchOptions::DEEP ) )
                     pObj = pHit;
             }
diff --git a/sc/source/ui/drawfunc/fuins2.cxx b/sc/source/ui/drawfunc/fuins2.cxx
index f79472cbb53c..05bbdd21479e 100644
--- a/sc/source/ui/drawfunc/fuins2.cxx
+++ b/sc/source/ui/drawfunc/fuins2.cxx
@@ -663,7 +663,7 @@ FuInsertChart::FuInsertChart(ScTabViewShell* pViewSh, vcl::Window* pWin, ScDrawV
                 uno::Reference< lang::XInitialization > xInit( xDialog, uno::UNO_QUERY );
                 if( xChartModel.is() && xInit.is() )
                 {
-                    uno::Reference< awt::XWindow > xDialogParentWindow(0);
+                    uno::Reference< awt::XWindow > xDialogParentWindow(nullptr);
                     //  initialize dialog
                     uno::Sequence<uno::Any> aSeq(2);
                     uno::Any* pArray = aSeq.getArray();
diff --git a/sc/source/ui/drawfunc/fupoor.cxx b/sc/source/ui/drawfunc/fupoor.cxx
index d0e5d0c76a60..2b09d57c0779 100644
--- a/sc/source/ui/drawfunc/fupoor.cxx
+++ b/sc/source/ui/drawfunc/fupoor.cxx
@@ -37,7 +37,7 @@ FuPoor::FuPoor(ScTabViewShell* pViewSh, vcl::Window* pWin, ScDrawView* pViewP,
     pWindow(pWin),
     pDrDoc(pDoc),
     aSfxRequest(rReq),
-    pDialog(NULL),
+    pDialog(nullptr),
     bIsInDragMode(false),
     // remember MouseButton state
     mnCode(0)
@@ -215,7 +215,7 @@ IMPL_LINK_NOARG_TYPED(FuPoor, DragHdl, void*, void)
 {
     SdrHdl* pHdl = pView->PickHandle(aMDPos);
 
-    if ( pHdl==NULL && pView->IsMarkedHit(aMDPos) )
+    if ( pHdl==nullptr && pView->IsMarkedHit(aMDPos) )
     {
         pWindow->ReleaseMouse();
         bIsInDragMode = true;
@@ -240,7 +240,7 @@ bool FuPoor::IsDetectiveHit( const Point& rLogicPos )
         {
             sal_uInt16 nHitLog = (sal_uInt16) pWindow->PixelToLogic(
                                 Size(pView->GetHitTolerancePixel(),0)).Width();
-            if(SdrObjectPrimitiveHit(*pObject, rLogicPos, nHitLog, *pPV, 0, false))
+            if(SdrObjectPrimitiveHit(*pObject, rLogicPos, nHitLog, *pPV, nullptr, false))
             {
                 bFound = true;
             }
@@ -266,7 +266,7 @@ void FuPoor::StopDragTimer()
 SdrObject* FuPoor::CreateDefaultObject(const sal_uInt16 /* nID */, const Rectangle& /* rRectangle */)
 {
     // empty base implementation
-    return 0L;
+    return nullptr;
 }
 
 void FuPoor::ImpForceQuadratic(Rectangle& rRect)
diff --git a/sc/source/ui/drawfunc/fusel.cxx b/sc/source/ui/drawfunc/fusel.cxx
index 86885ac16f3b..8626daa97364 100644
--- a/sc/source/ui/drawfunc/fusel.cxx
+++ b/sc/source/ui/drawfunc/fusel.cxx
@@ -114,7 +114,7 @@ bool FuSelection::MouseButtonDown(const MouseEvent& rMEvt)
     {
         SdrHdl* pHdl = pView->PickHandle(aMDPos);
 
-        if ( pHdl!=NULL || pView->IsMarkedHit(aMDPos) )
+        if ( pHdl!=nullptr || pView->IsMarkedHit(aMDPos) )
         {
             // Determine if this is the tail of a SdrCaptionObj i.e.
             // we need to disable the drag option on the tail of a note
@@ -183,7 +183,7 @@ bool FuSelection::MouseButtonDown(const MouseEvent& rMEvt)
                        ScMacroInfo* pTmpInfo = ScDrawLayer::GetMacroInfo( pObj );
                        if ( !pTmpInfo || pTmpInfo->GetMacro().isEmpty() )
                        {
-                           SdrObject* pHit = NULL;
+                           SdrObject* pHit = nullptr;
                            if ( pView->PickObj(aMDPos, pView->getHitTolLog(), pHit, pPV, SdrSearchOptions::DEEP ) )
                                pObj = pHit;
                        }
@@ -229,7 +229,7 @@ bool FuSelection::MouseButtonDown(const MouseEvent& rMEvt)
                 SdrViewEvent aVEvt;
                 if ( !bAlt &&
                     pView->PickAnything( rMEvt, SdrMouseEventKind::BUTTONDOWN, aVEvt ) != SDRHIT_NONE &&
-                    aVEvt.pObj != NULL )
+                    aVEvt.pObj != nullptr )
                 {
                     if ( ScDrawLayer::GetIMapInfo( aVEvt.pObj ) )       // ImageMap
                     {
@@ -379,7 +379,7 @@ bool FuSelection::MouseButtonUp(const MouseEvent& rMEvt)
     bool bReturn = FuDraw::MouseButtonUp(rMEvt);
     bool bOle = pViewShell && pViewShell->GetViewFrame()->GetFrame().IsInPlace();
 
-    SdrObject* pObj = NULL;
+    SdrObject* pObj = nullptr;
     if (aDragTimer.IsActive() )
     {
         aDragTimer.Stop();
@@ -389,10 +389,10 @@ bool FuSelection::MouseButtonUp(const MouseEvent& rMEvt)
     Point aPnt( pWindow->PixelToLogic( rMEvt.GetPosPixel() ) );
 
     bool bCopy = false;
-    ScViewData* pViewData = ( pViewShell ? &pViewShell->GetViewData() : NULL );
-    ScDocument* pDocument = ( pViewData ? pViewData->GetDocument() : NULL );
-    SdrPageView* pPageView = ( pView ? pView->GetSdrPageView() : NULL );
-    SdrPage* pPage = ( pPageView ? pPageView->GetPage() : NULL );
+    ScViewData* pViewData = ( pViewShell ? &pViewShell->GetViewData() : nullptr );
+    ScDocument* pDocument = ( pViewData ? pViewData->GetDocument() : nullptr );
+    SdrPageView* pPageView = ( pView ? pView->GetSdrPageView() : nullptr );
+    SdrPage* pPage = ( pPageView ? pPageView->GetPage() : nullptr );
     ::std::vector< OUString > aExcludedChartNames;
     ScRangeListVector aProtectedChartRangesVector;
 
@@ -416,7 +416,7 @@ bool FuSelection::MouseButtonUp(const MouseEvent& rMEvt)
                     for ( size_t i = 0; i < nMarkCount; ++i )
                     {
                         SdrMark* pMark = rSdrMarkList.GetMark( i );
-                        pObj = ( pMark ? pMark->GetMarkedSdrObj() : NULL );
+                        pObj = ( pMark ? pMark->GetMarkedSdrObj() : nullptr );
                         if ( pObj )
                         {
                             ScChartHelper::AddRangesIfProtectedChart( aProtectedChartRangesVector, pDocument, pObj );
@@ -434,7 +434,7 @@ bool FuSelection::MouseButtonUp(const MouseEvent& rMEvt)
                 * If a user wants to click on an object in front of a marked
                 * one, he releases the mouse button immediately
                 **************************************************************/
-                SdrPageView* pPV = NULL;
+                SdrPageView* pPV = nullptr;
                 if (pView->PickObj(aMDPos, pView->getHitTolLog(), pObj, pPV, SdrSearchOptions::ALSOONMASTER | SdrSearchOptions::BEFOREMARK))
                 {
                     pView->UnmarkAllObj();
@@ -487,7 +487,7 @@ bool FuSelection::MouseButtonUp(const MouseEvent& rMEvt)
     /**************************************************************************
     * Ggf. OLE-Objekt beruecksichtigen
     **************************************************************************/
-    SfxInPlaceClient* pIPClient = pViewShell ? pViewShell->GetIPClient() : NULL;
+    SfxInPlaceClient* pIPClient = pViewShell ? pViewShell->GetIPClient() : nullptr;
 
     if (pIPClient)
     {
@@ -583,7 +583,7 @@ bool FuSelection::MouseButtonUp(const MouseEvent& rMEvt)
     if ( bCopy && pViewData && pDocument && pPage )
     {
         ScDocShell* pDocShell = pViewData->GetDocShell();
-        ScModelObj* pModelObj = ( pDocShell ? ScModelObj::getImplementation( pDocShell->GetModel() ) : NULL );
+        ScModelObj* pModelObj = ( pDocShell ? ScModelObj::getImplementation( pDocShell->GetModel() ) : nullptr );
         if ( pModelObj )
         {
             SCTAB nTab = pViewData->GetTabNo();
diff --git a/sc/source/ui/drawfunc/fusel2.cxx b/sc/source/ui/drawfunc/fusel2.cxx
index 82cb880c0ab9..6894c81cd528 100644
--- a/sc/source/ui/drawfunc/fusel2.cxx
+++ b/sc/source/ui/drawfunc/fusel2.cxx
@@ -60,7 +60,7 @@ bool FuSelection::TestDetective( SdrPageView* pPV, const Point& rPos )
         {
             sal_uInt16 nHitLog = (sal_uInt16) pWindow->PixelToLogic(
                                 Size(pView->GetHitTolerancePixel(),0)).Width();
-            if (SdrObjectPrimitiveHit(*pObject, rPos, nHitLog, *pPV, 0, false))
+            if (SdrObjectPrimitiveHit(*pObject, rPos, nHitLog, *pPV, nullptr, false))
             {
                 ScViewData& rViewData = pViewShell->GetViewData();
                 ScSplitPos ePos = pViewShell->FindWindow( pWindow );
@@ -121,7 +121,7 @@ bool FuSelection::IsNoteCaptionMarked() const
 
 bool FuSelection::IsNoteCaptionClicked( const Point& rPos ) const
 {
-    SdrPageView* pPageView = pView ? pView->GetSdrPageView() : 0;
+    SdrPageView* pPageView = pView ? pView->GetSdrPageView() : nullptr;
     if( pPageView )
     {
         const ScViewData& rViewData = pViewShell->GetViewData();
diff --git a/sc/source/ui/drawfunc/futext.cxx b/sc/source/ui/drawfunc/futext.cxx
index 8f00c253d26c..64c2d79c368f 100644
--- a/sc/source/ui/drawfunc/futext.cxx
+++ b/sc/source/ui/drawfunc/futext.cxx
@@ -110,7 +110,7 @@ static void lcl_UpdateHyphenator( Outliner& rOutliner, SdrObject* pObj )
 FuText::FuText(ScTabViewShell* pViewSh, vcl::Window* pWin, ScDrawView* pViewP,
                    SdrModel* pDoc, SfxRequest& rReq) :
     FuConstruct(pViewSh, pWin, pViewP, pDoc, rReq),
-    pTextObj(NULL)
+    pTextObj(nullptr)
 {
 }
 
@@ -167,7 +167,7 @@ bool FuText::MouseButtonDown(const MouseEvent& rMEvt)
 
         const size_t nHdlNum = pView->GetHdlNum(pHdl);
 
-        if (pHdl != NULL)
+        if (pHdl != nullptr)
         {
             if (pView->HasMarkablePoints() && pView->IsPointMarkable(*pHdl))
             {
@@ -199,9 +199,9 @@ bool FuText::MouseButtonDown(const MouseEvent& rMEvt)
         SdrObject* pObj;
         SdrPageView* pPV;
 
-        if ( pHdl != NULL || pView->IsMarkedHit(aMDPos) )
+        if ( pHdl != nullptr || pView->IsMarkedHit(aMDPos) )
         {
-            if (pHdl == NULL &&
+            if (pHdl == nullptr &&
 //              pView->TakeTextEditObject(aMDPos, pObj, pPV) )
                 pView->PickObj(aMDPos, pView->getHitTolLog(), pObj, pPV, SdrSearchOptions::PICKTEXTEDIT) )
             {
@@ -284,7 +284,7 @@ bool FuText::MouseButtonDown(const MouseEvent& rMEvt)
 
                     pHdl=pView->PickHandle(aMDPos);
 
-                    if (pHdl!=NULL)
+                    if (pHdl!=nullptr)
                     {
                         pView->MarkPoint(*pHdl);
                         pHdl=pView->GetHdl(nHdlNum);
@@ -643,7 +643,7 @@ void FuText::SetInEditMode(SdrObject* pObj, const Point* pMousePixel,
         }
     }
 
-    pTextObj = NULL;
+    pTextObj = nullptr;
 
     if ( pObj )
     {
@@ -725,7 +725,7 @@ SdrObject* FuText::CreateDefaultObject(const sal_uInt16 nID, const Rectangle& rR
 
     SdrObject* pObj = SdrObjFactory::MakeNewObject(
         pView->GetCurrentObjInventor(), pView->GetCurrentObjIdentifier(),
-        0L, pDrDoc);
+        nullptr, pDrDoc);
 
     if(pObj)
     {
diff --git a/sc/source/ui/drawfunc/futext3.cxx b/sc/source/ui/drawfunc/futext3.cxx
index 2c4e8ed7ffc4..f59e88955310 100644
--- a/sc/source/ui/drawfunc/futext3.cxx
+++ b/sc/source/ui/drawfunc/futext3.cxx
@@ -63,7 +63,7 @@ void FuText::StopEditMode(bool /*bTextDirection*/)
     OSL_ENSURE( pDrawLayer && (pDrawLayer == pDrDoc), "FuText::StopEditMode - missing or different drawing layers" );
 
     ScAddress aNotePos;
-    ScPostIt* pNote = 0;
+    ScPostIt* pNote = nullptr;
     if( const ScDrawObjData* pCaptData = ScDrawLayer::GetNoteCaptionData( pObject, rViewData.GetTabNo() ) )
     {
         aNotePos = pCaptData->maStart;
@@ -72,7 +72,7 @@ void FuText::StopEditMode(bool /*bTextDirection*/)
     }
 
     ScDocShell* pDocShell = rViewData.GetDocShell();
-    ::svl::IUndoManager* pUndoMgr = rDoc.IsUndoEnabled() ? pDocShell->GetUndoManager() : 0;
+    ::svl::IUndoManager* pUndoMgr = rDoc.IsUndoEnabled() ? pDocShell->GetUndoManager() : nullptr;
     bool bNewNote = false;
     if( pNote && pUndoMgr )
     {
@@ -109,10 +109,10 @@ void FuText::StopEditMode(bool /*bTextDirection*/)
         deletion by passing sal_True to this function. The return value changes
         from SDRENDTEXTEDIT_DELETED to SDRENDTEXTEDIT_SHOULDBEDELETED in this
         case. */
-    /*SdrEndTextEditKind eResult =*/ pView->SdrEndTextEdit( pNote != 0 );
+    /*SdrEndTextEditKind eResult =*/ pView->SdrEndTextEdit( pNote != nullptr );
 
     // or ScEndTextEdit (with drawview.hxx)
-    pViewShell->SetDrawTextUndo( 0 );
+    pViewShell->SetDrawTextUndo( nullptr );
 
     vcl::Cursor* pCur = pWindow->GetCursor();
     if( pCur && pCur->IsVisible() )
@@ -148,7 +148,7 @@ void FuText::StopEditMode(bool /*bTextDirection*/)
                 rDoc.ReleaseNote(aNotePos);
             }
             // ScDocument::DeleteNote has deleted the note that pNote points to
-            pNote = 0;
+            pNote = nullptr;
         }
 
         // finalize the undo list action
diff --git a/sc/source/ui/drawfunc/graphsh.cxx b/sc/source/ui/drawfunc/graphsh.cxx
index 48bde978398b..6f28525abc73 100644
--- a/sc/source/ui/drawfunc/graphsh.cxx
+++ b/sc/source/ui/drawfunc/graphsh.cxx
@@ -228,7 +228,7 @@ void ScGraphicShell::GetCropGraphicState( SfxItemSet& rSet )
     {
         SdrObject* pObj = rMarkList.GetMark( 0 )->GetMarkedSdrObj();
 
-        if( pObj && 0 != dynamic_cast<const SdrGrafObj*>( pObj) && ( static_cast<SdrGrafObj*>(pObj)->GetGraphicType() == GRAPHIC_BITMAP ) )
+        if( pObj && nullptr != dynamic_cast<const SdrGrafObj*>( pObj) && ( static_cast<SdrGrafObj*>(pObj)->GetGraphicType() == GRAPHIC_BITMAP ) )
             bEnable = true;
     }
 
@@ -300,7 +300,7 @@ void ScGraphicShell::ExecuteChangePicture(SfxRequest& /*rReq*/)
     {
         SdrObject* pObj = rMarkList.GetMark( 0 )->GetMarkedSdrObj();
 
-        if( pObj && 0 != dynamic_cast<const SdrGrafObj*>( pObj) && static_cast<SdrGrafObj*>(pObj)->GetGraphicType() == GRAPHIC_BITMAP )
+        if( pObj && nullptr != dynamic_cast<const SdrGrafObj*>( pObj) && static_cast<SdrGrafObj*>(pObj)->GetGraphicType() == GRAPHIC_BITMAP )
         {
             SdrGrafObj* pGraphicObj = static_cast<SdrGrafObj*>(pObj);
             SvxOpenGraphicDialog aDlg(ScResId(STR_INSERTGRAPHIC));
diff --git a/sc/source/ui/drawfunc/mediash.cxx b/sc/source/ui/drawfunc/mediash.cxx
index a7281ad77115..d04cd4eb1c17 100644
--- a/sc/source/ui/drawfunc/mediash.cxx
+++ b/sc/source/ui/drawfunc/mediash.cxx
@@ -107,7 +107,7 @@ void ScMediaShell::ExecuteMedia( SfxRequest& rReq )
         const SfxPoolItem*  pItem;
 
         if( !pArgs || ( SfxItemState::SET != pArgs->GetItemState( SID_AVMEDIA_TOOLBOX, false, &pItem ) ) )
-            pItem = NULL;
+            pItem = nullptr;
 
         if( pItem )
         {
diff --git a/sc/source/ui/formdlg/dwfunctr.cxx b/sc/source/ui/formdlg/dwfunctr.cxx
index 1dba9a5976c9..9cb5a305258f 100644
--- a/sc/source/ui/formdlg/dwfunctr.cxx
+++ b/sc/source/ui/formdlg/dwfunctr.cxx
@@ -97,7 +97,7 @@ ScFunctionDockWin::ScFunctionDockWin( SfxBindings* pBindingsP,
     aInsertButton   ( VclPtr<ImageButton>::Create( this, ResId( IMB_INSERT, *rResId.GetResMgr() ) ) ),
     aFiFuncDesc     ( VclPtr<FixedText>::Create( this, ResId( FI_FUNCDESC, *rResId.GetResMgr() ) ) ),
     aOldSize        (0,0),
-    pFuncDesc       (NULL)
+    pFuncDesc       (nullptr)
 {
     FreeResource();
     InitLRUList();
@@ -106,7 +106,7 @@ ScFunctionDockWin::ScFunctionDockWin( SfxBindings* pBindingsP,
     aIdle.SetPriority(SchedulerPriority::LOWER);
     aIdle.SetIdleHdl(LINK( this, ScFunctionDockWin, TimerHdl));
 
-    if (pCW != NULL)
+    if (pCW != nullptr)
         eSfxNewAlignment=GetAlignment();
     else
         eSfxNewAlignment=SfxChildAlignment::RIGHT;
@@ -876,7 +876,7 @@ void ScFunctionDockWin::DoEnter()
                 aString += pAllFuncList->GetSelectEntry();
             }
             EditView *pEdView=pHdl->GetActiveView();
-            if(pEdView!=NULL) // @ Wegen Absturz bei Namen festlegen
+            if(pEdView!=nullptr) // @ Wegen Absturz bei Namen festlegen
             {
                 if(nArgs>0)
                 {
@@ -1015,7 +1015,7 @@ IMPL_LINK_NOARG_TYPED(ScFunctionDockWin, TimerHdl, Idle *, void)
 void ScFunctionDockWin::Initialize(SfxChildWinInfo *pInfo)
 {
     OUString aStr;
-    if(pInfo!=NULL)
+    if(pInfo!=nullptr)
     {
         if ( !pInfo->aExtraString.isEmpty() )
         {
diff --git a/sc/source/ui/formdlg/formdata.cxx b/sc/source/ui/formdlg/formdata.cxx
index c97fa2bf2def..cea864d1330a 100644
--- a/sc/source/ui/formdlg/formdata.cxx
+++ b/sc/source/ui/formdlg/formdata.cxx
@@ -21,8 +21,8 @@
 
 ScFormEditData::ScFormEditData()
     : formula::FormEditData()
-    , pInputHandler(NULL)
-    , pScDocShell(NULL)
+    , pInputHandler(nullptr)
+    , pScDocShell(nullptr)
 {
     Reset();
 }
diff --git a/sc/source/ui/formdlg/formula.cxx b/sc/source/ui/formdlg/formula.cxx
index 0a26cd4d77f8..5e1c7e286ea7 100644
--- a/sc/source/ui/formdlg/formula.cxx
+++ b/sc/source/ui/formdlg/formula.cxx
@@ -58,7 +58,7 @@
 using namespace formula;
 using namespace com::sun::star;
 
-ScDocument* ScFormulaDlg::pDoc = NULL;
+ScDocument* ScFormulaDlg::pDoc = nullptr;
 ScAddress ScFormulaDlg::aCursorPos;
 
 //      init/ shared functions for dialog
@@ -71,7 +71,7 @@ ScFormulaDlg::ScFormulaDlg( SfxBindings* pB, SfxChildWindow* pCW,
     m_aHelper.SetWindow(this);
     ScModule* pScMod = SC_MOD();
     pScMod->InputEnterHandler();
-    ScTabViewShell* pScViewShell = NULL;
+    ScTabViewShell* pScViewShell = nullptr;
 
     // title has to be from the view that opened the dialog,
     // even if it's not the current view
@@ -91,7 +91,7 @@ ScFormulaDlg::ScFormulaDlg( SfxBindings* pB, SfxChildWindow* pCW,
         }
     }
 
-    if ( pDoc == NULL )
+    if ( pDoc == nullptr )
         pDoc = pViewData->GetDocument();
     m_xParser.set(ScServiceProvider::MakeInstance(SC_SERVICE_FORMULAPARS, static_cast<ScDocShell*>(pDoc->GetDocumentShell())),uno::UNO_QUERY);
     uno::Reference< beans::XPropertySet> xSet(m_xParser,uno::UNO_QUERY);
@@ -104,7 +104,7 @@ ScFormulaDlg::ScFormulaDlg( SfxBindings* pB, SfxChildWindow* pCW,
     OSL_ENSURE( pInputHdl, "Missing input handler :-/" );
 
     if ( pInputHdl )
-        pInputHdl->NotifyChange( NULL );
+        pInputHdl->NotifyChange( nullptr );
 
     ScFormulaReferenceHelper::enableInput( false );
     ScFormulaReferenceHelper::EnableSpreadsheets();
@@ -189,7 +189,7 @@ void ScFormulaDlg::notifyChange()
 
     ScInputHandler* pInputHdl = pScMod->GetInputHdl();
     if ( pInputHdl )
-        pInputHdl->NotifyChange( NULL );
+        pInputHdl->NotifyChange( nullptr );
 }
 
 void ScFormulaDlg::fill()
@@ -212,7 +212,7 @@ void ScFormulaDlg::fill()
             ScTabViewShell* pTabViewShell;
             ScInputHandler* pInputHdl = GetNextInputHandler(pData->GetDocShell(),&pTabViewShell);
 
-            if ( pInputHdl == NULL ) //no more InputHandler for DocShell
+            if ( pInputHdl == nullptr ) //no more InputHandler for DocShell
             {
                 disableOk();
                 pInputHdl = pScMod->GetInputHdl();
@@ -235,7 +235,7 @@ void ScFormulaDlg::fill()
 
         Update();
         // switch back, maybe new Doc has been opened
-        pScMod->SetRefInputHdl(NULL);
+        pScMod->SetRefInputHdl(nullptr);
     }
 }
 
@@ -253,7 +253,7 @@ void ScFormulaDlg::dispose()
     if (pData) // close dosen't destroy;
     {
         //set back reference input handler
-        pScMod->SetRefInputHdl(NULL);
+        pScMod->SetRefInputHdl(nullptr);
         StoreFormEditData(pData);
     }
     formula::FormulaDlg::dispose();
@@ -279,17 +279,17 @@ bool ScFormulaDlg::IsInputHdl(ScInputHandler* pHdl)
 
 ScInputHandler* ScFormulaDlg::GetNextInputHandler(ScDocShell* pDocShell, ScTabViewShell** ppViewSh)
 {
-    ScInputHandler* pHdl=NULL;
+    ScInputHandler* pHdl=nullptr;
 
     SfxViewFrame* pFrame = SfxViewFrame::GetFirst( pDocShell );
-    while( pFrame && pHdl==NULL)
+    while( pFrame && pHdl==nullptr)
     {
         SfxViewShell* p = pFrame->GetViewShell();
         ScTabViewShell* pViewSh = dynamic_cast< ScTabViewShell *>( p );
-        if(pViewSh!=NULL)
+        if(pViewSh!=nullptr)
         {
             pHdl=pViewSh->GetInputHandler();
-            if(ppViewSh!=NULL) *ppViewSh=pViewSh;
+            if(ppViewSh!=nullptr) *ppViewSh=pViewSh;
         }
         pFrame = SfxViewFrame::GetNext( *pFrame, pDocShell );
     }
@@ -441,7 +441,7 @@ void ScFormulaDlg::SetReference( const ScRange& rRef, ScDocument* pRefDoc )
 bool ScFormulaDlg::IsRefInputMode() const
 {
     const IFunctionDescription* pDesc = getCurrentFunctionDescription();
-    bool bRef = (pDesc && (pDesc->getSuppressedArgumentCount() > 0)) && (pDoc!=NULL);
+    bool bRef = (pDesc && (pDesc->getSuppressedArgumentCount() > 0)) && (pDoc!=nullptr);
     return bRef;
 }
 
@@ -552,11 +552,11 @@ void ScFormulaDlg::deleteFormData()
 }
 void ScFormulaDlg::clear()
 {
-    pDoc = NULL;
+    pDoc = nullptr;
 
     //restore reference inputhandler
     ScModule* pScMod = SC_MOD();
-    pScMod->SetRefInputHdl(NULL);
+    pScMod->SetRefInputHdl(nullptr);
 
     // force Enable() of edit line
     ScTabViewShell* pScViewShell = dynamic_cast<ScTabViewShell*>( SfxViewShell::Current() );
@@ -571,7 +571,7 @@ void ScFormulaDlg::switchBack()
     ScInputHandler* pHdl = pScMod->GetInputHdl();
     if ( pHdl )
     {
-        pHdl->ViewShellGone(NULL);  // -> get active view
+        pHdl->ViewShellGone(nullptr);  // -> get active view
         pHdl->ShowRefFrame();
     }
 
diff --git a/sc/source/ui/inc/AccessibleText.hxx b/sc/source/ui/inc/AccessibleText.hxx
index 9256f3152ffa..8dfea5162682 100644
--- a/sc/source/ui/inc/AccessibleText.hxx
+++ b/sc/source/ui/inc/AccessibleText.hxx
@@ -166,7 +166,7 @@ public:
 
     virtual SvxTextForwarder* GetTextForwarder() override;
     virtual SvxViewForwarder* GetViewForwarder() override;
-    virtual SvxEditViewForwarder* GetEditViewForwarder( bool /* bCreate */ ) override { return NULL; }
+    virtual SvxEditViewForwarder* GetEditViewForwarder( bool /* bCreate */ ) override { return nullptr; }
 
 private:
     ScPreviewViewForwarder* mpViewForwarder;
@@ -189,7 +189,7 @@ public:
 
     virtual SvxTextForwarder* GetTextForwarder() override;
     virtual SvxViewForwarder* GetViewForwarder() override;
-    virtual SvxEditViewForwarder* GetEditViewForwarder( bool /* bCreate */ ) override { return NULL; }
+    virtual SvxEditViewForwarder* GetEditViewForwarder( bool /* bCreate */ ) override { return nullptr; }
 
 private:
     ScPreviewViewForwarder* mpViewForwarder;
@@ -215,7 +215,7 @@ public:
 
     virtual SvxTextForwarder* GetTextForwarder() override;
     virtual SvxViewForwarder* GetViewForwarder() override;
-    virtual SvxEditViewForwarder* GetEditViewForwarder( bool /* bCreate */ ) override { return NULL; }
+    virtual SvxEditViewForwarder* GetEditViewForwarder( bool /* bCreate */ ) override { return nullptr; }
 
     virtual void                UpdateData() override {  }
 private:
@@ -243,7 +243,7 @@ public:
 
     virtual SvxTextForwarder* GetTextForwarder() override;
     virtual SvxViewForwarder* GetViewForwarder() override;
-    virtual SvxEditViewForwarder* GetEditViewForwarder( bool /* bCreate */ ) override { return NULL; }
+    virtual SvxEditViewForwarder* GetEditViewForwarder( bool /* bCreate */ ) override { return nullptr; }
 
     virtual void                UpdateData() override {  }
 private:
diff --git a/sc/source/ui/inc/ChildWindowWrapper.hxx b/sc/source/ui/inc/ChildWindowWrapper.hxx
index ed41525bbf60..29d6374f139d 100644
--- a/sc/source/ui/inc/ChildWindowWrapper.hxx
+++ b/sc/source/ui/inc/ChildWindowWrapper.hxx
@@ -50,7 +50,7 @@ public:
 
     static void RegisterChildWindow (
                     bool   bVisible = false,
-                    SfxModule* pModule  = NULL,
+                    SfxModule* pModule  = nullptr,
                     SfxChildWindowFlags nFlags = SfxChildWindowFlags::NONE)
     {
         SfxChildWinFactory* pFactory = new SfxChildWinFactory(ChildWindowWrapper::CreateImpl, WindowID, CHILDWIN_NOPOS );
@@ -75,16 +75,16 @@ private:
     static ScTabViewShell* getTabViewShell( SfxBindings *pBindings )
     {
         if( !pBindings )
-            return NULL;
+            return nullptr;
         SfxDispatcher* pDispacher = pBindings ->GetDispatcher();
         if( !pDispacher )
-            return NULL;
+            return nullptr;
         SfxViewFrame* pFrame = pDispacher->GetFrame();
         if( !pFrame )
-            return NULL;
+            return nullptr;
         SfxViewShell* pViewShell = pFrame->GetViewShell();
         if( !pViewShell )
-            return NULL;
+            return nullptr;
         return dynamic_cast<ScTabViewShell*>( pViewShell );
     }
 };
diff --git a/sc/source/ui/inc/IAnyRefDialog.hxx b/sc/source/ui/inc/IAnyRefDialog.hxx
index 0f0ee946d694..cbaf82614261 100644
--- a/sc/source/ui/inc/IAnyRefDialog.hxx
+++ b/sc/source/ui/inc/IAnyRefDialog.hxx
@@ -36,7 +36,7 @@ public:
     virtual ~IAnyRefDialog(){}
 
     virtual void SetReference( const ScRange& rRef, ScDocument* pDoc ) = 0;
-    virtual void RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL ) = 0;
+    virtual void RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr ) = 0;
     virtual void RefInputDone( bool bForced = false ) = 0;
     virtual bool IsTableLocked() const = 0;
     virtual bool IsRefInputMode() const = 0;
diff --git a/sc/source/ui/inc/acredlin.hxx b/sc/source/ui/inc/acredlin.hxx
index 7b5e256d089e..64cae06eb11c 100644
--- a/sc/source/ui/inc/acredlin.hxx
+++ b/sc/source/ui/inc/acredlin.hxx
@@ -124,12 +124,12 @@ protected:
 
     SvTreeListEntry* InsertChangeAction(
         const ScChangeAction* pScChangeAction,ScChangeActionState eState,
-        SvTreeListEntry* pParent=NULL,bool bDelMaster = false,
+        SvTreeListEntry* pParent=nullptr,bool bDelMaster = false,
         bool bDisabled = false,sal_uLong nPos = TREELIST_APPEND);
 
     SvTreeListEntry* InsertFilteredAction(
         const ScChangeAction* pScChangeAction,ScChangeActionState eState,
-        SvTreeListEntry* pParent = NULL,bool bDelMaster = false,
+        SvTreeListEntry* pParent = nullptr,bool bDelMaster = false,
         bool bDisabled = false, sal_uLong nPos = TREELIST_APPEND);
 
     SvTreeListEntry*    InsertChangeActionContent(const ScChangeActionContent* pScChangeAction,
diff --git a/sc/source/ui/inc/anyrefdg.hxx b/sc/source/ui/inc/anyrefdg.hxx
index 7889664ca3f7..dd5da2a6d6cb 100644
--- a/sc/source/ui/inc/anyrefdg.hxx
+++ b/sc/source/ui/inc/anyrefdg.hxx
@@ -82,11 +82,11 @@ public:
     void                Init();
 
     void                ShowReference(const OUString& rStr);
-    void                ReleaseFocus( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL );
+    void                ReleaseFocus( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr );
     void                HideReference( bool bDoneRefMode = true );
-    void                RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL );
+    void                RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr );
     void                RefInputDone( bool bForced = false );
-    void                ToggleCollapsed( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL );
+    void                ToggleCollapsed( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr );
 
     inline void         SetWindow(vcl::Window* _pWindow) { m_pWindow = _pWindow; }
     bool                DoClose( sal_uInt16 nId );
@@ -130,7 +130,7 @@ protected:
 
     static void         SetDispatcherLock( bool bLock );
 
-    virtual void        RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL ) override;
+    virtual void        RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr ) override;
     virtual void        RefInputDone( bool bForced = false ) override;
 
     bool                ParseWithNames( ScRangeList& rRanges, const OUString& rStr, ScDocument* pDoc );
@@ -149,8 +149,8 @@ public:
     virtual void        ShowReference(const OUString& rStr) override;
     virtual void        HideReference( bool bDoneRefMode = true ) override;
 
-    virtual void        ToggleCollapsed( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL ) override;
-    virtual void        ReleaseFocus( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL ) override;
+    virtual void        ToggleCollapsed( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr ) override;
+    virtual void        ReleaseFocus( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr ) override;
 
     virtual void        ViewShellChanged() override;
     void                SwitchToDocument();
@@ -177,10 +177,10 @@ private:
         TParentWindow* pParent, const OUString& rID, const OUString& rUIXMLDescription );
 
     template<class TParentWindow, class TResId, class TArg>
-    ScRefHdlrImplBase( TParentWindow* pParent, TResId nResId, const TArg &rArg, SfxBindings *pB = NULL );
+    ScRefHdlrImplBase( TParentWindow* pParent, TResId nResId, const TArg &rArg, SfxBindings *pB = nullptr );
 
     template<class TParentWindow, class TArg>
-    ScRefHdlrImplBase( TParentWindow* pParent, const OUString& rID, const OUString& rUIXMLDescription, const TArg &rArg, SfxBindings *pB = NULL );
+    ScRefHdlrImplBase( TParentWindow* pParent, const OUString& rID, const OUString& rUIXMLDescription, const TArg &rArg, SfxBindings *pB = nullptr );
 
     virtual ~ScRefHdlrImplBase();
 
diff --git a/sc/source/ui/inc/cellsh.hxx b/sc/source/ui/inc/cellsh.hxx
index 84810ef2b1a7..3208f8502cf9 100644
--- a/sc/source/ui/inc/cellsh.hxx
+++ b/sc/source/ui/inc/cellsh.hxx
@@ -41,9 +41,9 @@ struct CellShell_Impl
     SfxRequest*                     m_pRequest;
 
     CellShell_Impl() :
-        m_pClipEvtLstnr( NULL ),
-        m_pLinkedDlg( NULL ),
-        m_pRequest( NULL ) {}
+        m_pClipEvtLstnr( nullptr ),
+        m_pLinkedDlg( nullptr ),
+        m_pRequest( nullptr ) {}
 };
 
 class ScCellShell: public ScFormatShell
diff --git a/sc/source/ui/inc/condformatdlgentry.hxx b/sc/source/ui/inc/condformatdlgentry.hxx
index 5c77a0e832cd..4ca6a9f1a38c 100644
--- a/sc/source/ui/inc/condformatdlgentry.hxx
+++ b/sc/source/ui/inc/condformatdlgentry.hxx
@@ -117,7 +117,7 @@ protected:
 
 public:
     ScConditionFrmtEntry( vcl::Window* pParent, ScDocument* pDoc, ScCondFormatDlg* pDialogParent,
-            const ScAddress& rPos, const ScCondFormatEntry* pFormatEntry = NULL );
+            const ScAddress& rPos, const ScCondFormatEntry* pFormatEntry = nullptr );
     virtual ~ScConditionFrmtEntry();
     virtual void dispose() override;
 
@@ -145,7 +145,7 @@ class ScFormulaFrmtEntry : public ScCondFrmtEntry
     DECL_LINK_TYPED( StyleSelectHdl, ListBox&, void );
 
 public:
-    ScFormulaFrmtEntry( vcl::Window* pParent, ScDocument* PDoc, ScCondFormatDlg* pDialogParent, const ScAddress& rPos, const ScCondFormatEntry* pFormatEntry = NULL );
+    ScFormulaFrmtEntry( vcl::Window* pParent, ScDocument* PDoc, ScCondFormatDlg* pDialogParent, const ScAddress& rPos, const ScCondFormatEntry* pFormatEntry = nullptr );
     virtual ~ScFormulaFrmtEntry();
     virtual void dispose() override;
 
@@ -178,7 +178,7 @@ class ScColorScale2FrmtEntry : public ScCondFrmtEntry
 
     DECL_LINK_TYPED( EntryTypeHdl, ListBox&, void );
 public:
-    ScColorScale2FrmtEntry( vcl::Window* pParent, ScDocument* pDoc, const ScAddress& rPos, const ScColorScaleFormat* pFormat = NULL );
+    ScColorScale2FrmtEntry( vcl::Window* pParent, ScDocument* pDoc, const ScAddress& rPos, const ScColorScaleFormat* pFormat = nullptr );
     virtual ~ScColorScale2FrmtEntry();
     virtual void dispose() override;
     virtual ScFormatEntry* GetEntry() const override;
@@ -213,7 +213,7 @@ class ScColorScale3FrmtEntry : public ScCondFrmtEntry
 
     DECL_LINK_TYPED( EntryTypeHdl, ListBox&, void );
 public:
-    ScColorScale3FrmtEntry( vcl::Window* pParent, ScDocument* pDoc, const ScAddress& rPos, const ScColorScaleFormat* pFormat = NULL );
+    ScColorScale3FrmtEntry( vcl::Window* pParent, ScDocument* pDoc, const ScAddress& rPos, const ScColorScaleFormat* pFormat = nullptr );
     virtual ~ScColorScale3FrmtEntry();
     virtual void dispose() override;
     virtual ScFormatEntry* GetEntry() const override;
@@ -245,7 +245,7 @@ class ScDataBarFrmtEntry : public ScCondFrmtEntry
     DECL_LINK_TYPED( OptionBtnHdl, Button*, void );
     DECL_LINK_TYPED( DataBarTypeSelectHdl, ListBox&, void );
 public:
-    ScDataBarFrmtEntry( vcl::Window* pParemt, ScDocument* pDoc, const ScAddress& rPos, const ScDataBarFormat* pFormat = NULL );
+    ScDataBarFrmtEntry( vcl::Window* pParemt, ScDocument* pDoc, const ScAddress& rPos, const ScDataBarFormat* pFormat = nullptr );
     virtual ~ScDataBarFrmtEntry();
     virtual void dispose() override;
     virtual ScFormatEntry* GetEntry() const override;
@@ -258,7 +258,7 @@ public:
 class ScDateFrmtEntry : public ScCondFrmtEntry, public SfxListener
 {
 public:
-    ScDateFrmtEntry( vcl::Window* pParent, ScDocument* pDoc, const ScCondDateFormatEntry* pFormat = NULL );
+    ScDateFrmtEntry( vcl::Window* pParent, ScDocument* pDoc, const ScCondDateFormatEntry* pFormat = nullptr );
     virtual ~ScDateFrmtEntry();
     virtual void dispose() override;
     virtual ScFormatEntry* GetEntry() const override;
@@ -302,7 +302,7 @@ class ScIconSetFrmtEntry : public ScCondFrmtEntry
     DECL_LINK_TYPED( IconSetTypeHdl, ListBox&, void );
 
 public:
-    ScIconSetFrmtEntry( vcl::Window* pParent, ScDocument* pDoc, const ScAddress& rPos, const ScIconSetFormat* pFormat = NULL );
+    ScIconSetFrmtEntry( vcl::Window* pParent, ScDocument* pDoc, const ScAddress& rPos, const ScIconSetFormat* pFormat = nullptr );
     virtual ~ScIconSetFrmtEntry();
     virtual void dispose() override;
     virtual ScFormatEntry* GetEntry() const override;
diff --git a/sc/source/ui/inc/content.hxx b/sc/source/ui/inc/content.hxx
index 9d28dfb31e25..ba8b6face8c6 100644
--- a/sc/source/ui/inc/content.hxx
+++ b/sc/source/ui/inc/content.hxx
@@ -126,7 +126,7 @@ public:
     OUString GetEntryAltText( SvTreeListEntry* pEntry ) const override;
     OUString GetEntryLongDescription( SvTreeListEntry* pEntry ) const override;
 
-    void     ObjectFresh( ScContentId nType, SvTreeListEntry* pEntry = NULL);
+    void     ObjectFresh( ScContentId nType, SvTreeListEntry* pEntry = nullptr);
     bool     SetNavigatorDlgFlag(bool isInNavigatoeDlg){ return bisInNavigatoeDlg=isInNavigatoeDlg;};
     virtual void    MouseButtonDown( const MouseEvent& rMEvt ) override;
     virtual void    KeyInput( const KeyEvent& rKEvt ) override;
diff --git a/sc/source/ui/inc/dbfunc.hxx b/sc/source/ui/inc/dbfunc.hxx
index f5a1238a0a08..e21194815ef3 100644
--- a/sc/source/ui/inc/dbfunc.hxx
+++ b/sc/source/ui/inc/dbfunc.hxx
@@ -55,7 +55,7 @@ public:
     SC_DLLPUBLIC void           Query( const ScQueryParam& rQueryParam,
                            const ScRange* pAdvSource, bool bRecord );
     void            DoSubTotals( const ScSubTotalParam& rParam, bool bRecord = true,
-                            const ScSortParam* pForceNewSort = NULL );
+                            const ScSortParam* pForceNewSort = nullptr );
 
     void            ToggleAutoFilter();
     void            HideAutoFilter();
@@ -86,11 +86,11 @@ public:
     void            UngroupDataPilot();
     void DataPilotInput( const ScAddress& rPos, const OUString& rString );
 
-    bool            DataPilotSort( const ScAddress& rPos, bool bAscending, sal_uInt16* pUserListId = NULL );
+    bool            DataPilotSort( const ScAddress& rPos, bool bAscending, sal_uInt16* pUserListId = nullptr );
     bool            DataPilotMove( const ScRange& rSource, const ScAddress& rDest );
 
     bool HasSelectionForDrillDown( sal_uInt16& rOrientation );
-    void SetDataPilotDetails(bool bShow, const OUString* pNewDimensionName = NULL);
+    void SetDataPilotDetails(bool bShow, const OUString* pNewDimensionName = nullptr);
 
     void            ShowDataPilotSourceData( ScDPObject& rDPObj,
                         const css::uno::Sequence< css::sheet::DataPilotFieldFilter >& rFilters );
diff --git a/sc/source/ui/inc/docsh.hxx b/sc/source/ui/inc/docsh.hxx
index a190472a3b73..0a465cbcf2d5 100644
--- a/sc/source/ui/inc/docsh.hxx
+++ b/sc/source/ui/inc/docsh.hxx
@@ -249,7 +249,7 @@ public:
     void            GetStatePageStyle( SfxViewShell& rCaller, SfxItemSet& rSet, SCTAB nCurTab );
 
     void            CompareDocument( ScDocument& rOtherDoc );
-    void            MergeDocument( ScDocument& rOtherDoc, bool bShared = false, bool bCheckDuplicates = false, sal_uLong nOffset = 0, ScChangeActionMergeMap* pMergeMap = NULL, bool bInverseMap = false );
+    void            MergeDocument( ScDocument& rOtherDoc, bool bShared = false, bool bCheckDuplicates = false, sal_uLong nOffset = 0, ScChangeActionMergeMap* pMergeMap = nullptr, bool bInverseMap = false );
     bool            MergeSharedDocument( ScDocShell* pSharedDocShell );
 
     ScChangeAction* GetChangeAction( const ScAddress& rPos );
@@ -277,7 +277,7 @@ public:
     bool            IsEditable() const;
 
     bool            AdjustRowHeight( SCROW nStartRow, SCROW nEndRow, SCTAB nTab );
-    void            UpdateAllRowHeights( const ScMarkData* pTabMark = NULL );
+    void            UpdateAllRowHeights( const ScMarkData* pTabMark = nullptr );
     void            UpdatePendingRowHeights( SCTAB nUpdateTab, bool bBefore = false );
 
     void            RefreshPivotTables( const ScRange& rSource );
@@ -326,7 +326,7 @@ public:
     void            PostPaintGridAll();
     void            PostPaintExtras();
 
-    bool            IsPaintLocked() const { return pPaintLockData != NULL; }
+    bool            IsPaintLocked() const { return pPaintLockData != nullptr; }
 
     void            PostDataChanged();
 
@@ -474,7 +474,7 @@ namespace HelperNotifyChanges
         ScModelObj* pModelObj = ScModelObj::getImplementation(rDocShell.GetModel());
         if (pModelObj && pModelObj->HasChangesListeners())
             return pModelObj;
-        return NULL;
+        return nullptr;
     }
 
     inline void Notify(ScModelObj &rModelObj, const ScRangeList &rChangeRanges,
diff --git a/sc/source/ui/inc/dpcontrol.hxx b/sc/source/ui/inc/dpcontrol.hxx
index e4030752386a..bff1e5c6781c 100644
--- a/sc/source/ui/inc/dpcontrol.hxx
+++ b/sc/source/ui/inc/dpcontrol.hxx
@@ -38,8 +38,8 @@ class ScDocument;
 class ScDPFieldButton
 {
 public:
-    ScDPFieldButton(OutputDevice* pOutDev, const StyleSettings* pStyle, const Fraction* pZoomX = NULL, const Fraction* pZoomY = NULL,
-                    ScDocument* pDoc = NULL);
+    ScDPFieldButton(OutputDevice* pOutDev, const StyleSettings* pStyle, const Fraction* pZoomX = nullptr, const Fraction* pZoomY = nullptr,
+                    ScDocument* pDoc = nullptr);
     ~ScDPFieldButton();
 
     void setText(const OUString& rText);
diff --git a/sc/source/ui/inc/drawview.hxx b/sc/source/ui/inc/drawview.hxx
index bf8312eb5abb..0705153de94c 100644
--- a/sc/source/ui/inc/drawview.hxx
+++ b/sc/source/ui/inc/drawview.hxx
@@ -71,11 +71,11 @@ public:
 
     virtual bool    SdrBeginTextEdit(
                       SdrObject* pObj,
-                      SdrPageView* pPV = 0L,
-                      vcl::Window* pWin = 0L,
+                      SdrPageView* pPV = nullptr,
+                      vcl::Window* pWin = nullptr,
                       bool bIsNewObj = false,
-                      SdrOutliner* pGivenOutliner = 0L,
-                      OutlinerView* pGivenOutlinerView = 0L,
+                      SdrOutliner* pGivenOutliner = nullptr,
+                      OutlinerView* pGivenOutlinerView = nullptr,
                       bool bDontDeleteOutliner = false,
                       bool bOnlyOneView = false,
                       bool bGrabFocus = true) override;
@@ -118,7 +118,7 @@ public:
 
     /** Returns the selected object, if it is the caption object of a cell note.
         @param ppCaptData  (out-param) If not null, returns the pointer to the caption object data. */
-    SdrObject*      GetMarkedNoteCaption( ScDrawObjData** ppCaptData = 0 );
+    SdrObject*      GetMarkedNoteCaption( ScDrawObjData** ppCaptData = nullptr );
 
     /** Locks/unlocks the specified layer in the draw page.
         Unlocked layer is required to be able to edit the contained objects. */
diff --git a/sc/source/ui/inc/formula.hxx b/sc/source/ui/inc/formula.hxx
index 92be94f60270..7efa75954fa2 100644
--- a/sc/source/ui/inc/formula.hxx
+++ b/sc/source/ui/inc/formula.hxx
@@ -87,8 +87,8 @@ public:
     virtual void HideReference( bool bDoneRefMode = true ) override;
     virtual void SetReference( const ScRange& rRef, ScDocument* pD ) override;
 
-    virtual void ReleaseFocus( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL ) override;
-    virtual void ToggleCollapsed( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL ) override;
+    virtual void ReleaseFocus( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr ) override;
+    virtual void ToggleCollapsed( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr ) override;
     virtual void RefInputDone( bool bForced = false ) override;
     virtual bool IsTableLocked() const override;
     virtual bool IsRefInputMode() const override;
@@ -99,7 +99,7 @@ public:
     virtual void ViewShellChanged() override;
 protected:
 
-    virtual void RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL ) override;
+    virtual void RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr ) override;
     static void  SaveLRUEntry(const ScFuncDesc* pFuncDesc);
 
     static bool  IsInputHdl(ScInputHandler* pHdl);
diff --git a/sc/source/ui/inc/futext.hxx b/sc/source/ui/inc/futext.hxx
index 8e5879aad94c..bb9118207752 100644
--- a/sc/source/ui/inc/futext.hxx
+++ b/sc/source/ui/inc/futext.hxx
@@ -48,8 +48,8 @@ public:
 
     virtual void ForcePointer(const MouseEvent* pMEvt) override;
 
-    void    SetInEditMode( SdrObject* pObj = NULL, const Point* pMousePixel = NULL,
-                            bool bCursorToEnd = false, const KeyEvent* pInitialKey = NULL );
+    void    SetInEditMode( SdrObject* pObj = nullptr, const Point* pMousePixel = nullptr,
+                            bool bCursorToEnd = false, const KeyEvent* pInitialKey = nullptr );
     void    StopEditMode(bool bTextDirection = false);
 
     // Create default drawing objects via keyboard
diff --git a/sc/source/ui/inc/gridwin.hxx b/sc/source/ui/inc/gridwin.hxx
index 4f82167ff775..ba0aabd6d4b6 100644
--- a/sc/source/ui/inc/gridwin.hxx
+++ b/sc/source/ui/inc/gridwin.hxx
@@ -267,15 +267,15 @@ class ScGridWindow : public vcl::Window, public DropTargetHelper, public DragSou
     void            DrawPagePreview( SCCOL nX1, SCROW nY1, SCCOL nX2, SCROW nY2, vcl::RenderContext& rRenderContext);
 
     bool            GetEditUrl( const Point& rPos,
-                                OUString* pName=0, OUString* pUrl=0, OUString* pTarget=0 );
+                                OUString* pName=nullptr, OUString* pUrl=nullptr, OUString* pTarget=nullptr );
 
     bool IsSpellErrorAtPos( const Point& rPos, SCCOL nCol1, SCROW nRow );
 
-    bool            HitRangeFinder( const Point& rMouse, RfCorner& rCorner, sal_uInt16* pIndex = NULL,
-                                    SCsCOL* pAddX = NULL, SCsROW* pAddY = NULL );
+    bool            HitRangeFinder( const Point& rMouse, RfCorner& rCorner, sal_uInt16* pIndex = nullptr,
+                                    SCsCOL* pAddX = nullptr, SCsROW* pAddY = nullptr );
 
-    sal_uInt16          HitPageBreak( const Point& rMouse, ScRange* pSource = NULL,
-                                    SCCOLROW* pBreak = NULL, SCCOLROW* pPrev = NULL );
+    sal_uInt16          HitPageBreak( const Point& rMouse, ScRange* pSource = nullptr,
+                                    SCCOLROW* pBreak = nullptr, SCCOLROW* pPrev = nullptr );
 
     /** The cell may be covered by text that overflows from a previous cell.
 
diff --git a/sc/source/ui/inc/inputhdl.hxx b/sc/source/ui/inc/inputhdl.hxx
index 63f5fd218478..52986836d822 100644
--- a/sc/source/ui/inc/inputhdl.hxx
+++ b/sc/source/ui/inc/inputhdl.hxx
@@ -123,7 +123,7 @@ private:
 
 private:
     void            UpdateActiveView();
-    void            SyncViews( EditView* pSourceView = NULL );
+    void            SyncViews( EditView* pSourceView = nullptr );
     /**
      * @param cTyped typed character. If 0, look at existing document content
      *               for text or number.
@@ -166,7 +166,7 @@ public:
                     ScInputHandler();
     virtual         ~ScInputHandler();
 
-    void SetMode( ScInputMode eNewMode, const OUString* pInitText = NULL );
+    void SetMode( ScInputMode eNewMode, const OUString* pInitText = nullptr );
     bool            IsInputMode() const { return (eMode != SC_INPUT_NONE); }
     bool            IsEditMode() const  { return (eMode != SC_INPUT_NONE &&
                                                   eMode != SC_INPUT_TYPE); }
@@ -197,7 +197,7 @@ public:
     void            SetRefViewShell(ScTabViewShell* pRefVsh) {pRefViewSh=pRefVsh;}
 
     void            NotifyChange( const ScInputHdlState* pState, bool bForce = false,
-                                  ScTabViewShell* pSourceSh = NULL,
+                                  ScTabViewShell* pSourceSh = nullptr,
                                   bool bStopEditing = true);
     void            UpdateCellAdjust( SvxCellHorJustify eJust );
 
diff --git a/sc/source/ui/inc/inscodlg.hxx b/sc/source/ui/inc/inscodlg.hxx
index d321c8b87bac..a1824a819e2d 100644
--- a/sc/source/ui/inc/inscodlg.hxx
+++ b/sc/source/ui/inc/inscodlg.hxx
@@ -32,7 +32,7 @@ class ScInsertContentsDlg : public ModalDialog
 public:
             ScInsertContentsDlg( vcl::Window*          pParent,
                                  InsertDeleteFlags nCheckDefaults = InsertDeleteFlags::NONE,
-                                 const OUString*  pStrTitle = NULL );
+                                 const OUString*  pStrTitle = nullptr );
             virtual ~ScInsertContentsDlg();
     virtual void dispose() override;
 
diff --git a/sc/source/ui/inc/instbdlg.hxx b/sc/source/ui/inc/instbdlg.hxx
index 07a96810085e..ffa2548d0a18 100644
--- a/sc/source/ui/inc/instbdlg.hxx
+++ b/sc/source/ui/inc/instbdlg.hxx
@@ -51,8 +51,8 @@ public:
     bool        GetTablesFromFile() const { return m_pBtnFromFile->IsChecked(); }
     bool        GetTablesAsLink() const { return m_pBtnLink->IsChecked(); }
 
-    const OUString* GetFirstTable( sal_uInt16* pN = NULL );
-    const OUString* GetNextTable( sal_uInt16* pN = NULL );
+    const OUString* GetFirstTable( sal_uInt16* pN = nullptr );
+    const OUString* GetNextTable( sal_uInt16* pN = nullptr );
     ScDocShell*     GetDocShellTables() { return pDocShTables; }
     bool        IsTableBefore() const { return m_pBtnBefore->IsChecked(); }
     SCTAB           GetTableCount() const { return nTableCount;}
diff --git a/sc/source/ui/inc/navipi.hxx b/sc/source/ui/inc/navipi.hxx
index 4aa8afd4aa46..b6b615227bb4 100644
--- a/sc/source/ui/inc/navipi.hxx
+++ b/sc/source/ui/inc/navipi.hxx
@@ -273,12 +273,12 @@ private:
     static ScNavigatorSettings* GetNavigatorSettings();
     bool                    GetViewData();
 
-    void    UpdateColumn    ( const SCCOL* pCol = NULL );
-    void    UpdateRow       ( const SCROW* pRow = NULL );
-    void    UpdateTable     ( const SCTAB* pTab = NULL );
+    void    UpdateColumn    ( const SCCOL* pCol = nullptr );
+    void    UpdateRow       ( const SCROW* pRow = nullptr );
+    void    UpdateTable     ( const SCTAB* pTab = nullptr );
     void    UpdateAll       ();
 
-    void    GetDocNames(const OUString* pSelEntry = NULL);
+    void    GetDocNames(const OUString* pSelEntry = nullptr);
 
     void    SetListMode     ( NavListMode eMode, bool bSetSize = true );
     void    ShowList        ( bool bShow, bool bSetSize );
diff --git a/sc/source/ui/inc/output.hxx b/sc/source/ui/inc/output.hxx
index 2dd5dfbb10d7..601a90bfa24d 100644
--- a/sc/source/ui/inc/output.hxx
+++ b/sc/source/ui/inc/output.hxx
@@ -262,8 +262,8 @@ public:
                                     SCTAB nNewTab, long nNewScrX, long nNewScrY,
                                     SCCOL nNewX1, SCROW nNewY1, SCCOL nNewX2, SCROW nNewY2,
                                     double nPixelPerTwipsX, double nPixelPerTwipsY,
-                                    const Fraction* pZoomX = NULL,
-                                    const Fraction* pZoomY = NULL );
+                                    const Fraction* pZoomX = nullptr,
+                                    const Fraction* pZoomY = nullptr );
 
                     ~ScOutputData();
 
diff --git a/sc/source/ui/inc/printfun.hxx b/sc/source/ui/inc/printfun.hxx
index 7b7e96047cb9..9ba5a366b132 100644
--- a/sc/source/ui/inc/printfun.hxx
+++ b/sc/source/ui/inc/printfun.hxx
@@ -106,7 +106,7 @@ private:
     //!     Cache Number of really visible?
 
 public:
-            ScPageRowEntry()    { nStartRow = nEndRow = 0; nPagesX = 0; pHidden = NULL; }
+            ScPageRowEntry()    { nStartRow = nEndRow = 0; nPagesX = 0; pHidden = nullptr; }
             ~ScPageRowEntry()   { delete[] pHidden; }
 
             ScPageRowEntry(const ScPageRowEntry& r);
@@ -220,16 +220,16 @@ private:
 public:
                     ScPrintFunc( ScDocShell* pShell, SfxPrinter* pNewPrinter, SCTAB nTab,
                                  long nPage = 0, long nDocP = 0,
-                                 const ScRange* pArea = NULL,
-                                 const ScPrintOptions* pOptions = NULL,
-                                 ScPageBreakData* pData = NULL );
+                                 const ScRange* pArea = nullptr,
+                                 const ScPrintOptions* pOptions = nullptr,
+                                 ScPageBreakData* pData = nullptr );
 
                     // ctors for device other than printer - for preview and pdf:
 
                     ScPrintFunc( OutputDevice* pOutDev, ScDocShell* pShell, SCTAB nTab,
                                  long nPage = 0, long nDocP = 0,
-                                 const ScRange* pArea = NULL,
-                                 const ScPrintOptions* pOptions = NULL );
+                                 const ScRange* pArea = nullptr,
+                                 const ScPrintOptions* pOptions = nullptr );
 
                     ScPrintFunc( OutputDevice* pOutDev, ScDocShell* pShell,
                                  const ScPrintState& rState,
diff --git a/sc/source/ui/inc/scuiimoptdlg.hxx b/sc/source/ui/inc/scuiimoptdlg.hxx
index 8d41f081146f..e254d45e2d1c 100644
--- a/sc/source/ui/inc/scuiimoptdlg.hxx
+++ b/sc/source/ui/inc/scuiimoptdlg.hxx
@@ -30,8 +30,8 @@ class ScImportOptionsDlg : public ModalDialog
 public:
     ScImportOptionsDlg( vcl::Window*                 pParent,
                         bool                    bAscii = true,
-                        const ScImportOptions*  pOptions = NULL,
-                        const OUString*         pStrTitle = NULL,
+                        const ScImportOptions*  pOptions = nullptr,
+                        const OUString*         pStrTitle = nullptr,
                         bool                    bMultiByte = false,
                         bool                    bOnlyDbtoolsEncodings = false,
                         bool                    bImport = true );
diff --git a/sc/source/ui/inc/spellparam.hxx b/sc/source/ui/inc/spellparam.hxx
index fb326f60cd8c..061c0c2517a0 100644
--- a/sc/source/ui/inc/spellparam.hxx
+++ b/sc/source/ui/inc/spellparam.hxx
@@ -55,7 +55,7 @@ public:
     inline ScConversionType GetType() const     { return meConvType; }
     inline LanguageType GetSourceLang() const   { return meSourceLang; }
     inline LanguageType GetTargetLang() const   { return meTargetLang; }
-    inline const vcl::Font*  GetTargetFont() const   { return mbUseTargetFont ? &maTargetFont : 0; }
+    inline const vcl::Font*  GetTargetFont() const   { return mbUseTargetFont ? &maTargetFont : nullptr; }
     inline sal_Int32    GetOptions() const      { return mnOptions; }
     inline bool         IsInteractive() const   { return mbIsInteractive; }
 
diff --git a/sc/source/ui/inc/tabpages.hxx b/sc/source/ui/inc/tabpages.hxx
index e5dedcc20710..d48d63228b86 100644
--- a/sc/source/ui/inc/tabpages.hxx
+++ b/sc/source/ui/inc/tabpages.hxx
@@ -40,7 +40,7 @@ public:
 
 protected:
     using SfxTabPage::DeactivatePage;
-    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = NULL ) override;
+    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = nullptr ) override;
 
 private:
                 ScTabPageProtection( vcl::Window*            pParent,
diff --git a/sc/source/ui/inc/tabview.hxx b/sc/source/ui/inc/tabview.hxx
index 820aecd1512a..ddc89eec1f9b 100644
--- a/sc/source/ui/inc/tabview.hxx
+++ b/sc/source/ui/inc/tabview.hxx
@@ -204,8 +204,8 @@ private:
     void            PaintRangeFinderEntry (ScRangeFindData* pData, SCTAB nTab);
 
 protected:
-    void            UpdateHeaderWidth( const ScVSplitPos* pWhich = NULL,
-                                        const SCROW* pPosY = NULL );
+    void            UpdateHeaderWidth( const ScVSplitPos* pWhich = nullptr,
+                                        const SCROW* pPosY = nullptr );
 
     void            HideTip();
     void            ShowRefTip();
@@ -350,7 +350,7 @@ public:
     void            ShowAllCursors();
 
     void            AlignToCursor( SCsCOL nCurX, SCsROW nCurY, ScFollowMode eMode,
-                                    const ScSplitPos* pWhich = NULL );
+                                    const ScSplitPos* pWhich = nullptr );
 
     SvxZoomType     GetZoomType() const;
     void            SetZoomType( SvxZoomType eNew, bool bAll );
diff --git a/sc/source/ui/inc/tabvwsh.hxx b/sc/source/ui/inc/tabvwsh.hxx
index a1621110d3e0..dc1d8350e5a0 100644
--- a/sc/source/ui/inc/tabvwsh.hxx
+++ b/sc/source/ui/inc/tabvwsh.hxx
@@ -352,7 +352,7 @@ public:
     void    InsertURL( const OUString& rName, const OUString& rURL, const OUString& rTarget,
                             sal_uInt16 nMode );
     void    InsertURLButton( const OUString& rName, const OUString& rURL, const OUString& rTarget,
-                            const Point* pInsPos = NULL );
+                            const Point* pInsPos = nullptr );
     void    InsertURLField( const OUString& rName, const OUString& rURL, const OUString& rTarget );
 
     bool    SelectObject( const OUString& rName );
diff --git a/sc/source/ui/inc/tpcalc.hxx b/sc/source/ui/inc/tpcalc.hxx
index ea7177a9298b..9476ac151cf2 100644
--- a/sc/source/ui/inc/tpcalc.hxx
+++ b/sc/source/ui/inc/tpcalc.hxx
@@ -38,7 +38,7 @@ public:
     virtual bool        FillItemSet     ( SfxItemSet* rCoreSet ) override;
     virtual void        Reset           ( const SfxItemSet* rCoreSet ) override;
     using SfxTabPage::DeactivatePage;
-    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = NULL ) override;
+    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = nullptr ) override;
 
 private:
                 ScTpCalcOptions( vcl::Window*            pParent,
diff --git a/sc/source/ui/inc/tpcompatibility.hxx b/sc/source/ui/inc/tpcompatibility.hxx
index 69e9a78f4274..d0842af95041 100644
--- a/sc/source/ui/inc/tpcompatibility.hxx
+++ b/sc/source/ui/inc/tpcompatibility.hxx
@@ -24,7 +24,7 @@ public:
 
     virtual bool FillItemSet(SfxItemSet* rCoreAttrs) override;
     virtual void Reset(const SfxItemSet* rCoreAttrs) override;
-    virtual sfxpg DeactivatePage(SfxItemSet* pSet = NULL) override;
+    virtual sfxpg DeactivatePage(SfxItemSet* pSet = nullptr) override;
 
     virtual ~ScTpCompatOptions();
     virtual void dispose() override;
diff --git a/sc/source/ui/inc/tpdefaults.hxx b/sc/source/ui/inc/tpdefaults.hxx
index 335b1b0b05d8..9fd14379ee94 100644
--- a/sc/source/ui/inc/tpdefaults.hxx
+++ b/sc/source/ui/inc/tpdefaults.hxx
@@ -24,7 +24,7 @@ public:
 
     virtual bool FillItemSet(SfxItemSet* rCoreSet) override;
     virtual void Reset(const SfxItemSet* rCoreSet) override;
-    virtual sfxpg DeactivatePage(SfxItemSet* pSet = NULL) override;
+    virtual sfxpg DeactivatePage(SfxItemSet* pSet = nullptr) override;
 
 private:
     explicit ScTpDefaultsOptions(vcl::Window* pParent, const SfxItemSet& rCoreSet);
diff --git a/sc/source/ui/inc/tpformula.hxx b/sc/source/ui/inc/tpformula.hxx
index 3c7ed8cae00a..0b0ed6c51b0a 100644
--- a/sc/source/ui/inc/tpformula.hxx
+++ b/sc/source/ui/inc/tpformula.hxx
@@ -39,7 +39,7 @@ public:
 
     virtual bool FillItemSet(SfxItemSet* rCoreSet) override;
     virtual void Reset( const SfxItemSet* rCoreSet ) override;
-    virtual sfxpg DeactivatePage(SfxItemSet* pSet = NULL) override;
+    virtual sfxpg DeactivatePage(SfxItemSet* pSet = nullptr) override;
 
 private:
     explicit ScTpFormulaOptions(vcl::Window* pParent, const SfxItemSet& rCoreSet);
diff --git a/sc/source/ui/inc/tphf.hxx b/sc/source/ui/inc/tphf.hxx
index f3192bbf5fd0..49e1b8ac08bc 100644
--- a/sc/source/ui/inc/tphf.hxx
+++ b/sc/source/ui/inc/tphf.hxx
@@ -44,7 +44,7 @@ protected:
     virtual void    ActivatePage() override;
     virtual void    DeactivatePage() override;
     virtual void    ActivatePage( const SfxItemSet& rSet ) override;
-    virtual sfxpg   DeactivatePage( SfxItemSet* pSet = 0 ) override;
+    virtual sfxpg   DeactivatePage( SfxItemSet* pSet = nullptr ) override;
 
 private:
     VclPtr<PushButton>   m_pBtnEdit;
diff --git a/sc/source/ui/inc/tpprint.hxx b/sc/source/ui/inc/tpprint.hxx
index b006c4411052..27b1334f6bc7 100644
--- a/sc/source/ui/inc/tpprint.hxx
+++ b/sc/source/ui/inc/tpprint.hxx
@@ -38,7 +38,7 @@ public:
     virtual bool        FillItemSet( SfxItemSet* rCoreSet ) override;
     virtual void        Reset( const SfxItemSet* rCoreSet ) override;
     using SfxTabPage::DeactivatePage;
-    virtual sfxpg       DeactivatePage( SfxItemSet* pSet = NULL ) override;
+    virtual sfxpg       DeactivatePage( SfxItemSet* pSet = nullptr ) override;
 };
 
 #endif
diff --git a/sc/source/ui/inc/tpsort.hxx b/sc/source/ui/inc/tpsort.hxx
index 3f54ce4b1587..f777f74e5666 100644
--- a/sc/source/ui/inc/tpsort.hxx
+++ b/sc/source/ui/inc/tpsort.hxx
@@ -64,7 +64,7 @@ protected:
     virtual void        ActivatePage    ( const SfxItemSet& rSet ) override;
     using SfxTabPage::ActivatePage;
     using SfxTabPage::DeactivatePage;
-    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = 0) override;
+    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = nullptr) override;
 
 private:
     OUString            aStrUndefined;
@@ -122,7 +122,7 @@ protected:
     virtual void        ActivatePage    ( const SfxItemSet& rSet ) override;
     using SfxTabPage::ActivatePage;
     using SfxTabPage::DeactivatePage;
-    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = 0) override;
+    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = nullptr) override;
 
 private:
 
diff --git a/sc/source/ui/inc/tptable.hxx b/sc/source/ui/inc/tptable.hxx
index 37893831dfa5..e6d0ba17870b 100644
--- a/sc/source/ui/inc/tptable.hxx
+++ b/sc/source/ui/inc/tptable.hxx
@@ -36,7 +36,7 @@ public:
     virtual bool        FillItemSet     ( SfxItemSet* rCoreSet ) override;
     virtual void        Reset           ( const SfxItemSet* rCoreSet ) override;
     using SfxTabPage::DeactivatePage;
-    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = NULL ) override;
+    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = nullptr ) override;
     virtual void        DataChanged     ( const DataChangedEvent& rDCEvt ) override;
 
     virtual         ~ScTablePage();
diff --git a/sc/source/ui/inc/tpusrlst.hxx b/sc/source/ui/inc/tpusrlst.hxx
index 3e4a1b8d3c30..912de9102ce3 100644
--- a/sc/source/ui/inc/tpusrlst.hxx
+++ b/sc/source/ui/inc/tpusrlst.hxx
@@ -39,7 +39,7 @@ public:
     virtual bool        FillItemSet     ( SfxItemSet* rCoreAttrs ) override;
     virtual void        Reset           ( const SfxItemSet* rCoreAttrs ) override;
     using SfxTabPage::DeactivatePage;
-    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = NULL ) override;
+    virtual sfxpg       DeactivatePage  ( SfxItemSet* pSet = nullptr ) override;
 
 private:
             ScTpUserLists( vcl::Window*              pParent,
diff --git a/sc/source/ui/inc/tpview.hxx b/sc/source/ui/inc/tpview.hxx
index 149330b13275..2af7b8f22d54 100644
--- a/sc/source/ui/inc/tpview.hxx
+++ b/sc/source/ui/inc/tpview.hxx
@@ -78,7 +78,7 @@ public:
     using SfxTabPage::ActivatePage;
     using SfxTabPage::DeactivatePage;
     virtual void        ActivatePage( const SfxItemSet& ) override;
-    virtual sfxpg       DeactivatePage( SfxItemSet* pSet = 0 ) override;
+    virtual sfxpg       DeactivatePage( SfxItemSet* pSet = nullptr ) override;
 
 };
 
@@ -123,7 +123,7 @@ public:
     using SfxTabPage::ActivatePage;
     using SfxTabPage::DeactivatePage;
     virtual void        ActivatePage( const SfxItemSet& ) override;
-    virtual sfxpg       DeactivatePage( SfxItemSet* pSet = 0 ) override;
+    virtual sfxpg       DeactivatePage( SfxItemSet* pSet = nullptr ) override;
 
     void                SetDocument(ScDocument* pPtr){pDoc = pPtr;}
 
diff --git a/sc/source/ui/inc/transobj.hxx b/sc/source/ui/inc/transobj.hxx
index f69b21c810c2..a29fd4c25838 100644
--- a/sc/source/ui/inc/transobj.hxx
+++ b/sc/source/ui/inc/transobj.hxx
@@ -61,7 +61,7 @@ private:
     void        InitDocShell(bool bLimitToPageSize);
     static void StripRefs( ScDocument* pDoc, SCCOL nStartX, SCROW nStartY,
                             SCCOL nEndX, SCROW nEndY,
-                            ScDocument* pDestDoc=0,
+                            ScDocument* pDestDoc=nullptr,
                             SCCOL nSubX=0, SCROW nSubY=0 );
     static void PaintToDev( OutputDevice* pDev, ScDocument* pDoc, double nPrintFactor,
                             const ScRange& rBlock, bool bMetaFile );
diff --git a/sc/source/ui/inc/uiitems.hxx b/sc/source/ui/inc/uiitems.hxx
index 3e73bf22163f..440234c8fe76 100644
--- a/sc/source/ui/inc/uiitems.hxx
+++ b/sc/source/ui/inc/uiitems.hxx
@@ -64,7 +64,7 @@ public:
                             virtual ~ScInputStatusItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
 
     const ScAddress&        GetPos() const      { return aCursorPos; }
 
@@ -144,7 +144,7 @@ public:
                             virtual ~ScSortItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
     virtual bool            QueryValue( css::uno::Any& rVal, sal_uInt8 nMemberUd ) const override;
 
     ScViewData*         GetViewData () const { return pViewData; }
@@ -168,7 +168,7 @@ public:
                             virtual ~ScQueryItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
 
     ScViewData*         GetViewData () const { return pViewData; }
     const ScQueryParam& GetQueryData() const;
@@ -196,7 +196,7 @@ public:
                 virtual ~ScSubTotalItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
     virtual bool            QueryValue( css::uno::Any& rVal, sal_uInt8 nMemberUd ) const override;
 
     ScViewData*             GetViewData () const { return pViewData; }
@@ -216,7 +216,7 @@ public:
                 virtual ~ScUserListItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
 
     void        SetUserList ( const ScUserList& rUserList );
     ScUserList* GetUserList () const { return pUserList; }
@@ -235,7 +235,7 @@ public:
                 virtual ~ScConsolidateItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
 
     const ScConsolidateParam& GetData() const { return theConsData; }
 
@@ -253,7 +253,7 @@ public:
                 virtual ~ScPivotItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
 
     const ScDPSaveData& GetData() const         { return *pSaveData; }
     const ScRange&      GetDestRange() const    { return aDestRange; }
@@ -275,7 +275,7 @@ public:
                 virtual ~ScSolveItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
 
     const ScSolveParam& GetData() const { return theSolveData; }
 
@@ -293,7 +293,7 @@ public:
                 virtual ~ScTabOpItem();
 
     virtual bool            operator==( const SfxPoolItem& ) const override;
-    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = 0 ) const override;
+    virtual SfxPoolItem*    Clone( SfxItemPool *pPool = nullptr ) const override;
 
     const ScTabOpParam& GetData() const { return theTabOpData; }
 
diff --git a/sc/source/ui/inc/undobase.hxx b/sc/source/ui/inc/undobase.hxx
index d092d1f5f2ed..bd9440d13a0a 100644
--- a/sc/source/ui/inc/undobase.hxx
+++ b/sc/source/ui/inc/undobase.hxx
@@ -131,7 +131,7 @@ protected:
 
 public:
                     TYPEINFO_OVERRIDE();
-                    ScDBFuncUndo( ScDocShell* pDocSh, const ScRange& rOriginal, SdrUndoAction* pDrawUndo = 0 );
+                    ScDBFuncUndo( ScDocShell* pDocSh, const ScRange& rOriginal, SdrUndoAction* pDrawUndo = nullptr );
     virtual         ~ScDBFuncUndo();
 
     void            BeginUndo();
diff --git a/sc/source/ui/inc/undoblk.hxx b/sc/source/ui/inc/undoblk.hxx
index cefbb40e7a4e..1e29c5b8f274 100644
--- a/sc/source/ui/inc/undoblk.hxx
+++ b/sc/source/ui/inc/undoblk.hxx
@@ -188,7 +188,7 @@ public:
                 InsertDeleteFlags nNewFlags,
                 ScRefUndoData* pRefData,
                 bool bRedoIsFilled = true,
-                const ScUndoPasteOptions* pOptions = NULL);
+                const ScUndoPasteOptions* pOptions = nullptr);
     virtual ~ScUndoPaste();
 
     virtual void Undo() override;
@@ -330,8 +330,8 @@ public:
                                          SCCOL nEndX, SCROW nEndY, SCTAB nEndZ,
                                          ScDocument* pNewUndoDoc, bool bNewMulti,
                                          const ScPatternAttr* pNewApply,
-                                         const SvxBoxItem* pNewOuter = NULL,
-                                         const SvxBoxInfoItem* pNewInner = NULL );
+                                         const SvxBoxItem* pNewOuter = nullptr,
+                                         const SvxBoxInfoItem* pNewInner = nullptr );
     virtual         ~ScUndoSelectionAttr();
 
     virtual void    Undo() override;
diff --git a/sc/source/ui/inc/undocell.hxx b/sc/source/ui/inc/undocell.hxx
index 2b18611634d9..ab6ea1014ea2 100644
--- a/sc/source/ui/inc/undocell.hxx
+++ b/sc/source/ui/inc/undocell.hxx
@@ -97,7 +97,7 @@ public:
 
     ScUndoEnterData(
         ScDocShell* pNewDocShell, const ScAddress& rPos,
-        ValuesType& rOldValues, const OUString& rNewStr, EditTextObject* pObj = NULL );
+        ValuesType& rOldValues, const OUString& rNewStr, EditTextObject* pObj = nullptr );
 
     virtual ~ScUndoEnterData();
 
@@ -319,7 +319,7 @@ public:
                     TYPEINFO_OVERRIDE();
                     ScUndoDetective( ScDocShell* pNewDocShell,
                                     SdrUndoAction* pDraw, const ScDetOpData* pOperation,
-                                    ScDetOpList* pUndoList = NULL );
+                                    ScDetOpList* pUndoList = nullptr );
     virtual         ~ScUndoDetective();
 
     virtual void    Undo() override;
diff --git a/sc/source/ui/inc/undotab.hxx b/sc/source/ui/inc/undotab.hxx
index 2058a05f355c..c02a44d365c2 100644
--- a/sc/source/ui/inc/undotab.hxx
+++ b/sc/source/ui/inc/undotab.hxx
@@ -157,8 +157,8 @@ public:
                         ScDocShell* pNewDocShell,
                         ::std::vector<SCTAB>* pOldTabs,
                         ::std::vector<SCTAB>* pNewTabs,
-                        ::std::vector< OUString>* pOldNames = NULL,
-                        ::std::vector< OUString>* pNewNames = NULL );
+                        ::std::vector< OUString>* pOldNames = nullptr,
+                        ::std::vector< OUString>* pNewNames = nullptr );
 
     virtual         ~ScUndoMoveTab();
 
@@ -186,7 +186,7 @@ public:
                         ScDocShell* pNewDocShell,
                         ::std::vector<SCTAB>* pOldTabs,
                         ::std::vector<SCTAB>* pNewTabs,
-                        ::std::vector< OUString>* pNewNames = NULL );
+                        ::std::vector< OUString>* pNewNames = nullptr );
 
     virtual         ~ScUndoCopyTab();
 
diff --git a/sc/source/ui/inc/validate.hxx b/sc/source/ui/inc/validate.hxx
index 10e4cfe236bc..d39b99b12bac 100644
--- a/sc/source/ui/inc/validate.hxx
+++ b/sc/source/ui/inc/validate.hxx
@@ -72,7 +72,7 @@ public:
     void    SetRefInputStartPreHdl( PINPUTSTARTDLTYPE pNewHdl   ){  m_pRefInputStartPreHdl = pNewHdl;   }
     void    SetRefInputDonePostHdl( void            (ScRefHandlerCaller::*pNewHdl)()    ){  m_pRefInputDonePostHdl = pNewHdl;   }
 
-    ScRefHandlerHelper():m_pHandler(NULL), m_pSetReferenceHdl( NULL ), m_pSetActiveHdl(NULL),  m_pRefInputStartPreHdl( NULL ), m_pRefInputStartPostHdl( NULL ), m_pRefInputDonePreHdl( NULL ),  m_pRefInputDonePostHdl( NULL ){}
+    ScRefHandlerHelper():m_pHandler(nullptr), m_pSetReferenceHdl( nullptr ), m_pSetActiveHdl(nullptr),  m_pRefInputStartPreHdl( nullptr ), m_pRefInputStartPostHdl( nullptr ), m_pRefInputDonePreHdl( nullptr ),  m_pRefInputDonePostHdl( nullptr ){}
 };
 
 class ScValidationDlg;
@@ -136,7 +136,7 @@ public:
     public:
         ScRefButtonEx(vcl::Window* pParent, WinBits nStyle)
             : ::formula::RefButton(pParent, nStyle)
-            , m_pPage(NULL)
+            , m_pPage(nullptr)
         {
         }
         virtual ~ScRefButtonEx();
@@ -181,7 +181,7 @@ class ScValidationDlg
     bool    LeaveRefStatus();
 
 public:
-    explicit ScValidationDlg( vcl::Window* pParent, const SfxItemSet* pArgSet, ScTabViewShell * pTabViewSh, SfxBindings *pB = NULL );
+    explicit ScValidationDlg( vcl::Window* pParent, const SfxItemSet* pArgSet, ScTabViewShell * pTabViewSh, SfxBindings *pB = nullptr );
     virtual                     ~ScValidationDlg() { disposeOnce(); }
     virtual void                dispose() override
     {
@@ -219,7 +219,7 @@ public:
     bool IsRefInputting(){  return m_bRefInputting; }
     vcl::Window*             get_refinput_shrink_parent() { return m_pHBox; }
 
-    virtual void        RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = NULL ) override
+    virtual void        RefInputStart( formula::RefEdit* pEdit, formula::RefButton* pButton = nullptr ) override
     {
         if( !CanInputStart( pEdit ) )
             return;
diff --git a/sc/source/ui/inc/viewfunc.hxx b/sc/source/ui/inc/viewfunc.hxx
index 84bf390b170c..590d0d8300cb 100644
--- a/sc/source/ui/inc/viewfunc.hxx
+++ b/sc/source/ui/inc/viewfunc.hxx
@@ -83,7 +83,7 @@ public:
     OUString        GetAutoSumFormula( const ScRangeList& rRangeList, bool bSubTotal, const ScAddress& rAddr );
 
     void            EnterData( SCCOL nCol, SCROW nRow, SCTAB nTab, const OUString& rString,
-                               const EditTextObject* pData = NULL );
+                               const EditTextObject* pData = nullptr );
     void            EnterData( SCCOL nCol, SCROW nRow, SCTAB nTab,
                                const EditTextObject& rData, bool bTestSimple = false );
     void            EnterValue( SCCOL nCol, SCROW nRow, SCTAB nTab, const double& rValue );
@@ -98,8 +98,8 @@ public:
 
     void            EnterDataAtCursor( const OUString& rString );         //! Not used?
 
-    SC_DLLPUBLIC void           CutToClip( ScDocument* pClipDoc = NULL, bool bIncludeObjects = false );
-    SC_DLLPUBLIC bool           CopyToClip( ScDocument* pClipDoc = NULL, bool bCut = false, bool bApi = false,
+    SC_DLLPUBLIC void           CutToClip( ScDocument* pClipDoc = nullptr, bool bIncludeObjects = false );
+    SC_DLLPUBLIC bool           CopyToClip( ScDocument* pClipDoc = nullptr, bool bCut = false, bool bApi = false,
                                             bool bIncludeObjects = false, bool bStopEdit = true );
     SC_DLLPUBLIC bool           CopyToClip( ScDocument* pClipDoc, const ScRangeList& rRange, bool bCut = false,
                                             bool bApi = false, bool bIncludeObjects = false, bool bStopEdit = true, bool bUseRangeForVBA = true );
@@ -128,11 +128,11 @@ public:
 
     bool            PasteDataFormat( SotClipboardFormatId nFormatId,
                                         const css::uno::Reference< css::datatransfer::XTransferable >& rxTransferable,
-                                        SCCOL nPosX, SCROW nPosY, Point* pLogicPos = NULL,
+                                        SCCOL nPosX, SCROW nPosY, Point* pLogicPos = nullptr,
                                         bool bLink = false, bool bAllowDialogs = false );
 
     bool            PasteFile( const Point&, const OUString&, bool bLink=false );
-    bool            PasteObject( const Point&, const css::uno::Reference < css::embed::XEmbeddedObject >&, const Size* = NULL, const Graphic* = NULL, const OUString& = OUString(), sal_Int64 nAspect = css::embed::Aspects::MSOLE_CONTENT );
+    bool            PasteObject( const Point&, const css::uno::Reference < css::embed::XEmbeddedObject >&, const Size* = nullptr, const Graphic* = nullptr, const OUString& = OUString(), sal_Int64 nAspect = css::embed::Aspects::MSOLE_CONTENT );
     bool            PasteBitmapEx( const Point&, const BitmapEx& );
     bool            PasteMetaFile( const Point&, const GDIMetaFile& );
     bool            PasteGraphic( const Point& rPos, const Graphic& rGraphic,
@@ -143,7 +143,7 @@ public:
     bool            PasteLink( const css::uno::Reference< css::datatransfer::XTransferable >& rxTransferable );
 
     void            InsertBookmark( const OUString& rDescription, const OUString& rURL,
-                                    SCCOL nPosX, SCROW nPosY, const OUString* pTarget = NULL,
+                                    SCCOL nPosX, SCROW nPosY, const OUString* pTarget = nullptr,
                                     bool bTryReplace = false );
     bool            HasBookmarkAtCursor( SvxHyperlinkItem* pContent );
 
@@ -198,23 +198,23 @@ public:
 
     void SetWidthOrHeight(
         bool bWidth, const std::vector<sc::ColRowSpan>& rRanges, ScSizeMode eMode,
-        sal_uInt16 nSizeTwips, bool bRecord = true, bool bPaint = true, ScMarkData* pMarkData = NULL );
+        sal_uInt16 nSizeTwips, bool bRecord = true, bool bPaint = true, ScMarkData* pMarkData = nullptr );
 
     void            SetMarkedWidthOrHeight( bool bWidth, ScSizeMode eMode, sal_uInt16 nSizeTwips,
                                         bool bRecord = true, bool bPaint = true );
 
-    bool            AdjustBlockHeight( bool bPaint = true, ScMarkData* pMarkData = NULL );
+    bool            AdjustBlockHeight( bool bPaint = true, ScMarkData* pMarkData = nullptr );
     bool            AdjustRowHeight( SCROW nStartRow, SCROW nEndRow, bool bPaint = true );
 
     void            ModifyCellSize( ScDirection eDir, bool bOptimal );
 
     SC_DLLPUBLIC void
                     InsertPageBreak( bool bColumn, bool bRecord = true,
-                                        const ScAddress* pPos = NULL,
+                                        const ScAddress* pPos = nullptr,
                                         bool bSetModified = true );
     SC_DLLPUBLIC void
                     DeletePageBreak( bool bColumn, bool bRecord = true,
-                                        const ScAddress* pPos = NULL,
+                                        const ScAddress* pPos = nullptr,
                                         bool bSetModified = true );
 
     void            RemoveManualBreaks();
@@ -257,7 +257,7 @@ public:
     bool                DeleteTables(SCTAB nTab, SCTAB nSheets);
 
     bool            RenameTable( const OUString& rName, SCTAB nTabNr );
-    void            MoveTable( sal_uInt16 nDestDocNo, SCTAB nDestTab, bool bCopy, const OUString* pNewTabName = NULL );
+    void            MoveTable( sal_uInt16 nDestDocNo, SCTAB nDestTab, bool bCopy, const OUString* pNewTabName = nullptr );
     void            ImportTables( ScDocShell* pSrcShell,
                                     SCTAB nCount, const SCTAB* pSrcTabs,
                                     bool bLink,SCTAB nTab);
@@ -317,7 +317,7 @@ public:
     void            EditNote();
 
     void            ForgetFormatArea()      { bFormatValid = false; }
-    bool            SelectionEditable( bool* pOnlyNotBecauseOfMatrix = NULL );
+    bool            SelectionEditable( bool* pOnlyNotBecauseOfMatrix = nullptr );
 
     SC_DLLPUBLIC void
                     DataFormPutData( SCROW nCurrentRow ,
@@ -325,7 +325,7 @@ public:
                                      SCROW nEndRow , SCCOL nEndCol ,
                                      std::vector<VclPtr<Edit> >& aEdits,
                                      sal_uInt16 aColLength );
-    void            UpdateSelectionArea( const ScMarkData& rSel, ScPatternAttr* pAttr = NULL );
+    void            UpdateSelectionArea( const ScMarkData& rSel, ScPatternAttr* pAttr = nullptr );
                                                 // Internal helper functions
 protected:
     static void     UpdateLineAttrs( ::editeng::SvxBorderLine&        rLine,
diff --git a/sc/source/ui/miscdlgs/acredlin.cxx b/sc/source/ui/miscdlgs/acredlin.cxx
index 08aa8a7216e5..1eff56088626 100644
--- a/sc/source/ui/miscdlgs/acredlin.cxx
+++ b/sc/source/ui/miscdlgs/acredlin.cxx
@@ -58,7 +58,7 @@ ScRedlinData::ScRedlinData()
 {
     nInfo=RD_SPECIAL_NONE;
     nActionNo=0;
-    pData=NULL;
+    pData=nullptr;
     bDisabled=false;
     bIsRejectable=false;
     bIsAcceptable=false;
@@ -71,7 +71,7 @@ ScRedlinData::~ScRedlinData()
 {
     nInfo=RD_SPECIAL_NONE;
     nActionNo=0;
-    pData=NULL;
+    pData=nullptr;
     bDisabled=false;
     bIsRejectable=false;
     bIsAcceptable=false;
@@ -145,7 +145,7 @@ ScAcceptChgDlg::ScAcceptChgDlg(SfxBindings* pB, SfxChildWindow* pCW, vcl::Window
 
     UpdateView();
     SvTreeListEntry* pEntry=pTheView->First();
-    if(pEntry!=NULL)
+    if(pEntry!=nullptr)
     {
         pTheView->Select(pEntry);
     }
@@ -161,7 +161,7 @@ void ScAcceptChgDlg::dispose()
     ClearView();
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
 
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
     {
         Link<ScChangeTrack&,void> aLink;
         pChanges->SetModifiedLink(aLink);
@@ -177,10 +177,10 @@ void ScAcceptChgDlg::dispose()
 void ScAcceptChgDlg::ReInit(ScViewData* ptrViewData)
 {
     pViewData=ptrViewData;
-    if(pViewData!=NULL)
+    if(pViewData!=nullptr)
         pDoc=ptrViewData->GetDocument();
     else
-        pDoc=NULL;
+        pDoc=nullptr;
 
     bNoSelection=false;
     bNeedsUpdate=false;
@@ -211,7 +211,7 @@ void ScAcceptChgDlg::Init()
 
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
 
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
     {
         pChanges->SetModifiedLink( LINK( this, ScAcceptChgDlg,ChgTrackModHdl));
         aChangeViewSet.SetTheAuthorToShow(pChanges->GetUser());
@@ -223,7 +223,7 @@ void ScAcceptChgDlg::Init()
     }
 
     ScChangeViewSettings* pViewSettings=pDoc->GetChangeViewSettings();
-    if ( pViewSettings!=NULL )
+    if ( pViewSettings!=nullptr )
         aChangeViewSet = *pViewSettings;
     // adjust TimeField for filter tabpage
     aChangeViewSet.AdjustDateMode( *pDoc );
@@ -298,7 +298,7 @@ OUString* ScAcceptChgDlg::MakeTypeString(ScChangeActionType eType)
 
 bool ScAcceptChgDlg::IsValidAction(const ScChangeAction* pScChangeAction)
 {
-    if(pScChangeAction==NULL) return false;
+    if(pScChangeAction==nullptr) return false;
 
     bool bFlag = false;
 
@@ -352,9 +352,9 @@ SvTreeListEntry* ScAcceptChgDlg::InsertChangeAction(
 {
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
 
-    if(pScChangeAction==NULL || pChanges==NULL) return NULL;
+    if(pScChangeAction==nullptr || pChanges==nullptr) return nullptr;
 
-    SvTreeListEntry* pEntry=NULL;
+    SvTreeListEntry* pEntry=nullptr;
 
     bool bFlag = false;
 
@@ -470,22 +470,22 @@ SvTreeListEntry* ScAcceptChgDlg::InsertChangeAction(
         }
     }
 
-    if(!bFlag&& bUseColor&& pParent==NULL)
+    if(!bFlag&& bUseColor&& pParent==nullptr)
     {
         pEntry = pTheView->InsertEntry(
             aBuf.makeStringAndClear() ,pNewData, Color(COL_LIGHTBLUE), pParent, nPos);
     }
-    else if(bFlag&& bUseColor&& pParent!=NULL)
+    else if(bFlag&& bUseColor&& pParent!=nullptr)
     {
         pEntry = pTheView->InsertEntry(
             aBuf.makeStringAndClear(), pNewData, Color(COL_GREEN), pParent, nPos);
         SvTreeListEntry* pExpEntry=pParent;
 
-        while(pExpEntry!=NULL && !pTheView->IsExpanded(pExpEntry))
+        while(pExpEntry!=nullptr && !pTheView->IsExpanded(pExpEntry))
         {
             SvTreeListEntry* pTmpEntry=pTheView->GetParent(pExpEntry);
 
-            if(pTmpEntry!=NULL) pTheView->Expand(pExpEntry);
+            if(pTmpEntry!=nullptr) pTheView->Expand(pExpEntry);
 
             pExpEntry=pTmpEntry;
         }
@@ -505,11 +505,11 @@ SvTreeListEntry* ScAcceptChgDlg::InsertFilteredAction(
 
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
 
-    if(pScChangeAction==NULL || pChanges==NULL) return NULL;
+    if(pScChangeAction==nullptr || pChanges==nullptr) return nullptr;
 
     bool bIsGenerated = pChanges->IsGenerated(pScChangeAction->GetActionNumber());
 
-    SvTreeListEntry* pEntry=NULL;
+    SvTreeListEntry* pEntry=nullptr;
 
     bool bFlag = false;
 
@@ -628,9 +628,9 @@ SvTreeListEntry* ScAcceptChgDlg::InsertChangeActionContent(const ScChangeActionC
                                                           SvTreeListEntry* pParent, sal_uLong nSpecial)
 {
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
-    SvTreeListEntry* pEntry=NULL;
+    SvTreeListEntry* pEntry=nullptr;
 
-    if(pScChangeAction==NULL || pChanges==NULL) return NULL;
+    if(pScChangeAction==nullptr || pChanges==nullptr) return nullptr;
 
     bool bIsGenerated = pChanges->IsGenerated(pScChangeAction->GetActionNumber());
 
@@ -768,9 +768,9 @@ bool ScAcceptChgDlg::PreNotify( NotifyEvent& rNEvt )
 void ScAcceptChgDlg::UpdateView()
 {
     bNeedsUpdate=false;
-    SvTreeListEntry* pParent=NULL;
-    ScChangeTrack* pChanges=NULL;
-    const ScChangeAction* pScChangeAction=NULL;
+    SvTreeListEntry* pParent=nullptr;
+    ScChangeTrack* pChanges=nullptr;
+    const ScChangeAction* pScChangeAction=nullptr;
     bAcceptEnableFlag=true;
     bRejectEnableFlag=true;
     SetPointer(Pointer(PointerStyle::Wait));
@@ -780,15 +780,15 @@ void ScAcceptChgDlg::UpdateView()
 
     bUseColor = bFilterFlag;
 
-    if(pDoc!=NULL)
+    if(pDoc!=nullptr)
     {
         pChanges=pDoc->GetChangeTrack();
-        if(pChanges!=NULL)
+        if(pChanges!=nullptr)
             pScChangeAction=pChanges->GetFirst();
     }
     bool bTheFlag = false;
 
-    while(pScChangeAction!=NULL)
+    while(pScChangeAction!=nullptr)
     {
         bHasFilterEntry=false;
         switch(pScChangeAction->GetState())
@@ -803,23 +803,23 @@ void ScAcceptChgDlg::UpdateView()
                         pParent=InsertFilteredAction(pScChangeAction,SC_CAS_VIRGIN);
                 }
                 else
-                    pParent=NULL;
+                    pParent=nullptr;
 
                 bTheFlag=true;
                 break;
 
             case SC_CAS_ACCEPTED:
-                pParent=NULL;
+                pParent=nullptr;
                 nAcceptCount++;
                 break;
 
             case SC_CAS_REJECTED:
-                pParent=NULL;
+                pParent=nullptr;
                 nRejectCount++;
                 break;
         }
 
-        if(pParent!=NULL && pScChangeAction->IsDialogParent())
+        if(pParent!=nullptr && pScChangeAction->IsDialogParent())
         {
             if(!bFilterFlag)
                 pParent->EnableChildrenOnDemand();
@@ -846,21 +846,21 @@ void ScAcceptChgDlg::UpdateView()
     if(nAcceptCount>0)
     {
         pParent=pTheView->InsertEntry(
-            aStrAllAccepted, static_cast< RedlinData * >(NULL),
-            static_cast< SvTreeListEntry * >(NULL));
+            aStrAllAccepted, static_cast< RedlinData * >(nullptr),
+            static_cast< SvTreeListEntry * >(nullptr));
         pParent->EnableChildrenOnDemand();
     }
     if(nRejectCount>0)
     {
         pParent=pTheView->InsertEntry(
-            aStrAllRejected, static_cast< RedlinData * >(NULL),
-            static_cast< SvTreeListEntry * >(NULL));
+            aStrAllRejected, static_cast< RedlinData * >(nullptr),
+            static_cast< SvTreeListEntry * >(nullptr));
         pParent->EnableChildrenOnDemand();
     }
     pTheView->SetUpdateMode(true);
     SetPointer(Pointer(PointerStyle::Arrow));
     SvTreeListEntry* pEntry=pTheView->First();
-    if(pEntry!=NULL)
+    if(pEntry!=nullptr)
         pTheView->Select(pEntry);
 }
 
@@ -875,7 +875,7 @@ IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, RefHandle, SvxTPFilter*, void)
     SfxViewFrame* pViewFrm = pViewData->GetViewShell()->GetViewFrame();
     ScSimpleRefDlgWrapper* pWnd = static_cast<ScSimpleRefDlgWrapper*>(pViewFrm->GetChildWindow( nId ));
 
-    if(pWnd!=NULL)
+    if(pWnd!=nullptr)
     {
         sal_uInt16 nAcceptId=ScAcceptChgDlgWrapper::GetChildWindowId();
         pViewFrm->ShowChildWindow(nAcceptId,false);
@@ -897,7 +897,7 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, RefInfoHandle, const OUString*, pResult, void)
     ScSimpleRefDlgWrapper::SetAutoReOpen(true);
 
     SfxViewFrame* pViewFrm = pViewData->GetViewShell()->GetViewFrame();
-    if(pResult!=NULL)
+    if(pResult!=nullptr)
     {
         pTPFilter->SetRange(*pResult);
         FilterHandle(pTPFilter);
@@ -905,7 +905,7 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, RefInfoHandle, const OUString*, pResult, void)
         nId = ScSimpleRefDlgWrapper::GetChildWindowId();
         ScSimpleRefDlgWrapper* pWnd = static_cast<ScSimpleRefDlgWrapper*>(pViewFrm->GetChildWindow( nId ));
 
-        if(pWnd!=NULL)
+        if(pWnd!=nullptr)
         {
             vcl::Window* pWin=pWnd->GetWindow();
             Size aWinSize=pWin->GetSizePixel();
@@ -925,7 +925,7 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, RefInfoHandle, const OUString*, pResult, void)
 
 IMPL_LINK_TYPED( ScAcceptChgDlg, FilterHandle, SvxTPFilter*, pRef, void )
 {
-    if(pRef!=NULL)
+    if(pRef!=nullptr)
     {
         ClearView();
         aRangeList.RemoveAll();
@@ -941,13 +941,13 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, RejectHandle, SvxTPView*, pRef, void )
     bIgnoreMsg=true;
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
 
-    if(pRef!=NULL)
+    if(pRef!=nullptr)
     {
         SvTreeListEntry* pEntry=pTheView->FirstSelected();
-        while(pEntry!=NULL)
+        while(pEntry!=nullptr)
         {
             ScRedlinData *pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
-            if(pEntryData!=NULL)
+            if(pEntryData!=nullptr)
             {
                 ScChangeAction* pScChangeAction=
                         static_cast<ScChangeAction*>(pEntryData->pData);
@@ -977,13 +977,13 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, AcceptHandle, SvxTPView*, pRef, void )
 
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
     bIgnoreMsg=true;
-    if(pRef!=NULL)
+    if(pRef!=nullptr)
     {
         SvTreeListEntry* pEntry=pTheView->FirstSelected();
-        while(pEntry!=NULL)
+        while(pEntry!=nullptr)
         {
             ScRedlinData *pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
-            if(pEntryData!=NULL)
+            if(pEntryData!=nullptr)
             {
                 ScChangeAction* pScChangeAction=
                         static_cast<ScChangeAction*>(pEntryData->pData);
@@ -1011,16 +1011,16 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, AcceptHandle, SvxTPView*, pRef, void )
 
 void ScAcceptChgDlg::RejectFiltered()
 {
-    if(pDoc==NULL) return;
+    if(pDoc==nullptr) return;
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
-    const ScChangeAction* pScChangeAction=NULL;
+    const ScChangeAction* pScChangeAction=nullptr;
 
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
     {
         pScChangeAction=pChanges->GetLast();
     }
 
-    while(pScChangeAction!=NULL)
+    while(pScChangeAction!=nullptr)
     {
         if(pScChangeAction->IsDialogRoot())
             if(IsValidAction(pScChangeAction))
@@ -1031,14 +1031,14 @@ void ScAcceptChgDlg::RejectFiltered()
 }
 void ScAcceptChgDlg::AcceptFiltered()
 {
-    if(pDoc==NULL) return;
+    if(pDoc==nullptr) return;
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
-    const ScChangeAction* pScChangeAction=NULL;
+    const ScChangeAction* pScChangeAction=nullptr;
 
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
         pScChangeAction=pChanges->GetLast();
 
-    while(pScChangeAction!=NULL)
+    while(pScChangeAction!=nullptr)
     {
         if(pScChangeAction->IsDialogRoot())
             if(IsValidAction(pScChangeAction))
@@ -1053,7 +1053,7 @@ IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, RejectAllHandle, SvxTPView*, void)
     SetPointer(Pointer(PointerStyle::Wait));
     bIgnoreMsg=true;
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
     {
         if(pTPFilter->IsDate()||pTPFilter->IsAuthor()||pTPFilter->IsRange()||pTPFilter->IsComment())
             RejectFiltered();
@@ -1081,7 +1081,7 @@ IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, AcceptAllHandle, SvxTPView*, void)
 
     bIgnoreMsg=true;
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
     {
         if(pTPFilter->IsDate()||pTPFilter->IsAuthor()||pTPFilter->IsRange()||pTPFilter->IsComment())
             AcceptFiltered();
@@ -1114,7 +1114,7 @@ void ScAcceptChgDlg::GetDependents(  const ScChangeAction* pScChangeAction,
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
 
     SvTreeListEntry* pParent=pTheView->GetParent(pEntry);
-    if(pParent!=NULL)
+    if(pParent!=nullptr)
     {
         ScRedlinData *pParentData=static_cast<ScRedlinData *>(pParent->GetUserData());
         ScChangeAction* pParentAction=static_cast<ScChangeAction*>(pParentData->pData);
@@ -1149,7 +1149,7 @@ bool ScAcceptChgDlg::InsertContentChildren(ScChangeActionMap* pActionMap,SvTreeL
             const_cast<ScChangeAction*>( pScChangeAction ) ) );
         bParentInserted = true;
     }
-    SvTreeListEntry* pEntry=NULL;
+    SvTreeListEntry* pEntry=nullptr;
 
     ScChangeActionMap::iterator itChangeAction = pActionMap->begin();
     while( itChangeAction != pActionMap->end() )
@@ -1166,7 +1166,7 @@ bool ScAcceptChgDlg::InsertContentChildren(ScChangeActionMap* pActionMap,SvTreeL
         dynamic_cast<const ScChangeActionContent*>( itChangeAction->second ),
         pParent, RD_SPECIAL_CONTENT );
 
-    if(pOriginal!=NULL)
+    if(pOriginal!=nullptr)
     {
         bTheTestFlag=false;
         ScRedlinData *pParentData=static_cast<ScRedlinData *>(pOriginal->GetUserData());
@@ -1183,7 +1183,7 @@ bool ScAcceptChgDlg::InsertContentChildren(ScChangeActionMap* pActionMap,SvTreeL
             pEntry = InsertChangeActionContent( dynamic_cast<const ScChangeActionContent*>( itChangeAction->second ),
                 pParent, RD_SPECIAL_NONE );
 
-            if(pEntry!=NULL)
+            if(pEntry!=nullptr)
                 bTheTestFlag=false;
         }
         ++itChangeAction;
@@ -1194,7 +1194,7 @@ bool ScAcceptChgDlg::InsertContentChildren(ScChangeActionMap* pActionMap,SvTreeL
         pEntry=InsertChangeActionContent(static_cast<const ScChangeActionContent*>(
                                 pScChangeAction),pParent,RD_SPECIAL_NONE);
 
-        if(pEntry!=NULL)
+        if(pEntry!=nullptr)
         {
             bTheTestFlag=false;
             ScRedlinData *pParentData=static_cast<ScRedlinData *>(pEntry->GetUserData());
@@ -1228,10 +1228,10 @@ bool ScAcceptChgDlg::InsertAcceptedORejected(SvTreeListEntry* pParent)
     }
 
     ScChangeAction* pScChangeAction=pChanges->GetFirst();
-    while(pScChangeAction!=NULL)
+    while(pScChangeAction!=nullptr)
     {
         if(pScChangeAction->GetState()==eState &&
-            InsertFilteredAction(pScChangeAction,eState,pParent)!=NULL)
+            InsertFilteredAction(pScChangeAction,eState,pParent)!=nullptr)
             bTheTestFlag=false;
         pScChangeAction=pScChangeAction->GetNext();
     }
@@ -1248,7 +1248,7 @@ bool ScAcceptChgDlg::InsertChildren(ScChangeActionMap* pActionMap,SvTreeListEntr
     {
         SvTreeListEntry* pEntry=InsertChangeAction( itChangeAction->second, SC_CAS_VIRGIN, pParent, false, true );
 
-        if(pEntry!=NULL)
+        if(pEntry!=nullptr)
         {
             bTheTestFlag=false;
 
@@ -1269,7 +1269,7 @@ bool ScAcceptChgDlg::InsertDeletedChildren(const ScChangeAction* pScChangeAction
 {
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
     bool bTheTestFlag = true;
-    SvTreeListEntry* pEntry=NULL;
+    SvTreeListEntry* pEntry=nullptr;
     ScChangeActionMap::iterator itChangeAction;
 
     for( itChangeAction = pActionMap->begin(); itChangeAction != pActionMap->end(); ++itChangeAction )
@@ -1280,7 +1280,7 @@ bool ScAcceptChgDlg::InsertDeletedChildren(const ScChangeAction* pScChangeAction
         else
             pEntry = InsertChangeAction( itChangeAction->second, SC_CAS_VIRGIN, pParent, true, true );
 
-        if(pEntry!=NULL)
+        if(pEntry!=nullptr)
         {
             ScRedlinData *pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
             pEntryData->bIsRejectable=false;
@@ -1302,7 +1302,7 @@ bool ScAcceptChgDlg::Expand(
 {
     bool bTheTestFlag = true;
 
-    if(pChanges!=NULL &&pEntry!=NULL &&pScChangeAction!=NULL)
+    if(pChanges!=nullptr &&pEntry!=nullptr &&pScChangeAction!=nullptr)
     {
         ScChangeActionMap aActionMap;
 
@@ -1340,16 +1340,16 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, ExpandingHandle, SvTreeListBox*, pTable, bool )
 {
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
     SetPointer(Pointer(PointerStyle::Wait));
-    if(pTable!=NULL && pChanges!=NULL)
+    if(pTable!=nullptr && pChanges!=nullptr)
     {
         ScChangeActionMap aActionMap;
         SvTreeListEntry* pEntry=pTheView->GetHdlEntry();
-        if(pEntry!=NULL)
+        if(pEntry!=nullptr)
         {
-            ScChangeAction* pScChangeAction=NULL;
+            ScChangeAction* pScChangeAction=nullptr;
 
             ScRedlinData *pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
-            if(pEntryData!=NULL)
+            if(pEntryData!=nullptr)
                 pScChangeAction=static_cast<ScChangeAction*>(pEntryData->pData);
 
             if(pEntry->HasChildrenOnDemand())
@@ -1360,7 +1360,7 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, ExpandingHandle, SvTreeListBox*, pTable, bool )
                 if (pChildEntry)
                     pTheView->RemoveEntry(pChildEntry);
 
-                if(pEntryData!=NULL)
+                if(pEntryData!=nullptr)
                 {
                     pScChangeAction=static_cast<ScChangeAction*>(pEntryData->pData);
 
@@ -1393,7 +1393,7 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, ExpandingHandle, SvTreeListBox*, pTable, bool )
                 {
                     bTheTestFlag=InsertAcceptedORejected(pEntry);
                 }
-                if(bTheTestFlag) pTheView->InsertEntry(aStrNoEntry,NULL,Color(COL_GRAY),pEntry);
+                if(bTheTestFlag) pTheView->InsertEntry(aStrNoEntry,nullptr,Color(COL_GRAY),pEntry);
             }
 
         }
@@ -1405,9 +1405,9 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, ExpandingHandle, SvTreeListBox*, pTable, bool )
 void ScAcceptChgDlg::AppendChanges(ScChangeTrack* pChanges,sal_uLong nStartAction,
                                    sal_uLong nEndAction, sal_uLong /* nPos */)
 {
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
     {
-        SvTreeListEntry* pParent=NULL;
+        SvTreeListEntry* pParent=nullptr;
         bAcceptEnableFlag=true;
         bRejectEnableFlag=true;
         SetPointer(Pointer(PointerStyle::Wait));
@@ -1423,7 +1423,7 @@ void ScAcceptChgDlg::AppendChanges(ScChangeTrack* pChanges,sal_uLong nStartActio
         for(sal_uLong i=nStartAction;i<=nEndAction;i++)
         {
             const ScChangeAction* pScChangeAction=pChanges->GetAction(i);
-            if(pScChangeAction==NULL) continue;
+            if(pScChangeAction==nullptr) continue;
 
             switch(pScChangeAction->GetState())
             {
@@ -1437,23 +1437,23 @@ void ScAcceptChgDlg::AppendChanges(ScChangeTrack* pChanges,sal_uLong nStartActio
                             pParent=InsertFilteredAction(pScChangeAction,SC_CAS_VIRGIN);
                     }
                     else
-                        pParent=NULL;
+                        pParent=nullptr;
 
                     bTheFlag=true;
                     break;
 
                 case SC_CAS_ACCEPTED:
-                    pParent=NULL;
+                    pParent=nullptr;
                     nAcceptCount++;
                     break;
 
                 case SC_CAS_REJECTED:
-                    pParent=NULL;
+                    pParent=nullptr;
                     nRejectCount++;
                     break;
             }
 
-            if(pParent!=NULL && pScChangeAction->IsDialogParent())
+            if(pParent!=nullptr && pScChangeAction->IsDialogParent())
             {
                 if(!bFilterFlag)
                     pParent->EnableChildrenOnDemand();
@@ -1487,13 +1487,13 @@ void ScAcceptChgDlg::RemoveEntrys(sal_uLong nStartAction,sal_uLong nEndAction)
 
     SvTreeListEntry* pEntry=pTheView->GetCurEntry();
 
-    ScRedlinData *pEntryData=NULL;
+    ScRedlinData *pEntryData=nullptr;
 
-    if(pEntry!=NULL)
+    if(pEntry!=nullptr)
         pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
 
     sal_uLong nAction=0;
-    if(pEntryData!=NULL)
+    if(pEntryData!=nullptr)
         nAction=pEntryData->nActionNo;
 
     if(nAction>=nStartAction && nAction<=nEndAction)
@@ -1502,11 +1502,11 @@ void ScAcceptChgDlg::RemoveEntrys(sal_uLong nStartAction,sal_uLong nEndAction)
 
     // MUST do it backwards, don't delete parents before children and GPF
     pEntry=pTheView->Last();
-    while(pEntry!=NULL)
+    while(pEntry!=nullptr)
     {
         bool bRemove = false;
         pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
-        if(pEntryData!=NULL)
+        if(pEntryData!=nullptr)
         {
             nAction=pEntryData->nActionNo;
 
@@ -1532,13 +1532,13 @@ void ScAcceptChgDlg::UpdateEntrys(ScChangeTrack* pChgTrack, sal_uLong nStartActi
 
 
     SvTreeListEntry* pEntry=pTheView->First();
-    SvTreeListEntry* pNextEntry = (pEntry ? SvTreeListBox::NextSibling(pEntry) : NULL);
-    SvTreeListEntry* pLastEntry=NULL;
-    while(pEntry!=NULL)
+    SvTreeListEntry* pNextEntry = (pEntry ? SvTreeListBox::NextSibling(pEntry) : nullptr);
+    SvTreeListEntry* pLastEntry=nullptr;
+    while(pEntry!=nullptr)
     {
         bool bRemove = false;
         ScRedlinData *pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
-        if(pEntryData!=NULL)
+        if(pEntryData!=nullptr)
         {
             ScChangeAction* pScChangeAction=
                     static_cast<ScChangeAction*>(pEntryData->pData);
@@ -1553,19 +1553,19 @@ void ScAcceptChgDlg::UpdateEntrys(ScChangeTrack* pChgTrack, sal_uLong nStartActi
             nPos=pEntry->GetChildListPos();
             pTheView->RemoveEntry(pEntry);
 
-            if(pLastEntry==NULL) pLastEntry=pTheView->First();
-            if(pLastEntry!=NULL)
+            if(pLastEntry==nullptr) pLastEntry=pTheView->First();
+            if(pLastEntry!=nullptr)
             {
                 pNextEntry=pTheView->Next(pLastEntry);
 
-                if(pNextEntry==NULL)
+                if(pNextEntry==nullptr)
                 {
                     pNextEntry=pLastEntry;
-                    pLastEntry=NULL;
+                    pLastEntry=nullptr;
                 }
             }
             else
-                pNextEntry=NULL;
+                pNextEntry=nullptr;
 
         }
         else
@@ -1627,7 +1627,7 @@ IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, ReOpenTimerHdl, Idle *, void)
 {
     ScSimpleRefDlgWrapper::SetAutoReOpen(true);
     m_pAcceptChgCtr->ShowFilterPage();
-    RefHandle(NULL);
+    RefHandle(nullptr);
 }
 
 IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, UpdateSelectionHdl, Idle *, void)
@@ -1690,7 +1690,7 @@ IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, CommandHdl, SvSimpleTable*, void)
         aPopup.SetMenuFlags(MenuFlags::HideDisabledEntries);
 
         SvTreeListEntry* pEntry=pTheView->GetCurEntry();
-        if(pEntry!=NULL)
+        if(pEntry!=nullptr)
         {
             pTheView->Select(pEntry);
         }
@@ -1715,14 +1715,14 @@ IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, CommandHdl, SvSimpleTable*, void)
 
         aPopup.EnableItem(SC_CHANGES_COMMENT,false);
 
-        if(pDoc->IsDocEditable() && pEntry!=NULL)
+        if(pDoc->IsDocEditable() && pEntry!=nullptr)
         {
             ScRedlinData *pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
-            if(pEntryData!=NULL)
+            if(pEntryData!=nullptr)
             {
                 ScChangeAction* pScChangeAction=
                         static_cast<ScChangeAction*>(pEntryData->pData);
-                if(pScChangeAction!=NULL && !pTheView->GetParent(pEntry))
+                if(pScChangeAction!=nullptr && !pTheView->GetParent(pEntry))
                     aPopup.EnableItem(SC_CHANGES_COMMENT);
             }
         }
@@ -1733,10 +1733,10 @@ IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, CommandHdl, SvSimpleTable*, void)
         {
             if(nCommand==SC_CHANGES_COMMENT)
             {
-                if(pEntry!=NULL)
+                if(pEntry!=nullptr)
                 {
                     ScRedlinData *pEntryData=static_cast<ScRedlinData *>(pEntry->GetUserData());
-                    if(pEntryData!=NULL)
+                    if(pEntryData!=nullptr)
                     {
                         ScChangeAction* pScChangeAction=
                                 static_cast<ScChangeAction*>(pEntryData->pData);
@@ -1767,7 +1767,7 @@ IMPL_LINK_NOARG_TYPED(ScAcceptChgDlg, CommandHdl, SvSimpleTable*, void)
 void ScAcceptChgDlg::Initialize(SfxChildWinInfo *pInfo)
 {
     OUString aStr;
-    if(pInfo!=NULL)
+    if(pInfo!=nullptr)
     {
         if ( !pInfo->aExtraString.isEmpty() )
         {
@@ -1867,7 +1867,7 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, ColCompareHdl, const SvSortData*, pSortData, sa
             RedlinData *pLeftData=static_cast<RedlinData *>(pLeft->GetUserData());
             RedlinData *pRightData=static_cast<RedlinData *>(pRight->GetUserData());
 
-            if(pLeftData!=NULL && pRightData!=NULL)
+            if(pLeftData!=nullptr && pRightData!=nullptr)
             {
                 if(pLeftData->aDateTime < pRightData->aDateTime)
                     nCompare = -1;
@@ -1881,7 +1881,7 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, ColCompareHdl, const SvSortData*, pSortData, sa
             ScRedlinData *pLeftData=static_cast<ScRedlinData *>(pLeft->GetUserData());
             ScRedlinData *pRightData=static_cast<ScRedlinData *>(pRight->GetUserData());
 
-            if(pLeftData!=NULL && pRightData!=NULL)
+            if(pLeftData!=nullptr && pRightData!=nullptr)
             {
                 nCompare = 1;
 
@@ -1907,7 +1907,7 @@ IMPL_LINK_TYPED( ScAcceptChgDlg, ColCompareHdl, const SvSortData*, pSortData, sa
         SvLBoxItem* pLeftItem = pTheView->GetEntryAtPos( pLeft, static_cast<sal_uInt16>(nSortCol));
         SvLBoxItem* pRightItem = pTheView->GetEntryAtPos( pRight, static_cast<sal_uInt16>(nSortCol));
 
-        if(pLeftItem != NULL && pRightItem != NULL)
+        if(pLeftItem != nullptr && pRightItem != nullptr)
         {
             sal_uInt16 nLeftKind = pLeftItem->GetType();
             sal_uInt16 nRightKind = pRightItem->GetType();
diff --git a/sc/source/ui/miscdlgs/anyrefdg.cxx b/sc/source/ui/miscdlgs/anyrefdg.cxx
index dfce667e6912..690095acce51 100644
--- a/sc/source/ui/miscdlgs/anyrefdg.cxx
+++ b/sc/source/ui/miscdlgs/anyrefdg.cxx
@@ -46,14 +46,14 @@
 
 ScFormulaReferenceHelper::ScFormulaReferenceHelper(IAnyRefDialog* _pDlg,SfxBindings* _pBindings)
  : m_pDlg(_pDlg)
- , pRefEdit (NULL)
- , pRefBtn (NULL)
- , m_pWindow(NULL)
+ , pRefEdit (nullptr)
+ , pRefBtn (nullptr)
+ , m_pWindow(nullptr)
  , m_pBindings(_pBindings)
  , m_nOldBorderWidth (0)
  , nRefTab(0)
  , mnOldEditWidthReq( -1 )
- , mpOldEditParent( NULL )
+ , mpOldEditParent( nullptr )
  , mbOldDlgLayoutEnabled( false )
  , mbOldEditParentLayoutEnabled( false )
  , bHighlightRef( false )
@@ -103,7 +103,7 @@ void ScFormulaReferenceHelper::enableInput( bool bEnable )
             {
                 SfxViewShell* p = pFrame->GetViewShell();
                 ScTabViewShell* pViewSh = dynamic_cast< ScTabViewShell *>( p );
-                if(pViewSh!=NULL)
+                if(pViewSh!=nullptr)
                 {
                     vcl::Window *pWin=pViewSh->GetWindow();
                     if(pWin)
@@ -211,7 +211,7 @@ void ScFormulaReferenceHelper::ShowFormulaReference(const OUString& rStr)
 
                 sal_uInt16 nIndex=0;
 
-                while(pToken!=NULL)
+                while(pToken!=nullptr)
                 {
                     bool bDoubleRef=(pToken->GetType()==formula::svDoubleRef);
 
@@ -248,7 +248,7 @@ void ScFormulaReferenceHelper::HideReference( bool bDoneRefMode )
     {
         ScTabViewShell* pTabViewShell=pViewData->GetViewShell();
 
-        if(pTabViewShell!=NULL)
+        if(pTabViewShell!=nullptr)
         {
             //  bDoneRefMode is sal_False when called from before SetReference.
             //  In that case, RefMode was just started and must not be ended now.
@@ -416,8 +416,8 @@ void ScFormulaReferenceHelper::RefInputDone( bool bForced )
             pResizeDialog->setOptimalLayoutSize();
         }
 
-        pRefEdit = NULL;
-        pRefBtn = NULL;
+        pRefEdit = nullptr;
+        pRefBtn = nullptr;
     }
 }
 
@@ -492,7 +492,7 @@ void ScFormulaReferenceHelper::RefInputStart( formula::RefEdit* pEdit, formula::
             }
         }
 
-        Dialog* pResizeDialog = NULL;
+        Dialog* pResizeDialog = nullptr;
 
         if (!mbOldDlgLayoutEnabled)
         {
@@ -633,7 +633,7 @@ bool ScFormulaReferenceHelper::DoClose( sal_uInt16 nId )
     }
 
     // find parent view frame to close dialog
-    SfxViewFrame* pMyViewFrm = NULL;
+    SfxViewFrame* pMyViewFrm = nullptr;
     if ( m_pBindings )
     {
         SfxDispatcher* pMyDisp = m_pBindings->GetDispatcher();
@@ -693,7 +693,7 @@ void ScFormulaReferenceHelper::EnableSpreadsheets(bool bFlag, bool bChildren)
             {
                 SfxViewShell* p = pFrame->GetViewShell();
                 ScTabViewShell* pViewSh = dynamic_cast< ScTabViewShell *>( p );
-                if(pViewSh!=NULL)
+                if(pViewSh!=nullptr)
                 {
                     vcl::Window *pWin=pViewSh->GetWindow();
                     if(pWin)
@@ -728,7 +728,7 @@ static void lcl_InvalidateWindows()
             {
                 SfxViewShell* p = pFrame->GetViewShell();
                 ScTabViewShell* pViewSh = dynamic_cast< ScTabViewShell *>( p );
-                if(pViewSh!=NULL)
+                if(pViewSh!=nullptr)
                 {
                     vcl::Window *pWin=pViewSh->GetWindow();
                     if(pWin)
@@ -764,7 +764,7 @@ ScRefHandler::ScRefHandler( vcl::Window &rWindow, SfxBindings* pB, bool bBindRef
         m_bInRefMode( false ),
         m_aHelper(this,pB),
         pMyBindings( pB ),
-        pActiveWin(NULL)
+        pActiveWin(nullptr)
 {
     m_aHelper.SetWindow(m_rWindow.get());
     reverseUniqueHelpIdHack(*m_rWindow.get());
@@ -780,12 +780,12 @@ bool ScRefHandler::EnterRefMode()
 
     SC_MOD()->InputEnterHandler();
 
-    ScTabViewShell* pScViewShell = NULL;
+    ScTabViewShell* pScViewShell = nullptr;
 
     // title has to be from the view that opened the dialog,
     // even if it's not the current view
 
-    SfxObjectShell* pParentDoc = NULL;
+    SfxObjectShell* pParentDoc = nullptr;
     if ( pMyBindings )
     {
         SfxDispatcher* pMyDisp = pMyBindings->GetDispatcher();
@@ -811,7 +811,7 @@ bool ScRefHandler::EnterRefMode()
     OSL_ENSURE( pInputHdl, "Missing input handler :-/" );
 
     if ( pInputHdl )
-        pInputHdl->NotifyChange( NULL );
+        pInputHdl->NotifyChange( nullptr );
 
     ScFormulaReferenceHelper::enableInput( false );
 
diff --git a/sc/source/ui/miscdlgs/autofmt.cxx b/sc/source/ui/miscdlgs/autofmt.cxx
index 18543180f249..8dd2cc9e2767 100644
--- a/sc/source/ui/miscdlgs/autofmt.cxx
+++ b/sc/source/ui/miscdlgs/autofmt.cxx
@@ -57,7 +57,7 @@
 
 ScAutoFmtPreview::ScAutoFmtPreview(vcl::Window* pParent)
     : Window(pParent)
-    , pCurData(NULL)
+    , pCurData(nullptr)
     , aVD(*this)
     , bFitWidth(false)
     , mbRTL(false)
@@ -196,7 +196,7 @@ void ScAutoFmtPreview::DrawString(vcl::RenderContext& rRenderContext, size_t nCo
     bool bNumFormat = pCurData->GetIncludeValueFormat();
     sal_uLong nNum;
     double nVal;
-    Color* pDummy = NULL;
+    Color* pDummy = nullptr;
     sal_uInt16 nIndex = static_cast<sal_uInt16>(maArray.GetCellIndex(nCol, nRow, mbRTL));
 
     switch (nIndex)
diff --git a/sc/source/ui/miscdlgs/conflictsdlg.cxx b/sc/source/ui/miscdlgs/conflictsdlg.cxx
index ae00e39adb4c..2d828dbeef9f 100644
--- a/sc/source/ui/miscdlgs/conflictsdlg.cxx
+++ b/sc/source/ui/miscdlgs/conflictsdlg.cxx
@@ -83,7 +83,7 @@ ScConflictsListEntry* ScConflictsListHelper::GetSharedActionEntry( ScConflictsLi
         }
     }
 
-    return NULL;
+    return nullptr;
 }
 
 ScConflictsListEntry* ScConflictsListHelper::GetOwnActionEntry( ScConflictsList& rConflictsList, sal_uLong nOwnAction )
@@ -97,7 +97,7 @@ ScConflictsListEntry* ScConflictsListHelper::GetOwnActionEntry( ScConflictsList&
         }
     }
 
-    return NULL;
+    return nullptr;
 }
 
 void ScConflictsListHelper::Transform_Impl( ScChangeActionList& rActionList, ScChangeActionMergeMap* pMergeMap )
@@ -191,7 +191,7 @@ ScConflictsListEntry* ScConflictsFinder::GetIntersectingEntry( const ScChangeAct
         }
     }
 
-    return NULL;
+    return nullptr;
 }
 
 ScConflictsListEntry* ScConflictsFinder::GetEntry( sal_uLong nSharedAction, const ScChangeActionList& rOwnActions )
@@ -380,10 +380,10 @@ ScConflictsDlg::ScConflictsDlg( vcl::Window* pParent, ScViewData* pViewData, ScD
     ,maStrTitleDate     ( ScResId( STR_TITLE_DATE ) )
     ,maStrUnknownUser   ( ScResId( STR_UNKNOWN_USER_CONFLICT ) )
     ,mpViewData         ( pViewData )
-    ,mpOwnDoc           ( NULL )
-    ,mpOwnTrack         ( NULL )
+    ,mpOwnDoc           ( nullptr )
+    ,mpOwnTrack         ( nullptr )
     ,mpSharedDoc        ( pSharedDoc )
-    ,mpSharedTrack      ( NULL )
+    ,mpSharedTrack      ( nullptr )
     ,mrConflictsList    ( rConflictsList )
     ,maDialogSize       ( GetSizePixel() )
     ,mbInSelectHdl      ( false )
@@ -395,12 +395,12 @@ ScConflictsDlg::ScConflictsDlg( vcl::Window* pParent, ScViewData* pViewData, ScD
     get(m_pBtnKeepAllOthers, "keepallothers");
 
     OSL_ENSURE( mpViewData, "ScConflictsDlg CTOR: mpViewData is null!" );
-    mpOwnDoc = ( mpViewData ? mpViewData->GetDocument() : NULL );
+    mpOwnDoc = ( mpViewData ? mpViewData->GetDocument() : nullptr );
     OSL_ENSURE( mpOwnDoc, "ScConflictsDlg CTOR: mpOwnDoc is null!" );
-    mpOwnTrack = ( mpOwnDoc ? mpOwnDoc->GetChangeTrack() : NULL );
+    mpOwnTrack = ( mpOwnDoc ? mpOwnDoc->GetChangeTrack() : nullptr );
     OSL_ENSURE( mpOwnTrack, "ScConflictsDlg CTOR: mpOwnTrack is null!" );
     OSL_ENSURE( mpSharedDoc, "ScConflictsDlg CTOR: mpSharedDoc is null!" );
-    mpSharedTrack = ( mpSharedDoc ? mpSharedDoc->GetChangeTrack() : NULL );
+    mpSharedTrack = ( mpSharedDoc ? mpSharedDoc->GetChangeTrack() : nullptr );
     OSL_ENSURE( mpSharedTrack, "ScConflictsDlg CTOR: mpSharedTrack is null!" );
 
     SetMinOutputSizePixel( maDialogSize );
@@ -434,7 +434,7 @@ ScConflictsDlg::ScConflictsDlg( vcl::Window* pParent, ScViewData* pViewData, ScD
     UpdateView();
 
     SvTreeListEntry* pEntry = m_pLbConflicts->First();
-    if ( pEntry != NULL )
+    if ( pEntry != nullptr )
     {
         m_pLbConflicts->Select( pEntry );
     }
@@ -600,8 +600,8 @@ IMPL_LINK_NOARG_TYPED(ScConflictsDlg, UpdateSelectionHdl, Idle *, void)
 
 void ScConflictsDlg::SetConflictAction( SvTreeListEntry* pRootEntry, ScConflictAction eConflictAction )
 {
-    RedlinData* pUserData = static_cast< RedlinData* >( pRootEntry ? pRootEntry->GetUserData() : NULL );
-    ScConflictsListEntry* pConflictEntry = static_cast< ScConflictsListEntry* >( pUserData ? pUserData->pData : NULL );
+    RedlinData* pUserData = static_cast< RedlinData* >( pRootEntry ? pRootEntry->GetUserData() : nullptr );
+    ScConflictsListEntry* pConflictEntry = static_cast< ScConflictsListEntry* >( pUserData ? pUserData->pData : nullptr );
     if ( pConflictEntry )
     {
         pConflictEntry->meConflictAction = eConflictAction;
@@ -611,7 +611,7 @@ void ScConflictsDlg::SetConflictAction( SvTreeListEntry* pRootEntry, ScConflictA
 void ScConflictsDlg::KeepHandler( bool bMine )
 {
     SvTreeListEntry* pEntry = m_pLbConflicts->FirstSelected();
-    SvTreeListEntry* pRootEntry = ( pEntry ? m_pLbConflicts->GetRootLevelParent( pEntry ) : NULL );
+    SvTreeListEntry* pRootEntry = ( pEntry ? m_pLbConflicts->GetRootLevelParent( pEntry ) : nullptr );
     if ( !pRootEntry )
     {
         return;
@@ -630,7 +630,7 @@ void ScConflictsDlg::KeepHandler( bool bMine )
 void ScConflictsDlg::KeepAllHandler( bool bMine )
 {
     SvTreeListEntry* pEntry = m_pLbConflicts->First();
-    SvTreeListEntry* pRootEntry = ( pEntry ? m_pLbConflicts->GetRootLevelParent( pEntry ) : NULL );
+    SvTreeListEntry* pRootEntry = ( pEntry ? m_pLbConflicts->GetRootLevelParent( pEntry ) : nullptr );
     if ( !pRootEntry )
     {
         return;
@@ -684,7 +684,7 @@ void ScConflictsDlg::UpdateView()
             ScChangeActionList::const_iterator aEndShared = aItr->maSharedActions.end();
             for ( ScChangeActionList::const_iterator aItrShared = aItr->maSharedActions.begin(); aItrShared != aEndShared; ++aItrShared )
             {
-                ScChangeAction* pAction = mpSharedTrack ? mpSharedTrack->GetAction(*aItrShared) : NULL;
+                ScChangeAction* pAction = mpSharedTrack ? mpSharedTrack->GetAction(*aItrShared) : nullptr;
                 if ( pAction )
                 {
                     // only display shared top content entries
@@ -698,14 +698,14 @@ void ScConflictsDlg::UpdateView()
                     }
 
                     OUString aString( GetActionString( pAction, mpSharedDoc ) );
-                    m_pLbConflicts->InsertEntry( aString, static_cast< RedlinData* >( NULL ), pRootEntry );
+                    m_pLbConflicts->InsertEntry( aString, static_cast< RedlinData* >( nullptr ), pRootEntry );
                 }
             }
 
             ScChangeActionList::const_iterator aEndOwn = aItr->maOwnActions.end();
             for ( ScChangeActionList::const_iterator aItrOwn = aItr->maOwnActions.begin(); aItrOwn != aEndOwn; ++aItrOwn )
             {
-                ScChangeAction* pAction = mpOwnTrack ? mpOwnTrack->GetAction(*aItrOwn) : NULL;
+                ScChangeAction* pAction = mpOwnTrack ? mpOwnTrack->GetAction(*aItrOwn) : nullptr;
                 if ( pAction )
                 {
                     // only display own top content entries
diff --git a/sc/source/ui/miscdlgs/crnrdlg.cxx b/sc/source/ui/miscdlgs/crnrdlg.cxx
index 9fde83cf8d42..fed1d44a0feb 100644
--- a/sc/source/ui/miscdlgs/crnrdlg.cxx
+++ b/sc/source/ui/miscdlgs/crnrdlg.cxx
@@ -46,7 +46,7 @@ ScColRowNameRangesDlg::ScColRowNameRangesDlg( SfxBindings* pB,
         pViewData       ( ptrViewData ),
         pDoc            ( ptrViewData->GetDocument() ),
 
-        pEdActive       ( NULL ),
+        pEdActive       ( nullptr ),
         bDlgLostFocus   ( false )
 {
     get(pLbRange,"range");
@@ -458,11 +458,11 @@ void ScColRowNameRangesDlg::UpdateNames()
 
 void ScColRowNameRangesDlg::UpdateRangeData( const ScRange& rRange, bool bColName )
 {
-    ScRangePair* pPair = NULL;
+    ScRangePair* pPair = nullptr;
     bool bFound = false;
-    if ( bColName && (pPair = xColNameRanges->Find( rRange )) != NULL )
+    if ( bColName && (pPair = xColNameRanges->Find( rRange )) != nullptr )
         bFound = true;
-    else if ( !bColName && (pPair = xRowNameRanges->Find( rRange )) != NULL )
+    else if ( !bColName && (pPair = xRowNameRanges->Find( rRange )) != nullptr )
         bFound = true;
 
     if ( bFound )
@@ -501,7 +501,7 @@ bool ScColRowNameRangesDlg::IsRefInputMode() const
 // passing the range lists to the document
 IMPL_LINK_NOARG_TYPED(ScColRowNameRangesDlg, OkBtnHdl, Button*, void)
 {
-    AddBtnHdl( 0 );
+    AddBtnHdl( nullptr );
 
     // assign RangeLists to the den references in the document
     pDoc->GetColNameRangesRef() = xColNameRanges;
@@ -537,12 +537,12 @@ IMPL_LINK_NOARG_TYPED(ScColRowNameRangesDlg, AddBtnHdl, Button*, void)
             theCurArea = aRange1;
             AdjustColRowData( aRange2 );
             ScRangePair* pPair;
-            if ( ( pPair = xColNameRanges->Find( theCurArea ) ) != NULL )
+            if ( ( pPair = xColNameRanges->Find( theCurArea ) ) != nullptr )
             {
                 xColNameRanges->Remove( pPair );
                 delete pPair;
             }
-            if ( ( pPair = xRowNameRanges->Find( theCurArea ) ) != NULL )
+            if ( ( pPair = xRowNameRanges->Find( theCurArea ) ) != nullptr )
             {
                 xRowNameRanges->Remove( pPair );
                 delete pPair;
@@ -587,11 +587,11 @@ IMPL_LINK_NOARG_TYPED(ScColRowNameRangesDlg, RemoveBtnHdl, Button*, void)
         return;
     const ScRange& rRange = itr->second;
 
-    ScRangePair* pPair = NULL;
+    ScRangePair* pPair = nullptr;
     bool bFound = false;
-    if ( bColName && (pPair = xColNameRanges->Find( rRange )) != NULL )
+    if ( bColName && (pPair = xColNameRanges->Find( rRange )) != nullptr )
         bFound = true;
-    else if ( !bColName && (pPair = xRowNameRanges->Find( rRange )) != NULL )
+    else if ( !bColName && (pPair = xRowNameRanges->Find( rRange )) != nullptr )
         bFound = true;
     if ( bFound )
     {
@@ -805,7 +805,7 @@ IMPL_LINK_TYPED( ScColRowNameRangesDlg, GetFocusHdl, Control&, rCtrl, void )
     else if( (&rCtrl == static_cast<Control*>(pEdAssign2)) || (&rCtrl == static_cast<Control*>(pRbAssign2)) )
         pEdActive = pEdAssign2;
     else
-        pEdActive = NULL;
+        pEdActive = nullptr;
 
     if( pEdActive )
         pEdActive->SetSelection( Selection( 0, SELECTION_MAX ) );
diff --git a/sc/source/ui/miscdlgs/datafdlg.cxx b/sc/source/ui/miscdlgs/datafdlg.cxx
index 86923ab3ce32..64dd5de5e165 100644
--- a/sc/source/ui/miscdlgs/datafdlg.cxx
+++ b/sc/source/ui/miscdlgs/datafdlg.cxx
@@ -173,8 +173,8 @@ ScDataFormDlg::ScDataFormDlg(vcl::Window* pParent, ScTabViewShell* pTabViewShell
             }
             else
             {
-                maFixedTexts.push_back( NULL );
-                maEdits.push_back( NULL );
+                maFixedTexts.push_back( nullptr );
+                maEdits.push_back( nullptr );
             }
             if (maEdits[nIndex] != nullptr)
                 maEdits[nIndex]->SetModifyHdl( HDL(Impl_DataModifyHdl) );
diff --git a/sc/source/ui/miscdlgs/filldlg.cxx b/sc/source/ui/miscdlgs/filldlg.cxx
index a254a0ee8aa8..c2da83919bc2 100644
--- a/sc/source/ui/miscdlgs/filldlg.cxx
+++ b/sc/source/ui/miscdlgs/filldlg.cxx
@@ -304,7 +304,7 @@ IMPL_LINK_NOARG_TYPED(ScFillSeriesDlg, OKHdl, Button*, void)
     else if ( m_pBtnYear->IsChecked() )        theFillDateCmd = FILL_YEAR;
 
     bool  bAllOk = true;
-    Edit* pEdWrong = NULL;
+    Edit* pEdWrong = nullptr;
     if ( !CheckStartVal() )
     {
         bAllOk = false;
diff --git a/sc/source/ui/miscdlgs/highred.cxx b/sc/source/ui/miscdlgs/highred.cxx
index 38425944bf5c..020066d7c99f 100644
--- a/sc/source/ui/miscdlgs/highred.cxx
+++ b/sc/source/ui/miscdlgs/highred.cxx
@@ -92,7 +92,7 @@ void ScHighlightChgDlg::Init()
     OSL_ENSURE( pViewData && pDoc, "ViewData oder Document nicht gefunden!" );
 
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
     {
         aChangeViewSet.SetTheAuthorToShow(pChanges->GetUser());
         m_pFilterCtr->ClearAuthors();
@@ -104,7 +104,7 @@ void ScHighlightChgDlg::Init()
 
     ScChangeViewSettings* pViewSettings=pDoc->GetChangeViewSettings();
 
-    if(pViewSettings!=NULL)
+    if(pViewSettings!=nullptr)
         aChangeViewSet=*pViewSettings;
     m_pHighlightBox->Check(aChangeViewSet.ShowChanges());
     m_pFilterCtr->CheckDate(aChangeViewSet.HasDate());
@@ -185,7 +185,7 @@ bool ScHighlightChgDlg::IsRefInputMode() const
 
 IMPL_LINK_TYPED( ScHighlightChgDlg, HighlightHandle, Button*, pCb, void )
 {
-    if(pCb!=NULL)
+    if(pCb!=nullptr)
     {
         if(m_pHighlightBox->IsChecked())
         {
@@ -204,7 +204,7 @@ IMPL_LINK_TYPED( ScHighlightChgDlg, HighlightHandle, Button*, pCb, void )
 
 IMPL_LINK_TYPED( ScHighlightChgDlg, RefHandle, SvxTPFilter*, pRef, void )
 {
-    if(pRef!=NULL)
+    if(pRef!=nullptr)
     {
         SetDispatcherLock( true );
         m_pEdAssign->Show();
diff --git a/sc/source/ui/miscdlgs/instbdlg.cxx b/sc/source/ui/miscdlgs/instbdlg.cxx
index 410b27a8a538..a84d893b3b98 100644
--- a/sc/source/ui/miscdlgs/instbdlg.cxx
+++ b/sc/source/ui/miscdlgs/instbdlg.cxx
@@ -38,8 +38,8 @@ ScInsertTableDlg::ScInsertTableDlg( vcl::Window* pParent, ScViewData& rData, SCT
     : ModalDialog(pParent, "InsertSheetDialog", "modules/scalc/ui/insertsheet.ui")
     , rViewData(rData)
     , rDoc(*rData.GetDocument())
-    , pDocShTables(NULL)
-    , pDocInserter(NULL)
+    , pDocShTables(nullptr)
+    , pDocInserter(nullptr)
     , bMustClose(false)
     , nSelTabIndex(0)
     , nTableCount(nTabCount)
@@ -209,7 +209,7 @@ void ScInsertTableDlg::FillTables_Impl( ScDocument* pSrcDoc )
 
 const OUString* ScInsertTableDlg::GetFirstTable( sal_uInt16* pN )
 {
-    const OUString* pStr = NULL;
+    const OUString* pStr = nullptr;
 
     if ( m_pBtnNew->IsChecked() )
     {
@@ -230,7 +230,7 @@ const OUString* ScInsertTableDlg::GetFirstTable( sal_uInt16* pN )
 
 const OUString* ScInsertTableDlg::GetNextTable( sal_uInt16* pN )
 {
-    const OUString* pStr = NULL;
+    const OUString* pStr = nullptr;
 
     if ( !m_pBtnNew->IsChecked() && nSelTabIndex < m_pLbTables->GetSelectEntryCount() )
     {
@@ -353,9 +353,9 @@ IMPL_LINK_TYPED( ScInsertTableDlg, DialogClosedHdl, sfx2::FileDialogHelper*, _pF
             {
                 pDocShTables->DoClose();
                 aDocShTablesRef.Clear();
-                pDocShTables = NULL;
+                pDocShTables = nullptr;
 
-                FillTables_Impl( NULL );
+                FillTables_Impl( nullptr );
                 m_pFtPath->SetText( EMPTY_OUSTRING );
             }
         }
diff --git a/sc/source/ui/miscdlgs/linkarea.cxx b/sc/source/ui/miscdlgs/linkarea.cxx
index 7baacc499b47..98b1958f8e1c 100644
--- a/sc/source/ui/miscdlgs/linkarea.cxx
+++ b/sc/source/ui/miscdlgs/linkarea.cxx
@@ -39,8 +39,8 @@
 
 ScLinkedAreaDlg::ScLinkedAreaDlg(vcl::Window* pParent)
     : ModalDialog(pParent, "ExternalDataDialog", "modules/scalc/ui/externaldata.ui")
-    , pSourceShell(NULL)
-    , pDocInserter(NULL)
+    , pSourceShell(nullptr)
+    , pDocInserter(nullptr)
 
 {
     get(m_pCbUrl, "url");
@@ -139,7 +139,7 @@ void ScLinkedAreaDlg::LoadDocument( const OUString& rFile, const OUString& rFilt
     {
         //  unload old document
         pSourceShell->DoClose();
-        pSourceShell = NULL;
+        pSourceShell = nullptr;
         aSourceRef.Clear();
     }
 
@@ -252,7 +252,7 @@ IMPL_LINK_TYPED( ScLinkedAreaDlg, DialogClosedHdl, sfx2::FileDialogHelper*, _pFi
         else
         {
             pSourceShell->DoClose();
-            pSourceShell = NULL;
+            pSourceShell = nullptr;
             aSourceRef.Clear();
 
             m_pCbUrl->SetText( EMPTY_OUSTRING );
diff --git a/sc/source/ui/miscdlgs/mvtabdlg.cxx b/sc/source/ui/miscdlgs/mvtabdlg.cxx
index 4d25cdad020a..210830fa7188 100644
--- a/sc/source/ui/miscdlgs/mvtabdlg.cxx
+++ b/sc/source/ui/miscdlgs/mvtabdlg.cxx
@@ -217,7 +217,7 @@ void ScMoveTableDlg::Init()
 void ScMoveTableDlg::InitDocListBox()
 {
     SfxObjectShell* pSh     = SfxObjectShell::GetFirst();
-    ScDocShell*     pScSh   = NULL;
+    ScDocShell*     pScSh   = nullptr;
     sal_uInt16          nSelPos = 0;
     sal_uInt16          i       = 0;
     OUString          aEntryName;
diff --git a/sc/source/ui/miscdlgs/optsolver.cxx b/sc/source/ui/miscdlgs/optsolver.cxx
index cd18e0a1911b..76eac3a7538b 100644
--- a/sc/source/ui/miscdlgs/optsolver.cxx
+++ b/sc/source/ui/miscdlgs/optsolver.cxx
@@ -186,7 +186,7 @@ ScOptSolverDlg::ScOptSolverDlg( SfxBindings* pB, SfxChildWindow* pCW, vcl::Windo
     , mpDocShell(pDocSh)
     , mrDoc(pDocSh->GetDocument())
     , mnCurTab(aCursorPos.Tab())
-    , mpEdActive(NULL)
+    , mpEdActive(nullptr)
     , mbDlgLostFocus(false)
     , nScrollPos(0)
 {
@@ -453,7 +453,7 @@ void ScOptSolverDlg::Init(const ScAddress& rCursorPos)
         m_pRbMax->Check();
         OUString aCursorStr;
         if ( !mrDoc.GetRangeAtBlock( ScRange(rCursorPos), &aCursorStr ) )
-            aCursorStr = rCursorPos.Format(SCA_ABS, NULL, mrDoc.GetAddressConvention());
+            aCursorStr = rCursorPos.Format(SCA_ABS, nullptr, mrDoc.GetAddressConvention());
         m_pEdObjectiveCell->SetRefString( aCursorStr );
         if ( nImplCount > 0 )
             maEngine = maImplNames[0];  // use first implementation
@@ -643,8 +643,8 @@ IMPL_LINK_TYPED( ScOptSolverDlg, BtnHdl, Button*, pBtn, void )
 
 IMPL_LINK_TYPED( ScOptSolverDlg, GetFocusHdl, Control&, rCtrl, void )
 {
-    Edit* pEdit = NULL;
-    mpEdActive = NULL;
+    Edit* pEdit = nullptr;
+    mpEdActive = nullptr;
 
     if( &rCtrl == m_pEdObjectiveCell || &rCtrl == m_pRBObjectiveCell )
         pEdit = mpEdActive = m_pEdObjectiveCell;
@@ -745,7 +745,7 @@ IMPL_LINK_TYPED( ScOptSolverDlg, CursorUpHdl, ScCursorRefEdit&, rEdit, void )
     }
     else
     {
-        formula::RefEdit* pFocus = NULL;
+        formula::RefEdit* pFocus = nullptr;
         for ( sal_uInt16 nRow = 1; nRow < EDIT_ROW_COUNT; ++nRow )      // second row or below: move focus
         {
             if ( &rEdit == mpLeftEdit[nRow] )
@@ -774,7 +774,7 @@ IMPL_LINK_TYPED( ScOptSolverDlg, CursorDownHdl, ScCursorRefEdit&, rEdit, void )
     }
     else
     {
-        formula::RefEdit* pFocus = NULL;
+        formula::RefEdit* pFocus = nullptr;
         for ( sal_uInt16 nRow = 0; nRow+1 < EDIT_ROW_COUNT; ++nRow )      // before last row: move focus
         {
             if ( &rEdit == mpLeftEdit[nRow] )
@@ -908,7 +908,7 @@ bool ScOptSolverDlg::CallSolver()       // return true -> close dialog after cal
             ScRange aLeftRange;
             if ( !ParseRef( aLeftRange, aConstrIter->aLeftStr, true ) )
             {
-                ShowError( true, NULL );
+                ShowError( true, nullptr );
                 return false;
             }
 
@@ -924,7 +924,7 @@ bool ScOptSolverDlg::CallSolver()       // return true -> close dialog after cal
                     bIsRange = true;    // same size as "left" range, resolve into single cells
                 else
                 {
-                    ShowError( true, NULL );
+                    ShowError( true, nullptr );
                     return false;
                 }
             }
@@ -937,7 +937,7 @@ bool ScOptSolverDlg::CallSolver()       // return true -> close dialog after cal
                 else if ( aConstraint.Operator != sheet::SolverConstraintOperator_INTEGER &&
                           aConstraint.Operator != sheet::SolverConstraintOperator_BINARY )
                 {
-                    ShowError( true, NULL );
+                    ShowError( true, nullptr );
                     return false;
                 }
             }
diff --git a/sc/source/ui/miscdlgs/redcom.cxx b/sc/source/ui/miscdlgs/redcom.cxx
index d8bd6b757d3f..8d38287f303e 100644
--- a/sc/source/ui/miscdlgs/redcom.cxx
+++ b/sc/source/ui/miscdlgs/redcom.cxx
@@ -28,9 +28,9 @@
 
 ScRedComDialog::ScRedComDialog( vcl::Window* pParent, const SfxItemSet& rCoreSet,
                     ScDocShell *pShell, ScChangeAction *pAction, bool bPrevNext)
-    : pChangeAction(NULL)
-    , pDocShell(NULL)
-    , pDlg(NULL)
+    : pChangeAction(nullptr)
+    , pDocShell(nullptr)
+    , pDlg(nullptr)
 {
     SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
     if(pFact)
@@ -55,14 +55,14 @@ ScRedComDialog::~ScRedComDialog()
 
 ScChangeAction *ScRedComDialog::FindPrev(ScChangeAction *pAction)
 {
-    if(pAction!=NULL && pDocShell !=NULL)
+    if(pAction!=nullptr && pDocShell !=nullptr)
     {
         ScDocument& rDoc = pDocShell->GetDocument();
         ScChangeViewSettings* pSettings = rDoc.GetChangeViewSettings();
 
         pAction=pAction->GetPrev();
 
-        while(pAction!=NULL)
+        while(pAction!=nullptr)
         {
             if( pAction->GetState()==SC_CAS_VIRGIN &&
                 pAction->IsDialogRoot() &&
@@ -76,14 +76,14 @@ ScChangeAction *ScRedComDialog::FindPrev(ScChangeAction *pAction)
 
 ScChangeAction *ScRedComDialog::FindNext(ScChangeAction *pAction)
 {
-    if(pAction!=NULL && pDocShell !=NULL)
+    if(pAction!=nullptr && pDocShell !=nullptr)
     {
         ScDocument& rDoc = pDocShell->GetDocument();
         ScChangeViewSettings* pSettings = rDoc.GetChangeViewSettings();
 
         pAction=pAction->GetNext();
 
-        while(pAction!=NULL)
+        while(pAction!=nullptr)
         {
             if( pAction->GetState()==SC_CAS_VIRGIN &&
                 pAction->IsDialogRoot() &&
@@ -98,15 +98,15 @@ ScChangeAction *ScRedComDialog::FindNext(ScChangeAction *pAction)
 void ScRedComDialog::ReInit(ScChangeAction *pAction)
 {
     pChangeAction=pAction;
-    if(pChangeAction!=NULL && pDocShell !=NULL)
+    if(pChangeAction!=nullptr && pDocShell !=nullptr)
     {
         OUString aTitle;
         pChangeAction->GetDescription( aTitle, &pDocShell->GetDocument());
         pDlg->SetText(aTitle);
         aComment=pChangeAction->GetComment();
 
-        bool bNext=FindNext(pChangeAction)!=NULL;
-        bool bPrev=FindPrev(pChangeAction)!=NULL;
+        bool bNext=FindNext(pChangeAction)!=nullptr;
+        bool bPrev=FindPrev(pChangeAction)!=nullptr;
         pDlg->EnableTravel(bNext,bPrev);
 
         OUString aAuthor = pChangeAction->GetUser();
@@ -127,7 +127,7 @@ short ScRedComDialog::Execute()
 
     if(nRet== RET_OK )
     {
-        if ( pDocShell!=NULL && pDlg->GetNote() != aComment )
+        if ( pDocShell!=nullptr && pDlg->GetNote() != aComment )
             pDocShell->SetChangeComment( pChangeAction, pDlg->GetNote());
     }
 
@@ -136,7 +136,7 @@ short ScRedComDialog::Execute()
 
 void ScRedComDialog::SelectCell()
 {
-    if(pChangeAction!=NULL)
+    if(pChangeAction!=nullptr)
     {
         const ScChangeAction* pAction=pChangeAction;
         const ScBigRange& rRange = pAction->GetBigRange();
@@ -153,7 +153,7 @@ void ScRedComDialog::SelectCell()
 
 IMPL_LINK_TYPED(ScRedComDialog, PrevHdl, AbstractSvxPostItDialog&, rDlgP, void )
 {
-    if (pDocShell!=NULL && rDlgP.GetNote() != aComment )
+    if (pDocShell!=nullptr && rDlgP.GetNote() != aComment )
         pDocShell->SetChangeComment( pChangeAction, rDlgP.GetNote());
 
     ReInit(FindPrev(pChangeAction));
@@ -162,7 +162,7 @@ IMPL_LINK_TYPED(ScRedComDialog, PrevHdl, AbstractSvxPostItDialog&, rDlgP, void )
 
 IMPL_LINK_TYPED(ScRedComDialog, NextHdl, AbstractSvxPostItDialog&, rDlgP, void )
 {
-    if ( pDocShell!=NULL && rDlgP.GetNote() != aComment )
+    if ( pDocShell!=nullptr && rDlgP.GetNote() != aComment )
         pDocShell->SetChangeComment( pChangeAction, rDlgP.GetNote());
 
     ReInit(FindNext(pChangeAction));
diff --git a/sc/source/ui/miscdlgs/retypepassdlg.cxx b/sc/source/ui/miscdlgs/retypepassdlg.cxx
index 080e8c4eeed1..e7ccc2d025b0 100644
--- a/sc/source/ui/miscdlgs/retypepassdlg.cxx
+++ b/sc/source/ui/miscdlgs/retypepassdlg.cxx
@@ -34,7 +34,7 @@ ScRetypePassDlg::ScRetypePassDlg(vcl::Window* pParent) :
     maTextHashGood(ScResId(STR_HASH_GOOD)),
     maTextHashRegen(ScResId(STR_HASH_REGENERATED)),
 
-    mpDocItem(static_cast<ScDocProtection*>(NULL)),
+    mpDocItem(static_cast<ScDocProtection*>(nullptr)),
     mnCurScrollPos(0),
     meDesiredHash(PASSHASH_SHA1)
 {
@@ -270,7 +270,7 @@ IMPL_LINK_NOARG_TYPED(ScRetypePassDlg, OKHdl, Button*, void)
 
 IMPL_LINK_TYPED( ScRetypePassDlg, RetypeBtnHdl, Button*, pBtn, void )
 {
-    ScPassHashProtectable* pProtected = NULL;
+    ScPassHashProtectable* pProtected = nullptr;
     if (pBtn == mpBtnRetypeDoc)
     {
         // document protection.
@@ -283,7 +283,7 @@ IMPL_LINK_TYPED( ScRetypePassDlg, RetypeBtnHdl, Button*, pBtn, void )
         while(aPos < maSheets.size() && pBtn != maSheets[aPos]->GetChild(2))
             ++aPos;
 
-        pProtected = aPos < maSheets.size() ? maTableItems[aPos].mpProtect.get() : 0;
+        pProtected = aPos < maSheets.size() ? maTableItems[aPos].mpProtect.get() : nullptr;
     }
 
     if (!pProtected)
diff --git a/sc/source/ui/miscdlgs/sharedocdlg.cxx b/sc/source/ui/miscdlgs/sharedocdlg.cxx
index c3c54ea560f0..213b93a4cdf4 100644
--- a/sc/source/ui/miscdlgs/sharedocdlg.cxx
+++ b/sc/source/ui/miscdlgs/sharedocdlg.cxx
@@ -72,10 +72,10 @@ public:
 ScShareDocumentDlg::ScShareDocumentDlg( vcl::Window* pParent, ScViewData* pViewData )
     : ModalDialog(pParent, "ShareDocumentDialog", "modules/scalc/ui/sharedocumentdlg.ui")
     , mpViewData(pViewData)
-    , mpDocShell(NULL)
+    , mpDocShell(nullptr)
 {
     OSL_ENSURE( mpViewData, "ScShareDocumentDlg CTOR: mpViewData is null!" );
-    mpDocShell = ( mpViewData ? mpViewData->GetDocShell() : NULL );
+    mpDocShell = ( mpViewData ? mpViewData->GetDocShell() : nullptr );
     OSL_ENSURE( mpDocShell, "ScShareDocumentDlg CTOR: mpDocShell is null!" );
 
     get(m_pCbShare, "share");
diff --git a/sc/source/ui/miscdlgs/simpref.cxx b/sc/source/ui/miscdlgs/simpref.cxx
index 50309ea5e219..efb13fba9973 100644
--- a/sc/source/ui/miscdlgs/simpref.cxx
+++ b/sc/source/ui/miscdlgs/simpref.cxx
@@ -205,7 +205,7 @@ IMPL_LINK_NOARG_TYPED(ScSimpleRefDlg, CancelBtnHdl, Button*, void)
 {
     bAutoReOpen=false;
     OUString aResult=m_pEdAssign->GetText();
-    aCloseHdl.Call(NULL);
+    aCloseHdl.Call(nullptr);
     Link<const OUString&,void> aUnoLink = aAbortedHdl;  // stack var because this is deleted in DoClose
     DoClose( ScSimpleRefDlgWrapper::GetChildWindowId() );
     aUnoLink.Call( aResult );
diff --git a/sc/source/ui/miscdlgs/solveroptions.cxx b/sc/source/ui/miscdlgs/solveroptions.cxx
index bd7965b285cf..0b74046f7c81 100644
--- a/sc/source/ui/miscdlgs/solveroptions.cxx
+++ b/sc/source/ui/miscdlgs/solveroptions.cxx
@@ -110,7 +110,7 @@ ScSolverOptionsDialog::ScSolverOptionsDialog( vcl::Window* pParent,
                         const uno::Sequence<beans::PropertyValue>& rProperties )
     : ModalDialog(pParent, "SolverOptionsDialog",
         "modules/scalc/ui/solveroptionsdialog.ui")
-    , mpCheckButtonData(NULL)
+    , mpCheckButtonData(nullptr)
     , maImplNames(rImplNames)
     , maDescriptions(rDescriptions)
     , maEngine(rEngine)
@@ -251,7 +251,7 @@ void ScSolverOptionsDialog::FillListBox()
         mpCheckButtonData = new SvLBoxButtonData(m_pLbSettings);
 
     SvTreeList* pModel = m_pLbSettings->GetModel();
-    SvTreeListEntry* pEntry = NULL;
+    SvTreeListEntry* pEntry = nullptr;
 
     for (sal_Int32 nPos=0; nPos<nCount; nPos++)
     {
diff --git a/sc/source/ui/miscdlgs/solvrdlg.cxx b/sc/source/ui/miscdlgs/solvrdlg.cxx
index bf775e7233de..28df67176ec7 100644
--- a/sc/source/ui/miscdlgs/solvrdlg.cxx
+++ b/sc/source/ui/miscdlgs/solvrdlg.cxx
@@ -48,7 +48,7 @@ ScSolverDlg::ScSolverDlg( SfxBindings* pB, SfxChildWindow* pCW, vcl::Window* pPa
     , theVariableCell(aCursorPos)
     , pDoc(pDocument)
     , nCurTab(aCursorPos.Tab())
-    , pEdActive(NULL)
+    , pEdActive(nullptr)
     , bDlgLostFocus(false)
     , errMsgInvalidVar(ScGlobal::GetRscString(STR_INVALIDVAR))
     , errMsgInvalidForm(ScGlobal::GetRscString(STR_INVALIDFORM))
@@ -109,7 +109,7 @@ void ScSolverDlg::Init()
     m_pEdVariableCell->SetLoseFocusHdl ( aLink );
     m_pRBVariableCell->SetLoseFocusHdl ( aLink );
 
-    OUString aStr(theFormulaCell.Format(SCA_ABS, NULL, pDoc->GetAddressConvention()));
+    OUString aStr(theFormulaCell.Format(SCA_ABS, nullptr, pDoc->GetAddressConvention()));
 
     m_pEdFormulaCell->SetText( aStr );
     m_pEdFormulaCell->GrabFocus();
@@ -257,8 +257,8 @@ IMPL_LINK_TYPED( ScSolverDlg, BtnHdl, Button*, pBtn, void )
 
 IMPL_LINK_TYPED( ScSolverDlg, GetFocusHdl, Control&, rCtrl, void )
 {
-    Edit* pEdit = NULL;
-    pEdActive = NULL;
+    Edit* pEdit = nullptr;
+    pEdActive = nullptr;
 
     if( (&rCtrl == static_cast<Control*>(m_pEdFormulaCell)) || (&rCtrl == static_cast<Control*>(m_pRBFormulaCell)) )
         pEdit = pEdActive = m_pEdFormulaCell;
diff --git a/sc/source/ui/miscdlgs/tabbgcolordlg.cxx b/sc/source/ui/miscdlgs/tabbgcolordlg.cxx
index 60b1d6d9751d..a8993d851bd1 100644
--- a/sc/source/ui/miscdlgs/tabbgcolordlg.cxx
+++ b/sc/source/ui/miscdlgs/tabbgcolordlg.cxx
@@ -77,14 +77,14 @@ void ScTabBgColorDlg::GetSelectedColor( Color& rColor ) const
 void ScTabBgColorDlg::FillColorValueSets_Impl()
 {
     SfxObjectShell* pDocSh = SfxObjectShell::Current();
-    const SfxPoolItem* pItem = NULL;
+    const SfxPoolItem* pItem = nullptr;
     XColorListRef pColorList;
 
     sal_uInt16 nSelectedItem = 0;
 
     OSL_ENSURE( pDocSh, "DocShell not found!" );
 
-    if ( pDocSh && ( 0 != ( pItem = pDocSh->GetItem(SID_COLOR_TABLE) ) ) )
+    if ( pDocSh && ( nullptr != ( pItem = pDocSh->GetItem(SID_COLOR_TABLE) ) ) )
         pColorList = static_cast<const SvxColorListItem*>(pItem)->GetColorList();
     if ( !pColorList.is() )
         pColorList = XColorList::CreateStdColorList();
@@ -135,7 +135,7 @@ IMPL_LINK_NOARG_TYPED(ScTabBgColorDlg, TabBgColorOKHdl_Impl, Button*, void)
 
 ScTabBgColorDlg::ScTabBgColorValueSet::ScTabBgColorValueSet(vcl::Window* pParent, WinBits nStyle)
     : SvxColorValueSet(pParent, nStyle)
-    , m_pTabBgColorDlg(NULL)
+    , m_pTabBgColorDlg(nullptr)
 {
 }
 
diff --git a/sc/source/ui/miscdlgs/tabopdlg.cxx b/sc/source/ui/miscdlgs/tabopdlg.cxx
index 50d46e222422..d48918b5dac5 100644
--- a/sc/source/ui/miscdlgs/tabopdlg.cxx
+++ b/sc/source/ui/miscdlgs/tabopdlg.cxx
@@ -41,7 +41,7 @@ ScTabOpDlg::ScTabOpDlg( SfxBindings* pB, SfxChildWindow* pCW, vcl::Window* pPare
     , theFormulaCell(rCursorPos)
     , pDoc(pDocument)
     , nCurTab(theFormulaCell.Tab())
-    , pEdActive(NULL)
+    , pEdActive(nullptr)
     , bDlgLostFocus(false)
     , errMsgNoFormula(ScResId(STR_NOFORMULASPECIFIED))
     , errMsgNoColRow(ScResId(STR_NOCOLROW))
@@ -331,7 +331,7 @@ IMPL_LINK_TYPED( ScTabOpDlg, GetFocusHdl, Control&, rCtrl, void )
     else if( (&rCtrl == static_cast<Control*>(m_pEdColCell)) || (&rCtrl == static_cast<Control*>(m_pRBColCell)) )
         pEdActive = m_pEdColCell;
     else
-        pEdActive = NULL;
+        pEdActive = nullptr;
 
     if( pEdActive )
         pEdActive->SetSelection( Selection( 0, SELECTION_MAX ) );
diff --git a/sc/source/ui/namedlg/namedefdlg.cxx b/sc/source/ui/namedlg/namedefdlg.cxx
index fee5baaba4ba..7c813258f283 100644
--- a/sc/source/ui/namedlg/namedefdlg.cxx
+++ b/sc/source/ui/namedlg/namedefdlg.cxx
@@ -148,7 +148,7 @@ bool ScNameDefDlg::IsNameValid()
     OUString aScope = m_pLbScope->GetSelectEntry();
     OUString aName = m_pEdName->GetText();
 
-    ScRangeName* pRangeName = NULL;
+    ScRangeName* pRangeName = nullptr;
     if(aScope == maGlobalNameStr)
     {
         pRangeName = maRangeMap.find(OUString(STR_GLOBAL_RANGE_NAME))->second;
@@ -207,7 +207,7 @@ void ScNameDefDlg::AddPushed()
         return;
     }
 
-    ScRangeName* pRangeName = NULL;
+    ScRangeName* pRangeName = nullptr;
     if(aScope == maGlobalNameStr)
     {
         pRangeName = maRangeMap.find(OUString(STR_GLOBAL_RANGE_NAME))->second;
@@ -244,7 +244,7 @@ void ScNameDefDlg::AddPushed()
             if ( 0 == pNewEntry->GetErrCode() )
             {
                 if ( !pRangeName->insert( pNewEntry ) )
-                    pNewEntry = NULL;
+                    pNewEntry = nullptr;
 
                 if (mbUndo)
                 {
diff --git a/sc/source/ui/namedlg/namemgrtable.cxx b/sc/source/ui/namedlg/namemgrtable.cxx
index 655fce68b964..0a557a627586 100644
--- a/sc/source/ui/namedlg/namemgrtable.cxx
+++ b/sc/source/ui/namedlg/namemgrtable.cxx
@@ -62,7 +62,7 @@ ScRangeManagerTable::ScRangeManagerTable(SvSimpleTableContainer& rParent,
     ShowTable();
     SetSelectionMode(MULTIPLE_SELECTION);
     SetScrolledHdl( LINK( this, ScRangeManagerTable, ScrollHdl ) );
-    HeaderEndDragHdl(NULL);
+    HeaderEndDragHdl(nullptr);
 }
 
 void ScRangeManagerTable::Resize()
@@ -100,7 +100,7 @@ void ScRangeManagerTable::setColWidths()
     rHeaderBar.SetItemSize( ITEMID_SCOPE, nTabSize);
     static long aStaticTabs[] = {3, 0, nTabSize, 2*nTabSize };
     SetTabs( &aStaticTabs[0], MAP_PIXEL );
-    HeaderEndDragHdl(NULL);
+    HeaderEndDragHdl(nullptr);
 }
 
 ScRangeManagerTable::~ScRangeManagerTable()
diff --git a/sc/source/ui/navipi/content.cxx b/sc/source/ui/navipi/content.cxx
index 0247cdffeb39..29535bd4b2f2 100644
--- a/sc/source/ui/navipi/content.cxx
+++ b/sc/source/ui/navipi/content.cxx
@@ -82,7 +82,7 @@ bool ScContentTree::bIsInDrag = false;
 
 ScDocShell* ScContentTree::GetManualOrCurrent()
 {
-    ScDocShell* pSh = NULL;
+    ScDocShell* pSh = nullptr;
     if ( !aManualDoc.isEmpty() )
     {
         SfxObjectShell* pObjSh = SfxObjectShell::GetFirst( checkSfxObjectShell<ScDocShell> );
@@ -116,7 +116,7 @@ ScContentTree::ScContentTree( vcl::Window* pParent, const ResId& rResId ) :
     aEntryImages    ( ScResId( RID_IMAGELIST_NAVCONT ) ),
     nRootType       ( ScContentId::ROOT ),
     bHiddenDoc      ( false ),
-    pHiddenDocument ( NULL ),
+    pHiddenDocument ( nullptr ),
     bisInNavigatoeDlg  ( false )
 {
     sal_uInt16 i;
@@ -125,7 +125,7 @@ ScContentTree::ScContentTree( vcl::Window* pParent, const ResId& rResId ) :
 
     pParentWindow = static_cast<ScNavigatorDlg*>(pParent);
 
-    pRootNodes[ScContentId::ROOT] = NULL;
+    pRootNodes[ScContentId::ROOT] = nullptr;
     for (i=1; i<(int)ScContentId::LAST; i++)
         InitRoot((ScContentId)i);
 
@@ -133,7 +133,7 @@ ScContentTree::ScContentTree( vcl::Window* pParent, const ResId& rResId ) :
 
     SetDoubleClickHdl( LINK( this, ScContentTree, ContentDoubleClickHdl ) );
 
-    pTmpEntry= NULL;
+    pTmpEntry= nullptr;
     m_bFirstPaint=true;
 
     SetStyle( GetStyle() | WB_QUICK_SEARCH );
@@ -163,7 +163,7 @@ OUString ScContentTree::getAltLongDescText( SvTreeListEntry* pEntry, bool isAltT
     case ScContentId::GRAPHIC:
     case ScContentId::DRAWING:
         {
-            SdrObject* pFound = NULL;
+            SdrObject* pFound = nullptr;
             ScDocument* pDoc = ( const_cast< ScContentTree* >(this) )->GetSourceDocument();
             SdrIterMode eIter = ( nType == ScContentId::DRAWING ) ? IM_FLAT : IM_DEEPNOGROUPS;
             ScDrawLayer* pDrawLayer = pDoc->GetDrawLayer();
@@ -222,7 +222,7 @@ void ScContentTree::InitRoot( ScContentId nType )
 
     if ( nRootType != ScContentId::ROOT && nRootType != nType )              // ausgeblendet ?
     {
-        pRootNodes[nType] = NULL;
+        pRootNodes[nType] = nullptr;
         return;
     }
 
@@ -230,7 +230,7 @@ void ScContentTree::InitRoot( ScContentId nType )
     OUString aName( ScResId( SCSTR_CONTENT_ROOT + (int)nType ) );
     // wieder an die richtige Position:
     sal_uInt16 nPos = nRootType != ScContentId::ROOT ? 0 : pPosList[nType]-1;
-    SvTreeListEntry* pNew = InsertEntry( aName, rImage, rImage, NULL, false, nPos );
+    SvTreeListEntry* pNew = InsertEntry( aName, rImage, rImage, nullptr, false, nPos );
 
     pRootNodes[nType] = pNew;
 }
@@ -454,7 +454,7 @@ void ScContentTree::KeyInput( const KeyEvent& rKEvt )
                             Expand( pEntry );
                     }
                     else
-                        ContentDoubleClickHdl(0);      // select content as if double clicked
+                        ContentDoubleClickHdl(nullptr);      // select content as if double clicked
                 }
 
                 bUsed = true;
@@ -488,18 +488,18 @@ void ScContentTree::KeyInput( const KeyEvent& rKEvt )
                     {
                         vcl::Window* pWindow=reinterpret_cast<vcl::Window*>(GetParent(pEntry));
                         ScNavigatorDlg* pScNavigatorDlg = static_cast<ScNavigatorDlg*>(pWindow);
-                        ScTabViewShell* pScTabViewShell = NULL;
-                        ScDrawView* pScDrawView = NULL;
-                        if (pScNavigatorDlg!=NULL)
+                        ScTabViewShell* pScTabViewShell = nullptr;
+                        ScDrawView* pScDrawView = nullptr;
+                        if (pScNavigatorDlg!=nullptr)
                               pScTabViewShell = ScNavigatorDlg::GetTabViewShell();
-                        if(pScTabViewShell !=NULL)
+                        if(pScTabViewShell !=nullptr)
                               pScDrawView =pScTabViewShell->GetViewData().GetScDrawView();
-                        if(pScDrawView!=NULL)
+                        if(pScDrawView!=nullptr)
                          {
                             pScDrawView->SelectCurrentViewObject(aText );
                             bool bHasMakredObject = false;
                             SvTreeListEntry* pParent = pRootNodes[nType];
-                            SvTreeListEntry* pBeginEntry = NULL;
+                            SvTreeListEntry* pBeginEntry = nullptr;
                             if( pParent )
                                 pBeginEntry = FirstChild(pParent);
                             while( pBeginEntry )
@@ -570,7 +570,7 @@ void ScContentTree::Command( const CommandEvent& rCEvt )
             //  den StarView MouseMove-Handler, der Command() aufruft, umbringen.
             //  Deshalb Drag&Drop asynchron:
 
-            Application::PostUserEvent( LINK( this, ScContentTree, ExecDragHdl ), NULL, true );
+            Application::PostUserEvent( LINK( this, ScContentTree, ExecDragHdl ), nullptr, true );
 
             bDone = true;
             break;
@@ -722,7 +722,7 @@ ScDocument* ScContentTree::GetSourceDocument()
             return &pSh->GetDocument();
 
     }
-    return NULL;
+    return nullptr;
 }
 
 //Move along and draw "*" sign .
@@ -741,8 +741,8 @@ void ScContentTree::ObjectFresh( ScContentId nType, SvTreeListEntry* pEntry )
         if( pEntry )
         {
             SvTreeListEntry* pParent = pRootNodes[nType];
-            SvTreeListEntry* pBeginEntry = NULL;
-            SvTreeListEntry* pOldEntry = NULL;
+            SvTreeListEntry* pBeginEntry = nullptr;
+            SvTreeListEntry* pOldEntry = nullptr;
             if( pParent )
                 pBeginEntry = FirstChild(pParent);
             while( pBeginEntry )
@@ -964,19 +964,19 @@ void ScContentTree::GetDrawNames( ScContentId nType )
                                     SvTreeListEntry* pChild=InsertEntry( aName, pParent );
                                     if(pChild)
                                         pChild->SetMarked(false);
-                                    vcl::Window* pWindow=NULL;
-                                    ScTabViewShell* pScTabViewShell=NULL;
-                                    ScDrawView* pScDrawView=NULL;
-                                    ScNavigatorDlg* pScNavigatorDlg=NULL;
+                                    vcl::Window* pWindow=nullptr;
+                                    ScTabViewShell* pScTabViewShell=nullptr;
+                                    ScDrawView* pScDrawView=nullptr;
+                                    ScNavigatorDlg* pScNavigatorDlg=nullptr;
                                     if(pChild)
                                          pWindow=reinterpret_cast<vcl::Window*>(GetParent(pChild));
                                     if(pWindow)
                                             pScNavigatorDlg = static_cast<ScNavigatorDlg*>(pWindow);
-                                    if (pScNavigatorDlg!=NULL)
+                                    if (pScNavigatorDlg!=nullptr)
                                           pScTabViewShell = ScNavigatorDlg::GetTabViewShell();
-                                    if(pScTabViewShell !=NULL)
+                                    if(pScTabViewShell !=nullptr)
                                           pScDrawView =pScTabViewShell->GetViewData().GetScDrawView();
-                                    if(pScDrawView!=NULL)
+                                    if(pScDrawView!=nullptr)
                                      {
                                          bool bMarked =pScDrawView->GetObjectIsMarked(pObject);
                                          pChild->SetMarked( bMarked );
@@ -1038,7 +1038,7 @@ const ScAreaLink* ScContentTree::GetLink( sal_uLong nIndex )
 {
     ScDocument* pDoc = GetSourceDocument();
     if (!pDoc)
-        return NULL;
+        return nullptr;
 
     sal_uLong nFound = 0;
     sfx2::LinkManager* pLinkManager = pDoc->GetLinkManager();
@@ -1057,7 +1057,7 @@ const ScAreaLink* ScContentTree::GetLink( sal_uLong nIndex )
     }
 
     OSL_FAIL("link not found");
-    return NULL;
+    return nullptr;
 }
 
 static OUString lcl_NoteString( const ScPostIt& rNote )
@@ -1249,7 +1249,7 @@ static void lcl_DoDragObject( ScDocShell* pSrcShell, const OUString& rName, ScCo
             pTransferObj->SetDragSourceObj( pObject, nTab );
             pTransferObj->SetDragSourceFlags( SC_DROP_NAVIGATOR );
 
-            SC_MOD()->SetDragObject( NULL, pTransferObj );
+            SC_MOD()->SetDragObject( nullptr, pTransferObj );
             pWin->ReleaseMouse();
             pTransferObj->StartDrag( pWin, DND_ACTION_COPYMOVE | DND_ACTION_LINK );
         }
@@ -1283,7 +1283,7 @@ static void lcl_DoDragCells( ScDocShell* pSrcShell, const ScRange& rRange, sal_u
         pTransferObj->SetDragSource( pSrcShell, aMark );
         pTransferObj->SetDragSourceFlags( nFlags );
 
-        SC_MOD()->SetDragObject( pTransferObj, NULL );      // for internal D&D
+        SC_MOD()->SetDragObject( pTransferObj, nullptr );      // for internal D&D
         pWin->ReleaseMouse();
         pTransferObj->StartDrag( pWin, DND_ACTION_COPYMOVE | DND_ACTION_LINK );
     }
@@ -1291,7 +1291,7 @@ static void lcl_DoDragCells( ScDocShell* pSrcShell, const ScRange& rRange, sal_u
 
 void ScContentTree::DoDrag()
 {
-    ScDocumentLoader* pDocLoader = NULL;
+    ScDocumentLoader* pDocLoader = nullptr;
     bIsInDrag = true;
 
     ScModule* pScMod = SC_MOD();
@@ -1309,7 +1309,7 @@ void ScContentTree::DoDrag()
     {
         OUString aText( GetEntryText( pEntry ) );
 
-        ScDocument* pLocalDoc = NULL;                   // fuer URL-Drop
+        ScDocument* pLocalDoc = nullptr;                   // fuer URL-Drop
         OUString aDocName;
         if (bHiddenDoc)
             aDocName = aHiddenName;
@@ -1375,7 +1375,7 @@ void ScContentTree::DoDrag()
                 break;
             case SC_DROPMODE_COPY:
                 {
-                    ScDocShell* pSrcShell = NULL;
+                    ScDocShell* pSrcShell = nullptr;
                     if ( bHiddenDoc )
                     {
                         OUString aFilter, aOptions;
@@ -1468,7 +1468,7 @@ bool ScContentTree::LoadFile( const OUString& rUrl )
 
         Refresh();                      // Inhalte aus geladenem Dokument holen
 
-        pHiddenDocument = NULL;
+        pHiddenDocument = nullptr;
 
         pParentWindow->GetDocNames( &aHiddenTitle );            // Liste fuellen
     }
@@ -1639,7 +1639,7 @@ void ScContentTree::ApplyNavigatorSettings()
                 // select
                 if( nRootSel == nEntry )
                 {
-                    SvTreeListEntry* pEntry = NULL;
+                    SvTreeListEntry* pEntry = nullptr;
                     if( bExp && (nChildSel != SC_CONTENT_NOCHILD) )
                         pEntry = GetEntry( pRootNodes[ nEntry ], nChildSel );
                     Select( pEntry ? pEntry : pRootNodes[ nEntry ] );
diff --git a/sc/source/ui/navipi/navipi.cxx b/sc/source/ui/navipi/navipi.cxx
index 0b564f1c93bd..2c1f1608cd7f 100644
--- a/sc/source/ui/navipi/navipi.cxx
+++ b/sc/source/ui/navipi/navipi.cxx
@@ -564,8 +564,8 @@ ScNavigatorDlg::ScNavigatorDlg( SfxBindings* pB, SfxChildWindowContext* pCW, vcl
         aStrDisplay  ( ScResId( STR_DISPLAY ) ),
         aStrActiveWin( ScResId( STR_ACTIVEWIN ) ),
         pContextWin ( pCW ),
-        pMarkArea   ( NULL ),
-        pViewData   ( NULL ),
+        pMarkArea   ( nullptr ),
+        pViewData   ( nullptr ),
         nListModeHeight( 0 ),
         nInitListHeight( 0 ),
         eListMode   ( NAV_LMODE_NONE ),
@@ -662,7 +662,7 @@ ScNavigatorDlg::ScNavigatorDlg( SfxBindings* pB, SfxChildWindowContext* pCW, vcl
     aTbxCmd->SetAccessibleRelationLabeledBy(aTbxCmd.get());
     aLbDocuments->SetAccessibleName(aStrActiveWin);
 
-    if (pContextWin == NULL)
+    if (pContextWin == nullptr)
     {
         // When the context window is missing then the navigator is
         // displayed in the sidebar and has the whole deck to fill.
@@ -706,7 +706,7 @@ void ScNavigatorDlg::dispose()
 
 void ScNavigatorDlg::Resizing( Size& rNewSize )  // Size = Outputsize?
 {
-    FloatingWindow* pFloat = pContextWin!=NULL ? pContextWin->GetFloatingWindow() : NULL;
+    FloatingWindow* pFloat = pContextWin!=nullptr ? pContextWin->GetFloatingWindow() : nullptr;
     if ( pFloat )
     {
         Size aMinOut = pFloat->GetMinOutputSizePixel();
@@ -810,7 +810,7 @@ void ScNavigatorDlg::DoResize()
     aLbDocuments->SetSizePixel( aDocSize );
 
     bool bListMode = (eListMode != NAV_LMODE_NONE);
-    if (pContextWin != NULL)
+    if (pContextWin != nullptr)
     {
         FloatingWindow* pFloat = pContextWin->GetFloatingWindow();
         if ( pFloat && bListMode )
@@ -1001,15 +1001,15 @@ ScNavigatorSettings* ScNavigatorDlg::GetNavigatorSettings()
     //  be forgotten when the view is closed.
 
     ScTabViewShell* pViewSh = GetTabViewShell();
-    return pViewSh ? pViewSh->GetNavigatorSettings() : NULL;
+    return pViewSh ? pViewSh->GetNavigatorSettings() : nullptr;
 }
 
 bool ScNavigatorDlg::GetViewData()
 {
     ScTabViewShell* pViewSh = GetTabViewShell();
-    pViewData = pViewSh ? &pViewSh->GetViewData() : NULL;
+    pViewData = pViewSh ? &pViewSh->GetViewData() : nullptr;
 
-    return ( pViewData != NULL );
+    return ( pViewData != nullptr );
 }
 
 void ScNavigatorDlg::UpdateColumn( const SCCOL* pCol )
@@ -1107,7 +1107,7 @@ void ScNavigatorDlg::SetListMode( NavListMode eMode, bool bSetSize )
 
 void ScNavigatorDlg::ShowList( bool bShow, bool bSetSize )
 {
-    FloatingWindow* pFloat = pContextWin!=NULL ? pContextWin->GetFloatingWindow() : NULL;
+    FloatingWindow* pFloat = pContextWin!=nullptr ? pContextWin->GetFloatingWindow() : nullptr;
     Size aSize = GetParent()->GetOutputSizePixel();
 
     if ( bShow )
@@ -1142,7 +1142,7 @@ void ScNavigatorDlg::ShowList( bool bShow, bool bSetSize )
     else
     {
         SfxNavigator* pNav = dynamic_cast<SfxNavigator*>(GetParent());
-        if (pNav != NULL)
+        if (pNav != nullptr)
         {
             Size aFloating = pNav->GetFloatingSize();
             aFloating.Height() = aSize.Height();
@@ -1153,7 +1153,7 @@ void ScNavigatorDlg::ShowList( bool bShow, bool bSetSize )
 
 void ScNavigatorDlg::ShowScenarios( bool bShow, bool bSetSize )
 {
-    FloatingWindow* pFloat = pContextWin!=NULL ? pContextWin->GetFloatingWindow() : NULL;
+    FloatingWindow* pFloat = pContextWin!=nullptr ? pContextWin->GetFloatingWindow() : nullptr;
     Size aSize = GetParent()->GetOutputSizePixel();
 
     if ( bShow )
diff --git a/sc/source/ui/navipi/scenwnd.cxx b/sc/source/ui/navipi/scenwnd.cxx
index 322a154c9965..501c2c1107d7 100644
--- a/sc/source/ui/navipi/scenwnd.cxx
+++ b/sc/source/ui/navipi/scenwnd.cxx
@@ -161,7 +161,7 @@ bool ScScenarioListBox::Notify( NotifyEvent& rNEvt )
 const ScScenarioListBox::ScenarioEntry* ScScenarioListBox::GetSelectedEntry() const
 {
     size_t nPos = GetSelectEntryPos();
-    return (nPos < maEntries.size()) ? &maEntries[ nPos ] : 0;
+    return (nPos < maEntries.size()) ? &maEntries[ nPos ] : nullptr;
 }
 
 void ScScenarioListBox::ExecuteScenarioSlot( sal_uInt16 nSlotId )
diff --git a/sc/source/ui/optdlg/tpdefaults.cxx b/sc/source/ui/optdlg/tpdefaults.cxx
index 078829c159b6..b854ae1f0f07 100644
--- a/sc/source/ui/optdlg/tpdefaults.cxx
+++ b/sc/source/ui/optdlg/tpdefaults.cxx
@@ -68,7 +68,7 @@ bool ScTpDefaultsOptions::FillItemSet(SfxItemSet *rCoreSet)
 void ScTpDefaultsOptions::Reset(const SfxItemSet* rCoreSet)
 {
     ScDefaultsOptions aOpt;
-    const SfxPoolItem* pItem = NULL;
+    const SfxPoolItem* pItem = nullptr;
 
     if(SfxItemState::SET == rCoreSet->GetItemState(SID_SCDEFAULTSOPTIONS, false , &pItem))
         aOpt = static_cast<const ScTpDefaultsItem*>(pItem)->GetDefaultsOptions();
diff --git a/sc/source/ui/optdlg/tpformula.cxx b/sc/source/ui/optdlg/tpformula.cxx
index 789555d2ad0a..70f913983fd2 100644
--- a/sc/source/ui/optdlg/tpformula.cxx
+++ b/sc/source/ui/optdlg/tpformula.cxx
@@ -308,7 +308,7 @@ bool ScTpFormulaOptions::FillItemSet(SfxItemSet* rCoreSet)
 void ScTpFormulaOptions::Reset(const SfxItemSet* rCoreSet)
 {
     ScFormulaOptions aOpt;
-    const SfxPoolItem* pItem = NULL;
+    const SfxPoolItem* pItem = nullptr;
 
     if(SfxItemState::SET == rCoreSet->GetItemState(SID_SCFORMULAOPTIONS, false , &pItem))
         aOpt = static_cast<const ScTpFormulaItem*>(pItem)->GetFormulaOptions();
diff --git a/sc/source/ui/optdlg/tpusrlst.cxx b/sc/source/ui/optdlg/tpusrlst.cxx
index 47db07a3a697..9a4ff48aeea8 100644
--- a/sc/source/ui/optdlg/tpusrlst.cxx
+++ b/sc/source/ui/optdlg/tpusrlst.cxx
@@ -55,9 +55,9 @@ ScTpUserLists::ScTpUserLists( vcl::Window*               pParent,
         aStrCopyFrom    ( ScGlobal::GetRscString( STR_COPYFROM ) ),
         aStrCopyErr     ( ScGlobal::GetRscString( STR_COPYERR ) ),
         nWhichUserLists ( GetWhich( SID_SCUSERLISTS ) ),
-        pUserLists      ( NULL ),
-        pDoc            ( NULL ),
-        pViewData       ( NULL ),
+        pUserLists      ( nullptr ),
+        pDoc            ( nullptr ),
+        pViewData       ( nullptr ),
         pRangeUtil      ( new ScRangeUtil ),
         bModifyMode     ( false ),
         bCancelMode     ( false ),
@@ -222,13 +222,13 @@ bool ScTpUserLists::FillItemSet( SfxItemSet* rCoreAttrs )
     ScUserList* pCoreList       = rUserListItem.GetUserList();
     bool        bDataModified   = false;
 
-    if ( (pUserLists == NULL) && (pCoreList == NULL) )
+    if ( (pUserLists == nullptr) && (pCoreList == nullptr) )
     {
         bDataModified = false;
     }
-    else if ( pUserLists != NULL )
+    else if ( pUserLists != nullptr )
     {
-        if ( pCoreList != NULL )
+        if ( pCoreList != nullptr )
             bDataModified = (*pUserLists != *pCoreList);
         else
             bDataModified = true;
diff --git a/sc/source/ui/optdlg/tpview.cxx b/sc/source/ui/optdlg/tpview.cxx
index 740702a5d2e2..64550727f236 100644
--- a/sc/source/ui/optdlg/tpview.cxx
+++ b/sc/source/ui/optdlg/tpview.cxx
@@ -40,7 +40,7 @@
 ScTpContentOptions::ScTpContentOptions( vcl::Window*         pParent,
                              const SfxItemSet&  rArgSet ) :
     SfxTabPage(pParent, "TpViewPage", "modules/scalc/ui/tpviewpage.ui", &rArgSet),
-    pLocalOptions(0)
+    pLocalOptions(nullptr)
 {
     get(pGridLB,"grid");
     get(pColorFT,"color_label");
@@ -373,7 +373,7 @@ ScTpLayoutOptions::ScTpLayoutOptions(   vcl::Window* pParent,
     SfxTabPage( pParent, "ScGeneralPage",
                 "modules/scalc/ui/scgeneralpage.ui", &rArgSet),
     aUnitArr(               ScResId(SCSTR_UNIT           )),
-    pDoc(NULL)
+    pDoc(nullptr)
 {
     get( m_pUnitLB, "unitlb");
     get( m_pTabMF, "tabmf");
@@ -458,7 +458,7 @@ VclPtr<SfxTabPage> ScTpLayoutOptions::Create( vcl::Window*          pParent,
     VclPtrInstance<ScTpLayoutOptions> pNew( pParent, *rCoreSet );
     ScDocShell* pDocSh = dynamic_cast< ScDocShell *>( SfxObjectShell::Current() );
 
-    if(pDocSh!=NULL)
+    if(pDocSh!=nullptr)
         pNew->SetDocument(&pDocSh->GetDocument());
     return pNew;
 }
@@ -596,7 +596,7 @@ void    ScTpLayoutOptions::Reset( const SfxItemSet* rCoreSet )
 
     ScLkUpdMode nSet=LM_UNKNOWN;
 
-    if(pDoc!=NULL)
+    if(pDoc!=nullptr)
     {
         nSet=pDoc->GetLinkMode();
     }
diff --git a/sc/source/ui/pagedlg/areasdlg.cxx b/sc/source/ui/pagedlg/areasdlg.cxx
index ec32d3fd4c33..07e270c9b72f 100644
--- a/sc/source/ui/pagedlg/areasdlg.cxx
+++ b/sc/source/ui/pagedlg/areasdlg.cxx
@@ -93,8 +93,8 @@ static void printAddressFlags(sal_uInt16 nFlag)
 ScPrintAreasDlg::ScPrintAreasDlg( SfxBindings* pB, SfxChildWindow* pCW, vcl::Window* pParent )
     : ScAnyRefDlg(pB, pCW, pParent, "PrintAreasDialog", "modules/scalc/ui/printareasdialog.ui")
     , bDlgLostFocus(false)
-    , pDoc(NULL)
-    , pViewData(NULL)
+    , pDoc(nullptr)
+    , pViewData(nullptr)
     , nCurTab(0)
 {
     get(pLbPrintArea,"lbprintarea");
@@ -367,11 +367,11 @@ bool ScPrintAreasDlg::Impl_CheckRefStrings()
 
     bool bRepeatRowOk = aStrRepeatRow.isEmpty();
     if ( !bRepeatRowOk )
-        bRepeatRowOk = lcl_CheckRepeatString(aStrRepeatRow, pDoc, true, NULL);
+        bRepeatRowOk = lcl_CheckRepeatString(aStrRepeatRow, pDoc, true, nullptr);
 
     bool bRepeatColOk = aStrRepeatCol.isEmpty();
     if ( !bRepeatColOk )
-        bRepeatColOk = lcl_CheckRepeatString(aStrRepeatCol, pDoc, false, NULL);
+        bRepeatColOk = lcl_CheckRepeatString(aStrRepeatCol, pDoc, false, nullptr);
 
     // Fehlermeldungen
 
@@ -379,7 +379,7 @@ bool ScPrintAreasDlg::Impl_CheckRefStrings()
 
     if ( !bOk )
     {
-        Edit* pEd = NULL;
+        Edit* pEd = nullptr;
 
              if ( !bPrintAreaOk ) pEd = pEdPrintArea;
         else if ( !bRepeatRowOk ) pEd = pEdRepeatRow;
@@ -543,7 +543,7 @@ IMPL_LINK_TYPED( ScPrintAreasDlg, Impl_SelectHdl, ListBox&, rLb, void )
 {
     ListBox* pLb = &rLb;
     const sal_Int32 nSelPos = pLb->GetSelectEntryPos();
-    Edit* pEd = NULL;
+    Edit* pEd = nullptr;
 
     // list box positions of specific entries, default to "repeat row/column" list boxes
     sal_Int32 nAllSheetPos = SC_AREASDLG_RR_NONE;
@@ -576,7 +576,7 @@ IMPL_LINK_TYPED( ScPrintAreasDlg, Impl_SelectHdl, ListBox&, rLb, void )
 
 IMPL_LINK_TYPED( ScPrintAreasDlg, Impl_ModifyHdl, Edit&, rEd, void )
 {
-    ListBox* pLb = NULL;
+    ListBox* pLb = nullptr;
 
     // list box positions of specific entries, default to "repeat row/column" list boxes
     sal_Int32 nUserDefPos = SC_AREASDLG_RR_USER;
diff --git a/sc/source/ui/pagedlg/hfedtdlg.cxx b/sc/source/ui/pagedlg/hfedtdlg.cxx
index b2383f2b7943..14ddddbf1df4 100644
--- a/sc/source/ui/pagedlg/hfedtdlg.cxx
+++ b/sc/source/ui/pagedlg/hfedtdlg.cxx
@@ -64,8 +64,8 @@ ScHFEditHeaderDlg::ScHFEditHeaderDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "HeaderDialog", "modules/scalc/ui/headerdialog.ui" )
 {
-    AddTabPage( "headerright", ScRightHeaderEditPage::Create, NULL );
-    AddTabPage( "headerleft", ScLeftHeaderEditPage::Create, NULL );
+    AddTabPage( "headerright", ScRightHeaderEditPage::Create, nullptr );
+    AddTabPage( "headerleft", ScLeftHeaderEditPage::Create, nullptr );
 }
 
 ScHFEditFooterDlg::ScHFEditFooterDlg( SfxViewFrame*     pFrameP,
@@ -75,8 +75,8 @@ ScHFEditFooterDlg::ScHFEditFooterDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "FooterDialog", "modules/scalc/ui/footerdialog.ui" )
 {
-    AddTabPage( "footerright", ScRightFooterEditPage::Create, NULL );
-    AddTabPage( "footerleft", ScLeftFooterEditPage::Create, NULL );
+    AddTabPage( "footerright", ScRightFooterEditPage::Create, nullptr );
+    AddTabPage( "footerleft", ScLeftFooterEditPage::Create, nullptr );
 }
 
 ScHFEditLeftHeaderDlg::ScHFEditLeftHeaderDlg( SfxViewFrame*     pFrameP,
@@ -86,7 +86,7 @@ ScHFEditLeftHeaderDlg::ScHFEditLeftHeaderDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "LeftHeaderDialog", "modules/scalc/ui/leftheaderdialog.ui" )
 {
-    AddTabPage( "headerleft", ScLeftHeaderEditPage::Create, NULL );
+    AddTabPage( "headerleft", ScLeftHeaderEditPage::Create, nullptr );
 }
 
 ScHFEditRightHeaderDlg::ScHFEditRightHeaderDlg( SfxViewFrame*     pFrameP,
@@ -96,7 +96,7 @@ ScHFEditRightHeaderDlg::ScHFEditRightHeaderDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "RightHeaderDialog", "modules/scalc/ui/rightheaderdialog.ui" )
 {
-    AddTabPage( "headerright", ScRightHeaderEditPage::Create, NULL );
+    AddTabPage( "headerright", ScRightHeaderEditPage::Create, nullptr );
 }
 
 ScHFEditLeftFooterDlg::ScHFEditLeftFooterDlg( SfxViewFrame*     pFrameP,
@@ -106,7 +106,7 @@ ScHFEditLeftFooterDlg::ScHFEditLeftFooterDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "LeftFooterDialog", "modules/scalc/ui/leftfooterdialog.ui" )
 {
-    AddTabPage( "footerleft", ScLeftFooterEditPage::Create, NULL );
+    AddTabPage( "footerleft", ScLeftFooterEditPage::Create, nullptr );
 }
 
 ScHFEditRightFooterDlg::ScHFEditRightFooterDlg( SfxViewFrame*     pFrameP,
@@ -116,7 +116,7 @@ ScHFEditRightFooterDlg::ScHFEditRightFooterDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "RightFooterDialog", "modules/scalc/ui/rightfooterdialog.ui" )
 {
-    AddTabPage( "footerright", ScRightFooterEditPage::Create, NULL );
+    AddTabPage( "footerright", ScRightFooterEditPage::Create, nullptr );
 }
 
 ScHFEditSharedHeaderDlg::ScHFEditSharedHeaderDlg( SfxViewFrame*     pFrameP,
@@ -126,9 +126,9 @@ ScHFEditSharedHeaderDlg::ScHFEditSharedHeaderDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "SharedHeaderDialog", "modules/scalc/ui/sharedheaderdialog.ui" )
 {
-    AddTabPage( "header", ScRightHeaderEditPage::Create, NULL );
-    AddTabPage( "footerright", ScRightFooterEditPage::Create, NULL );
-    AddTabPage( "footerleft", ScLeftFooterEditPage::Create,  NULL );
+    AddTabPage( "header", ScRightHeaderEditPage::Create, nullptr );
+    AddTabPage( "footerright", ScRightFooterEditPage::Create, nullptr );
+    AddTabPage( "footerleft", ScLeftFooterEditPage::Create,  nullptr );
 }
 
 ScHFEditSharedFooterDlg::ScHFEditSharedFooterDlg( SfxViewFrame*     pFrameP,
@@ -138,9 +138,9 @@ ScHFEditSharedFooterDlg::ScHFEditSharedFooterDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "SharedFooterDialog", "modules/scalc/ui/sharedfooterdialog.ui" )
 {
-    AddTabPage( "headerright", ScRightHeaderEditPage::Create, NULL );
-    AddTabPage( "headerleft", ScLeftHeaderEditPage::Create, NULL );
-    AddTabPage( "footer", ScRightFooterEditPage::Create, NULL );
+    AddTabPage( "headerright", ScRightHeaderEditPage::Create, nullptr );
+    AddTabPage( "headerleft", ScLeftHeaderEditPage::Create, nullptr );
+    AddTabPage( "footer", ScRightFooterEditPage::Create, nullptr );
 }
 
 ScHFEditAllDlg::ScHFEditAllDlg( SfxViewFrame*     pFrameP,
@@ -150,10 +150,10 @@ ScHFEditAllDlg::ScHFEditAllDlg( SfxViewFrame*     pFrameP,
     :   ScHFEditDlg( pFrameP, pParent, rCoreSet, rPageStyle,
         "AllHeaderFooterDialog", "modules/scalc/ui/allheaderfooterdialog.ui" )
 {
-    AddTabPage( "headerright", ScRightHeaderEditPage::Create, NULL );
-    AddTabPage( "headerleft", ScLeftHeaderEditPage::Create, NULL );
-    AddTabPage( "footerright", ScRightFooterEditPage::Create, NULL );
-    AddTabPage( "footerleft", ScLeftFooterEditPage::Create, NULL );
+    AddTabPage( "headerright", ScRightHeaderEditPage::Create, nullptr );
+    AddTabPage( "headerleft", ScLeftHeaderEditPage::Create, nullptr );
+    AddTabPage( "footerright", ScRightFooterEditPage::Create, nullptr );
+    AddTabPage( "footerleft", ScLeftFooterEditPage::Create, nullptr );
 }
 
 ScHFEditActiveDlg::ScHFEditActiveDlg( SfxViewFrame*     pFrameP,
@@ -172,8 +172,8 @@ ScHFEditActiveDlg::ScHFEditActiveDlg( SfxViewFrame*     pFrameP,
 
     if ( bRightPage )
     {
-        AddTabPage( "header", ScRightHeaderEditPage::Create, NULL );
-        AddTabPage( "footer", ScRightFooterEditPage::Create, NULL );
+        AddTabPage( "header", ScRightHeaderEditPage::Create, nullptr );
+        AddTabPage( "footer", ScRightFooterEditPage::Create, nullptr );
     }
     else
     {
@@ -181,15 +181,15 @@ ScHFEditActiveDlg::ScHFEditActiveDlg( SfxViewFrame*     pFrameP,
 
         bool bShareHeader = IS_SHARE_HEADER(rCoreSet);
         if ( bShareHeader )
-            AddTabPage( "header", ScRightHeaderEditPage::Create, NULL );
+            AddTabPage( "header", ScRightHeaderEditPage::Create, nullptr );
         else
-            AddTabPage( "header", ScLeftHeaderEditPage::Create, NULL );
+            AddTabPage( "header", ScLeftHeaderEditPage::Create, nullptr );
 
         bool bShareFooter = IS_SHARE_FOOTER(rCoreSet);
         if ( bShareFooter )
-            AddTabPage( "footer", ScRightFooterEditPage::Create, NULL );
+            AddTabPage( "footer", ScRightFooterEditPage::Create, nullptr );
         else
-            AddTabPage( "footer", ScLeftFooterEditPage::Create, NULL );
+            AddTabPage( "footer", ScLeftFooterEditPage::Create, nullptr );
     }
 }
 
diff --git a/sc/source/ui/pagedlg/scuitphfedit.cxx b/sc/source/ui/pagedlg/scuitphfedit.cxx
index d33cea554748..2b2192f71af8 100644
--- a/sc/source/ui/pagedlg/scuitphfedit.cxx
+++ b/sc/source/ui/pagedlg/scuitphfedit.cxx
@@ -51,7 +51,7 @@
 
 // STATIC DATA -----------------------------------------------------------
 
-static VclPtr<ScEditWindow> pActiveEdWnd = NULL;
+static VclPtr<ScEditWindow> pActiveEdWnd = nullptr;
 
 // class ScHFEditPage
 
@@ -193,7 +193,7 @@ void ScHFEditPage::SetNumType(SvxNumType eNumType)
 
 void ScHFEditPage::Reset( const SfxItemSet* rCoreSet )
 {
-    const SfxPoolItem* pItem = NULL;
+    const SfxPoolItem* pItem = nullptr;
     if ( rCoreSet->HasItem(nWhich, &pItem) )
     {
         const ScPageHFItem& rItem = static_cast<const ScPageHFItem&>(*pItem);
@@ -253,8 +253,8 @@ void ScHFEditPage::InitPreDefinedList()
 {
     SvtUserOptions aUserOpt;
 
-    Color* pTxtColour = NULL;
-    Color* pFldColour = NULL;
+    Color* pTxtColour = nullptr;
+    Color* pFldColour = nullptr;
 
     // Get the all field values at the outset.
     OUString aPageFieldValue(m_pWndLeft->GetEditEngine()->CalcFieldValue(SvxFieldItem(SvxPageField(), EE_FEATURE_FIELD), 0,0, pTxtColour, pFldColour));
diff --git a/sc/source/ui/pagedlg/tphf.cxx b/sc/source/ui/pagedlg/tphf.cxx
index 716e5238debd..614da79e5395 100644
--- a/sc/source/ui/pagedlg/tphf.cxx
+++ b/sc/source/ui/pagedlg/tphf.cxx
@@ -47,7 +47,7 @@ ScHFPage::ScHFPage( vcl::Window* pParent, const SfxItemSet& rSet, sal_uInt16 nSe
                        ATTR_PAGE_HEADERLEFT, ATTR_PAGE_FOOTERRIGHT,
                        ATTR_PAGE, ATTR_PAGE, 0 ),
         nPageUsage  ( (sal_uInt16)SVX_PAGE_ALL ),
-        pStyleDlg   ( NULL )
+        pStyleDlg   ( nullptr )
 {
     get(m_pBtnEdit, "buttonEdit");
 
@@ -91,7 +91,7 @@ void ScHFPage::dispose()
 void ScHFPage::Reset( const SfxItemSet* rSet )
 {
     SvxHFPage::Reset( rSet );
-    TurnOnHdl( 0 );
+    TurnOnHdl( nullptr );
 }
 
 bool ScHFPage::FillItemSet( SfxItemSet* rOutSet )
@@ -163,7 +163,7 @@ IMPL_LINK_NOARG_TYPED(ScHFPage, BtnHdl, Button*, void)
     // the GrabFocus from the Edit-Dialog under OS/2 doesn't work.(Bug #41805#).
     // With the new StarView, this workaround should be again considered!
 
-    Application::PostUserEvent( LINK( this, ScHFPage, HFEditHdl ), NULL, true );
+    Application::PostUserEvent( LINK( this, ScHFPage, HFEditHdl ), nullptr, true );
 }
 
 IMPL_LINK_NOARG_TYPED(ScHFPage, HFEditHdl, void*, void)
@@ -207,17 +207,17 @@ IMPL_LINK_NOARG_TYPED(ScHFPage, HFEditHdl, void*, void)
         {
             aText = ScGlobal::GetRscString( STR_PAGEHEADER );
             if ( bRightPage )
-                pDlg->SetTabPage( ScRightHeaderEditPage::Create( pDlg->get_content_area(), &aDataSet ), NULL, nSettingsId );
+                pDlg->SetTabPage( ScRightHeaderEditPage::Create( pDlg->get_content_area(), &aDataSet ), nullptr, nSettingsId );
             else
-                pDlg->SetTabPage( ScLeftHeaderEditPage::Create( pDlg->get_content_area(), &aDataSet ), NULL, nSettingsId );
+                pDlg->SetTabPage( ScLeftHeaderEditPage::Create( pDlg->get_content_area(), &aDataSet ), nullptr, nSettingsId );
         }
         else
         {
             aText = ScGlobal::GetRscString( STR_PAGEFOOTER );
             if ( bRightPage )
-                pDlg->SetTabPage( ScRightFooterEditPage::Create( pDlg->get_content_area(), &aDataSet ), NULL, nSettingsId );
+                pDlg->SetTabPage( ScRightFooterEditPage::Create( pDlg->get_content_area(), &aDataSet ), nullptr, nSettingsId );
             else
-                pDlg->SetTabPage( ScLeftFooterEditPage::Create( pDlg->get_content_area(), &aDataSet ), NULL, nSettingsId );
+                pDlg->SetTabPage( ScLeftFooterEditPage::Create( pDlg->get_content_area(), &aDataSet ), nullptr, nSettingsId );
         }
 
         SvxNumType eNumType = static_cast<const SvxPageItem&>(aDataSet.Get(ATTR_PAGE)).GetNumType();
diff --git a/sc/source/ui/pagedlg/tphfedit.cxx b/sc/source/ui/pagedlg/tphfedit.cxx
index 24932223c6f1..b5f8bf87e401 100644
--- a/sc/source/ui/pagedlg/tphfedit.cxx
+++ b/sc/source/ui/pagedlg/tphfedit.cxx
@@ -48,7 +48,7 @@
 #include <memory>
 
 // STATIC DATA -----------------------------------------------------------
-static VclPtr<ScEditWindow> pActiveEdWnd = NULL;
+static VclPtr<ScEditWindow> pActiveEdWnd = nullptr;
 
 ScEditWindow* GetScEditWindow ()
 {
@@ -72,7 +72,7 @@ static void lcl_GetFieldData( ScHeaderFieldData& rData )
 ScEditWindow::ScEditWindow( vcl::Window* pParent, WinBits nBits, ScEditWindowLocation eLoc )
     :   Control( pParent, nBits ),
     eLocation(eLoc),
-    pAcc(NULL)
+    pAcc(nullptr)
 {
     EnableRTL(false);
 
@@ -198,7 +198,7 @@ void ScEditWindow::SetCharAttributes()
 
     if ( pDocSh && pViewSh )
     {
-        if(pTabViewSh!=NULL) pTabViewSh->SetInFormatDialog(true);
+        if(pTabViewSh!=nullptr) pTabViewSh->SetInFormatDialog(true);
 
         SfxItemSet aSet( pEdView->GetAttribs() );
 
@@ -216,7 +216,7 @@ void ScEditWindow::SetCharAttributes()
             pEdView->SetAttribs( aSet );
         }
 
-        if(pTabViewSh!=NULL) pTabViewSh->SetInFormatDialog(false);
+        if(pTabViewSh!=nullptr) pTabViewSh->SetInFormatDialog(false);
     }
 }
 
@@ -291,7 +291,7 @@ void ScEditWindow::GetFocus()
         pAcc->GotFocus();
     }
     else
-        pAcc = NULL;
+        pAcc = nullptr;
 
     Control::GetFocus();
 }
@@ -304,7 +304,7 @@ void ScEditWindow::LoseFocus()
         pAcc->LostFocus();
     }
     else
-        pAcc = NULL;
+        pAcc = nullptr;
     Control::LoseFocus();
 }
 
@@ -338,7 +338,7 @@ css::uno::Reference< css::accessibility::XAccessible > ScEditWindow::CreateAcces
 }
 
 ScExtIButton::ScExtIButton(vcl::Window* pParent, WinBits nBits )
-    : ImageButton(pParent,nBits), pPopupMenu(NULL)
+    : ImageButton(pParent,nBits), pPopupMenu(nullptr)
 {
     nSelected=0;
     aIdle.SetPriority(SchedulerPriority::LOWEST);
@@ -382,7 +382,7 @@ void ScExtIButton::StartPopup()
     nSelected=0;
     aSelectedIdent.clear();
 
-    if(pPopupMenu!=NULL)
+    if(pPopupMenu!=nullptr)
     {
         SetPressed( true );
         EndSelection();
diff --git a/sc/source/ui/pagedlg/tptable.cxx b/sc/source/ui/pagedlg/tptable.cxx
index 7f308af58276..f7eddeb31822 100644
--- a/sc/source/ui/pagedlg/tptable.cxx
+++ b/sc/source/ui/pagedlg/tptable.cxx
@@ -176,7 +176,7 @@ void ScTablePage::Reset( const SfxItemSet* rCoreSet )
     sal_uInt16 nPage = GET_USHORT(SID_SCATTR_PAGE_FIRSTPAGENO,*rCoreSet);
     m_pBtnPageNo->Check( nPage != 0 );
     m_pEdPageNo->SetValue( (nPage != 0) ? nPage : 1 );
-    PageNoHdl( NULL );
+    PageNoHdl( nullptr );
 
     // object representation:
     m_pBtnCharts->Check( GET_SHOW( SID_SCATTR_PAGE_CHARTS, *rCoreSet ) );
@@ -226,7 +226,7 @@ void ScTablePage::Reset( const SfxItemSet* rCoreSet )
         m_pEdScaleAll->SetValue( 100 );
     }
 
-    PageDirHdl( NULL );
+    PageDirHdl( nullptr );
     ScaleHdl( *m_pLbScaleMode.get() );
 
     // remember for FillItemSet
diff --git a/sc/source/ui/sidebar/AlignmentPropertyPanel.cxx b/sc/source/ui/sidebar/AlignmentPropertyPanel.cxx
index 6f8a5e6a4e94..4def79cbe17b 100644
--- a/sc/source/ui/sidebar/AlignmentPropertyPanel.cxx
+++ b/sc/source/ui/sidebar/AlignmentPropertyPanel.cxx
@@ -232,12 +232,12 @@ VclPtr<vcl::Window> AlignmentPropertyPanel::Create (
     const css::uno::Reference<css::frame::XFrame>& rxFrame,
     SfxBindings* pBindings)
 {
-    if (pParent == NULL)
-        throw lang::IllegalArgumentException("no parent Window given to AlignmentPropertyPanel::Create", NULL, 0);
+    if (pParent == nullptr)
+        throw lang::IllegalArgumentException("no parent Window given to AlignmentPropertyPanel::Create", nullptr, 0);
     if ( ! rxFrame.is())
-        throw lang::IllegalArgumentException("no XFrame given to AlignmentPropertyPanel::Create", NULL, 1);
-    if (pBindings == NULL)
-        throw lang::IllegalArgumentException("no SfxBindings given to AlignmentPropertyPanel::Create", NULL, 2);
+        throw lang::IllegalArgumentException("no XFrame given to AlignmentPropertyPanel::Create", nullptr, 1);
+    if (pBindings == nullptr)
+        throw lang::IllegalArgumentException("no SfxBindings given to AlignmentPropertyPanel::Create", nullptr, 2);
 
     return  VclPtr<AlignmentPropertyPanel>::Create(
                         pParent, rxFrame, pBindings);
diff --git a/sc/source/ui/sidebar/CellAppearancePropertyPanel.cxx b/sc/source/ui/sidebar/CellAppearancePropertyPanel.cxx
index 7d44922d0c1e..f4f78f1ed37a 100644
--- a/sc/source/ui/sidebar/CellAppearancePropertyPanel.cxx
+++ b/sc/source/ui/sidebar/CellAppearancePropertyPanel.cxx
@@ -233,12 +233,12 @@ VclPtr<vcl::Window> CellAppearancePropertyPanel::Create (
     const css::uno::Reference<css::frame::XFrame>& rxFrame,
     SfxBindings* pBindings)
 {
-    if (pParent == NULL)
-        throw lang::IllegalArgumentException("no parent Window given to CellAppearancePropertyPanel::Create", NULL, 0);
+    if (pParent == nullptr)
+        throw lang::IllegalArgumentException("no parent Window given to CellAppearancePropertyPanel::Create", nullptr, 0);
     if ( ! rxFrame.is())
-        throw lang::IllegalArgumentException("no XFrame given to CellAppearancePropertyPanel::Create", NULL, 1);
-    if (pBindings == NULL)
-        throw lang::IllegalArgumentException("no SfxBindings given to CellAppearancePropertyPanel::Create", NULL, 2);
+        throw lang::IllegalArgumentException("no XFrame given to CellAppearancePropertyPanel::Create", nullptr, 1);
+    if (pBindings == nullptr)
+        throw lang::IllegalArgumentException("no SfxBindings given to CellAppearancePropertyPanel::Create", nullptr, 2);
 
     return VclPtr<CellAppearancePropertyPanel>::Create(
                         pParent, rxFrame, pBindings);
diff --git a/sc/source/ui/sidebar/CellBorderStyleControl.cxx b/sc/source/ui/sidebar/CellBorderStyleControl.cxx
index 7bcb01f535fd..866f47df3be2 100644
--- a/sc/source/ui/sidebar/CellBorderStyleControl.cxx
+++ b/sc/source/ui/sidebar/CellBorderStyleControl.cxx
@@ -50,7 +50,7 @@ CellBorderStyleControl::CellBorderStyleControl(vcl::Window* pParent, CellAppeara
     maTBBorder3(VclPtr<ToolBox>::Create(this, ScResId(TB_BORDER3))),
     maFL1(VclPtr<FixedLine>::Create(this, ScResId(FL_1))),
     maFL2(VclPtr<FixedLine>::Create(this, ScResId(FL_2))),
-    mpImageList(0)
+    mpImageList(nullptr)
 {
     Initialize();
     FreeResource();
@@ -150,8 +150,8 @@ IMPL_LINK_TYPED(CellBorderStyleControl, TB1SelectHdl, ToolBox*, pToolBox, void)
     sal_uInt16 nId = pToolBox->GetCurItemId();
     SvxBoxItem          aBorderOuter( SID_ATTR_BORDER_OUTER );
     SvxBoxInfoItem      aBorderInner( SID_ATTR_BORDER_INNER );
-    editeng::SvxBorderLine theDefLine(NULL, 1);
-    editeng::SvxBorderLine *pLeft = 0, *pRight = 0, *pTop = 0, *pBottom = 0;
+    editeng::SvxBorderLine theDefLine(nullptr, 1);
+    editeng::SvxBorderLine *pLeft = nullptr, *pRight = nullptr, *pTop = nullptr, *pBottom = nullptr;
     sal_uInt8 nValidFlags = 0;
     switch ( nId )
     {
@@ -160,8 +160,8 @@ IMPL_LINK_TYPED(CellBorderStyleControl, TB1SelectHdl, ToolBox*, pToolBox, void)
          nValidFlags |= FRM_VALID_ALL;
         SvxLineItem     aLineItem1( SID_ATTR_BORDER_DIAG_BLTR );
         SvxLineItem     aLineItem2( SID_ATTR_BORDER_DIAG_TLBR );
-        aLineItem1.SetLine( NULL );     //modify
-        aLineItem2.SetLine( NULL );     //modify
+        aLineItem1.SetLine( nullptr );     //modify
+        aLineItem2.SetLine( nullptr );     //modify
         mrCellAppearancePropertyPanel.GetBindings()->GetDispatcher()->Execute(SID_ATTR_BORDER_DIAG_BLTR, SfxCallMode::RECORD, &aLineItem1, 0L);
         mrCellAppearancePropertyPanel.GetBindings()->GetDispatcher()->Execute(SID_ATTR_BORDER_DIAG_TLBR, SfxCallMode::RECORD, &aLineItem2, 0L);
         }
@@ -209,11 +209,11 @@ IMPL_LINK_TYPED(CellBorderStyleControl, TB2SelectHdl, ToolBox *, pToolBox, void)
     {
         SvxBoxItem          aBorderOuter( SID_ATTR_BORDER_OUTER );
         SvxBoxInfoItem      aBorderInner( SID_ATTR_BORDER_INNER );
-        editeng::SvxBorderLine theDefLine(NULL, 1);
-        editeng::SvxBorderLine       *pLeft = 0,
-                            *pRight = 0,
-                            *pTop = 0,
-                            *pBottom = 0;
+        editeng::SvxBorderLine theDefLine(nullptr, 1);
+        editeng::SvxBorderLine       *pLeft = nullptr,
+                            *pRight = nullptr,
+                            *pTop = nullptr,
+                            *pBottom = nullptr;
         sal_uInt8               nValidFlags = 0;
         switch ( nId )
         {
@@ -269,14 +269,14 @@ IMPL_LINK_TYPED(CellBorderStyleControl, TB2SelectHdl, ToolBox *, pToolBox, void)
     }
     else if(nId == TBI_BORDER2_BLTR)
     {
-        editeng::SvxBorderLine aTmp( NULL, 1 );
+        editeng::SvxBorderLine aTmp( nullptr, 1 );
         SvxLineItem     aLineItem( SID_ATTR_BORDER_DIAG_BLTR );
         aLineItem.SetLine( &aTmp );
         mrCellAppearancePropertyPanel.GetBindings()->GetDispatcher()->Execute(SID_ATTR_BORDER_DIAG_BLTR, SfxCallMode::RECORD, &aLineItem, 0L);
     }
     else if(nId == TBI_BORDER2_TLBR)
     {
-        editeng::SvxBorderLine aTmp( NULL, 1 );
+        editeng::SvxBorderLine aTmp( nullptr, 1 );
         SvxLineItem     aLineItem( SID_ATTR_BORDER_DIAG_TLBR );
         aLineItem.SetLine( &aTmp );
         mrCellAppearancePropertyPanel.GetBindings()->GetDispatcher()->Execute(SID_ATTR_BORDER_DIAG_TLBR, SfxCallMode::RECORD, &aLineItem, 0L);
@@ -301,31 +301,31 @@ IMPL_LINK_TYPED(CellBorderStyleControl, TB3SelectHdl, ToolBox *, pToolBox, void)
     switch ( nId )
     {
     case TBI_BORDER3_S1:
-        pBottom.reset(new editeng::SvxBorderLine(NULL, DEF_LINE_WIDTH_2 ));
+        pBottom.reset(new editeng::SvxBorderLine(nullptr, DEF_LINE_WIDTH_2 ));
         nValidFlags |= FRM_VALID_BOTTOM;
         break;
     case TBI_BORDER3_S2:
-        pBottom.reset(new editeng::SvxBorderLine(NULL));
+        pBottom.reset(new editeng::SvxBorderLine(nullptr));
         pBottom->GuessLinesWidths(DOUBLE, DEF_LINE_WIDTH_0, DEF_LINE_WIDTH_0, DEF_LINE_WIDTH_1);
         nValidFlags |= FRM_VALID_BOTTOM;
         break;
     case TBI_BORDER3_S3:
-        pBottom.reset(new editeng::SvxBorderLine(NULL, DEF_LINE_WIDTH_2 ));
-        pTop.reset(new editeng::SvxBorderLine(NULL, 1));
+        pBottom.reset(new editeng::SvxBorderLine(nullptr, DEF_LINE_WIDTH_2 ));
+        pTop.reset(new editeng::SvxBorderLine(nullptr, 1));
         nValidFlags |= FRM_VALID_BOTTOM|FRM_VALID_TOP;
         break;
     case TBI_BORDER3_S4:
-        pBottom.reset(new editeng::SvxBorderLine(NULL));
+        pBottom.reset(new editeng::SvxBorderLine(nullptr));
         pBottom->GuessLinesWidths(DOUBLE, DEF_LINE_WIDTH_0, DEF_LINE_WIDTH_0, DEF_LINE_WIDTH_1);
-        pTop.reset(new editeng::SvxBorderLine(NULL, 1));
+        pTop.reset(new editeng::SvxBorderLine(nullptr, 1));
         nValidFlags |= FRM_VALID_BOTTOM|FRM_VALID_TOP;
         break;
     }
 
     aBorderOuter.SetLine( pTop.get(), SvxBoxItemLine::TOP );
     aBorderOuter.SetLine( pBottom.get(), SvxBoxItemLine::BOTTOM );
-    aBorderOuter.SetLine( NULL, SvxBoxItemLine::LEFT );
-    aBorderOuter.SetLine( NULL, SvxBoxItemLine::RIGHT );
+    aBorderOuter.SetLine( nullptr, SvxBoxItemLine::LEFT );
+    aBorderOuter.SetLine( nullptr, SvxBoxItemLine::RIGHT );
 
     aBorderInner.SetValid( SvxBoxInfoItemValidFlags::TOP,       0 != (nValidFlags&FRM_VALID_TOP ));
     aBorderInner.SetValid( SvxBoxInfoItemValidFlags::BOTTOM,    0 != (nValidFlags&FRM_VALID_BOTTOM ));
diff --git a/sc/source/ui/sidebar/CellBorderUpdater.cxx b/sc/source/ui/sidebar/CellBorderUpdater.cxx
index 83f1ee8a3d6f..a7c3d5c13684 100644
--- a/sc/source/ui/sidebar/CellBorderUpdater.cxx
+++ b/sc/source/ui/sidebar/CellBorderUpdater.cxx
@@ -53,7 +53,7 @@ void CellBorderUpdater::UpdateCellBorder(bool bTop, bool bBot, bool bLeft, bool
         else if( aBmpEx.IsTransparent() )
             pMskAcc = ( aMsk = aBmpEx.GetMask() ).AcquireWriteAccess();
         else
-            pMskAcc = NULL;
+            pMskAcc = nullptr;
 
         pBmpAcc->SetLineColor( ::Application::GetSettings().GetStyleSettings().GetFieldTextColor() ) ;
         pBmpAcc->SetFillColor( COL_BLACK);
diff --git a/sc/source/ui/sidebar/CellLineStyleValueSet.cxx b/sc/source/ui/sidebar/CellLineStyleValueSet.cxx
index dadc65d63f40..6040969e8de2 100644
--- a/sc/source/ui/sidebar/CellLineStyleValueSet.cxx
+++ b/sc/source/ui/sidebar/CellLineStyleValueSet.cxx
@@ -25,7 +25,7 @@ namespace sc { namespace sidebar {
 
 CellLineStyleValueSet::CellLineStyleValueSet( vcl::Window* pParent, const ResId& rResId)
 :   ValueSet( pParent, rResId ),
-    pVDev(NULL),
+    pVDev(nullptr),
     nSelItem(0)
 {
     SetColCount();
diff --git a/sc/source/ui/sidebar/NumberFormatPropertyPanel.cxx b/sc/source/ui/sidebar/NumberFormatPropertyPanel.cxx
index e3e7569eb0af..b4e89076cf1b 100644
--- a/sc/source/ui/sidebar/NumberFormatPropertyPanel.cxx
+++ b/sc/source/ui/sidebar/NumberFormatPropertyPanel.cxx
@@ -158,12 +158,12 @@ VclPtr<vcl::Window> NumberFormatPropertyPanel::Create (
     const css::uno::Reference<css::frame::XFrame>& rxFrame,
     SfxBindings* pBindings)
 {
-    if (pParent == NULL)
-        throw lang::IllegalArgumentException("no parent Window given to NumberFormatPropertyPanel::Create", NULL, 0);
+    if (pParent == nullptr)
+        throw lang::IllegalArgumentException("no parent Window given to NumberFormatPropertyPanel::Create", nullptr, 0);
     if ( ! rxFrame.is())
-        throw lang::IllegalArgumentException("no XFrame given to NumberFormatPropertyPanel::Create", NULL, 1);
-    if (pBindings == NULL)
-        throw lang::IllegalArgumentException("no SfxBindings given to NumberFormatPropertyPanel::Create", NULL, 2);
+        throw lang::IllegalArgumentException("no XFrame given to NumberFormatPropertyPanel::Create", nullptr, 1);
+    if (pBindings == nullptr)
+        throw lang::IllegalArgumentException("no SfxBindings given to NumberFormatPropertyPanel::Create", nullptr, 2);
 
     return  VclPtr<NumberFormatPropertyPanel>::Create(
                         pParent, rxFrame, pBindings);
diff --git a/sc/source/ui/sidebar/ScPanelFactory.cxx b/sc/source/ui/sidebar/ScPanelFactory.cxx
index 7857685aa1c2..1e634954aa77 100644
--- a/sc/source/ui/sidebar/ScPanelFactory.cxx
+++ b/sc/source/ui/sidebar/ScPanelFactory.cxx
@@ -71,18 +71,18 @@ Reference<ui::XUIElement> SAL_CALL ScPanelFactory::createUIElement (
         SfxBindings* pBindings = reinterpret_cast<SfxBindings*>(nBindingsValue);
 
         vcl::Window* pParentWindow = VCLUnoHelper::GetWindow(xParentWindow);
-        if ( ! xParentWindow.is() || pParentWindow==NULL)
+        if ( ! xParentWindow.is() || pParentWindow==nullptr)
             throw RuntimeException(
                 "PanelFactory::createUIElement called without ParentWindow",
-                NULL);
+                nullptr);
         if ( ! xFrame.is())
             throw RuntimeException(
                 "PanelFactory::createUIElement called without Frame",
-                NULL);
-        if (pBindings == NULL)
+                nullptr);
+        if (pBindings == nullptr)
             throw RuntimeException(
                 "PanelFactory::createUIElement called without SfxBindings",
-                NULL);
+                nullptr);
 
         sal_Int32 nMinimumSize = -1;
         VclPtr<vcl::Window> pPanel;
@@ -118,7 +118,7 @@ Reference<ui::XUIElement> SAL_CALL ScPanelFactory::createUIElement (
     {
         throw lang::WrappedTargetRuntimeException(
             OUString("ScPanelFactory::createUIElement exception"),
-            0, uno::makeAny(e));
+            nullptr, uno::makeAny(e));
     }
 
     return xElement;
diff --git a/sc/source/ui/undo/areasave.cxx b/sc/source/ui/undo/areasave.cxx
index b8678f376c1a..da50ea4ac2ed 100644
--- a/sc/source/ui/undo/areasave.cxx
+++ b/sc/source/ui/undo/areasave.cxx
@@ -134,7 +134,7 @@ static ScAreaLink* lcl_FindLink( const ::sfx2::SvBaseLinks& rLinks, const ScArea
             return static_cast<ScAreaLink*>(pBase);     // found
         }
     }
-    return NULL;    // not found
+    return nullptr;    // not found
 }
 
 void ScAreaLinkSaveCollection::Restore( ScDocument* pDoc )
@@ -163,7 +163,7 @@ void ScAreaLinkSaveCollection::Restore( ScDocument* pDoc )
 
 ScAreaLinkSaveCollection* ScAreaLinkSaveCollection::CreateFromDoc( const ScDocument* pDoc )
 {
-    ScAreaLinkSaveCollection* pColl = NULL;
+    ScAreaLinkSaveCollection* pColl = nullptr;
 
     sfx2::LinkManager* pLinkManager = const_cast<ScDocument*>(pDoc)->GetLinkManager();
     if (pLinkManager)
diff --git a/sc/source/ui/undo/refundo.cxx b/sc/source/ui/undo/refundo.cxx
index f782f7e7aa24..a7c209634fda 100644
--- a/sc/source/ui/undo/refundo.cxx
+++ b/sc/source/ui/undo/refundo.cxx
@@ -35,14 +35,14 @@
 #include <refupdatecontext.hxx>
 
 ScRefUndoData::ScRefUndoData( const ScDocument* pDoc ) :
-    pDBCollection(NULL),
-    pRangeName(NULL),
+    pDBCollection(nullptr),
+    pRangeName(nullptr),
     pPrintRanges(pDoc->CreatePrintRangeSaver()),
-    pDPCollection(NULL),
-    pDetOpList(NULL),
-    pChartListenerCollection(NULL),
-    pAreaLinks(NULL),
-    pUnoRefs(NULL)
+    pDPCollection(nullptr),
+    pDetOpList(nullptr),
+    pChartListenerCollection(nullptr),
+    pAreaLinks(nullptr),
+    pUnoRefs(nullptr)
 {
     const ScDBCollection* pOldDBColl = pDoc->GetDBCollection();
     if (pOldDBColl && !pOldDBColl->empty())
diff --git a/sc/source/ui/undo/undobase.cxx b/sc/source/ui/undo/undobase.cxx
index 909e78ca549c..127c8168f54c 100644
--- a/sc/source/ui/undo/undobase.cxx
+++ b/sc/source/ui/undo/undobase.cxx
@@ -44,7 +44,7 @@ TYPEINIT1(ScUndoWrapper,    SfxUndoAction);
 
 ScSimpleUndo::ScSimpleUndo( ScDocShell* pDocSh ) :
     pDocShell( pDocSh ),
-    pDetectiveUndo( NULL )
+    pDetectiveUndo( nullptr )
 {
 }
 
@@ -443,7 +443,7 @@ void ScMoveUndo::UndoRef()
 {
     ScDocument& rDoc = pDocShell->GetDocument();
     ScRange aRange(0,0,0, MAXCOL,MAXROW,pRefUndoDoc->GetTableCount()-1);
-    pRefUndoDoc->CopyToDocument( aRange, InsertDeleteFlags::FORMULA, false, &rDoc, NULL, false );
+    pRefUndoDoc->CopyToDocument( aRange, InsertDeleteFlags::FORMULA, false, &rDoc, nullptr, false );
     if (pRefUndoData)
         pRefUndoData->DoUndo( &rDoc, (eMode == SC_UNDO_REFFIRST) );
         // HACK: ScDragDropUndo is the only one with REFFIRST.
@@ -579,7 +579,7 @@ ScUndoWrapper::~ScUndoWrapper()
 
 void ScUndoWrapper::ForgetWrappedUndo()
 {
-    pWrappedUndo = NULL;    // don't delete in dtor - pointer must be stored outside
+    pWrappedUndo = nullptr;    // don't delete in dtor - pointer must be stored outside
 }
 
 OUString ScUndoWrapper::GetComment() const
diff --git a/sc/source/ui/undo/undoblk.cxx b/sc/source/ui/undo/undoblk.cxx
index 42e541b2b3e1..55f5e1ad2d87 100644
--- a/sc/source/ui/undo/undoblk.cxx
+++ b/sc/source/ui/undo/undoblk.cxx
@@ -95,7 +95,7 @@ ScUndoInsertCells::ScUndoInsertCells( ScDocShell* pNewDocShell,
     pScenarios( pNewScenarios ),
     eCmd( eNewCmd ),
     bPartOfPaste( bNewPartOfPaste ),
-    pPasteUndo( NULL )
+    pPasteUndo( nullptr )
 {
     if (eCmd == INS_INSROWS_BEFORE || eCmd == INS_INSROWS_AFTER)            // whole row?
     {
@@ -836,7 +836,7 @@ void ScUndoCut::Redo()
 void ScUndoCut::Repeat(SfxRepeatTarget& rTarget)
 {
     if (dynamic_cast<const ScTabViewTarget*>( &rTarget) !=  nullptr)
-        static_cast<ScTabViewTarget&>(rTarget).GetViewShell()->CutToClip( NULL, true );
+        static_cast<ScTabViewTarget&>(rTarget).GetViewShell()->CutToClip( nullptr, true );
 }
 
 bool ScUndoCut::CanRepeat(SfxRepeatTarget& rTarget) const
@@ -856,7 +856,7 @@ ScUndoPaste::ScUndoPaste( ScDocShell* pNewDocShell, const ScRangeList& rRanges,
     pRedoDoc( pNewRedoDoc ),
     nFlags( nNewFlags ),
     pRefUndoData( pRefData ),
-    pRefRedoData( NULL ),
+    pRefRedoData( nullptr ),
     bRedoFilled( bRedoIsFilled )
 {
     if ( pRefUndoData )
@@ -1407,7 +1407,7 @@ void ScUndoDragDrop::Redo()
 
     bool bIncludeFiltered = bCut;
     // TODO: restore old note captions instead of cloning new captions...
-    rDoc.CopyFromClip( aDestRange, aDestMark, InsertDeleteFlags::ALL & ~InsertDeleteFlags::OBJECTS, NULL, pClipDoc.get(), true, false, bIncludeFiltered );
+    rDoc.CopyFromClip( aDestRange, aDestMark, InsertDeleteFlags::ALL & ~InsertDeleteFlags::OBJECTS, nullptr, pClipDoc.get(), true, false, bIncludeFiltered );
 
     if (bCut)
         for (nTab=aSrcRange.aStart.Tab(); nTab<=aSrcRange.aEnd.Tab(); nTab++)
@@ -2000,7 +2000,7 @@ ScUndoClearItems::ScUndoClearItems( ScDocShell* pNewDocShell, const ScMarkData&
     ScBlockUndo( pNewDocShell, lcl_GetMultiMarkRange(rMark), SC_UNDO_AUTOHEIGHT ),
     aMarkData( rMark ),
     pUndoDoc( pNewUndoDoc ),
-    pWhich( NULL )
+    pWhich( nullptr )
 {
     OSL_ENSURE( pW, "ScUndoClearItems: Which-Pointer ist 0" );
 
diff --git a/sc/source/ui/undo/undoblk2.cxx b/sc/source/ui/undo/undoblk2.cxx
index 7abfac0ccb07..4539c96f62cc 100644
--- a/sc/source/ui/undo/undoblk2.cxx
+++ b/sc/source/ui/undo/undoblk2.cxx
@@ -51,7 +51,7 @@ ScUndoWidthOrHeight::ScUndoWidthOrHeight( ScDocShell* pNewDocShell,
     nNewSize( nNewSizeTwips ),
     bWidth( bNewWidth ),
     eMode( eNewMode ),
-    pDrawUndo( NULL )
+    pDrawUndo( nullptr )
 {
     pDrawUndo = GetSdrUndoAction( &pDocShell->GetDocument() );
 }
diff --git a/sc/source/ui/undo/undoblk3.cxx b/sc/source/ui/undo/undoblk3.cxx
index 475cf1d280e8..08504a597f45 100644
--- a/sc/source/ui/undo/undoblk3.cxx
+++ b/sc/source/ui/undo/undoblk3.cxx
@@ -87,7 +87,7 @@ ScUndoDeleteContents::ScUndoDeleteContents(
         aRange      ( rRange ),
         aMarkData   ( rMark ),
         pUndoDoc    ( std::move(pNewUndoDoc) ),
-        pDrawUndo   ( NULL ),
+        pDrawUndo   ( nullptr ),
         nFlags      ( nNewFlags ),
         bMulti      ( bNewMulti )   // unnecessary
 {
@@ -373,8 +373,8 @@ ScUndoSelectionAttr::ScUndoSelectionAttr( ScDocShell* pNewDocShell,
 {
     ScDocumentPool* pPool = pDocShell->GetDocument().GetPool();
     pApplyPattern = const_cast<ScPatternAttr*>(static_cast<const ScPatternAttr*>( &pPool->Put( *pNewApply ) ));
-    pLineOuter = pNewOuter ? const_cast<SvxBoxItem*>(static_cast<const SvxBoxItem*>( &pPool->Put( *pNewOuter ) )) : NULL;
-    pLineInner = pNewInner ? const_cast<SvxBoxInfoItem*>(static_cast<const SvxBoxInfoItem*>( &pPool->Put( *pNewInner ) )) : NULL;
+    pLineOuter = pNewOuter ? const_cast<SvxBoxItem*>(static_cast<const SvxBoxItem*>( &pPool->Put( *pNewOuter ) )) : nullptr;
+    pLineInner = pNewInner ? const_cast<SvxBoxInfoItem*>(static_cast<const SvxBoxInfoItem*>( &pPool->Put( *pNewInner ) )) : nullptr;
 }
 
 ScUndoSelectionAttr::~ScUndoSelectionAttr()
@@ -452,14 +452,14 @@ void ScUndoSelectionAttr::ChangeEditData( const bool bUndo )
         if (bUndo)
         {
             if (pItem->GetOldData())
-                rDoc.SetEditText(aPos, *pItem->GetOldData(), NULL);
+                rDoc.SetEditText(aPos, *pItem->GetOldData(), nullptr);
             else
                 rDoc.SetEmptyCell(aPos);
         }
         else
         {
             if (pItem->GetNewData())
-                rDoc.SetEditText(aPos, *pItem->GetNewData(), NULL);
+                rDoc.SetEditText(aPos, *pItem->GetNewData(), nullptr);
             else
                 rDoc.SetEmptyCell(aPos);
         }
@@ -998,7 +998,7 @@ void ScUndoReplace::Undo()
         InsertDeleteFlags nUndoFlags = (pSearchItem->GetPattern()) ? InsertDeleteFlags::ATTRIB : InsertDeleteFlags::CONTENTS;
         pUndoDoc->CopyToDocument( 0,      0,      0,
                                   MAXCOL, MAXROW, MAXTAB,
-                                  nUndoFlags, false, &rDoc, NULL, false );   // without row flags
+                                  nUndoFlags, false, &rDoc, nullptr, false );   // without row flags
         pDocShell->PostPaintGridAll();
     }
     else if (pSearchItem->GetPattern() &&
@@ -1370,7 +1370,7 @@ ScUndoRefreshLink::ScUndoRefreshLink( ScDocShell* pNewDocShell,
                                     ScDocument* pNewUndoDoc )
     :   ScSimpleUndo( pNewDocShell ),
         pUndoDoc( pNewUndoDoc ),
-        pRedoDoc( NULL )
+        pRedoDoc( nullptr )
 {
 }
 
@@ -1489,7 +1489,7 @@ static ScAreaLink* lcl_FindAreaLink( sfx2::LinkManager* pLinkManager, const OUSt
     }
 
     OSL_FAIL("ScAreaLink not found");
-    return NULL;
+    return nullptr;
 }
 
 ScUndoInsertAreaLink::ScUndoInsertAreaLink( ScDocShell* pShell,
diff --git a/sc/source/ui/undo/undocell.cxx b/sc/source/ui/undo/undocell.cxx
index 205d90285751..6909e64c1ccf 100644
--- a/sc/source/ui/undo/undocell.cxx
+++ b/sc/source/ui/undo/undocell.cxx
@@ -86,8 +86,8 @@ ScUndoCursorAttr::ScUndoCursorAttr( ScDocShell* pNewDocShell,
     nCol( nNewCol ),
     nRow( nNewRow ),
     nTab( nNewTab ),
-    pOldEditData( static_cast<EditTextObject*>(NULL) ),
-    pNewEditData( static_cast<EditTextObject*>(NULL) ),
+    pOldEditData( static_cast<EditTextObject*>(nullptr) ),
+    pNewEditData( static_cast<EditTextObject*>(nullptr) ),
     bIsAutomatic( bAutomatic )
 {
     ScDocumentPool* pPool = pDocShell->GetDocument().GetPool();
@@ -125,7 +125,7 @@ void ScUndoCursorAttr::DoChange( const ScPatternAttr* pWhichPattern, const share
     rDoc.SetPattern( nCol, nRow, nTab, *pWhichPattern, true );
 
     if (rDoc.GetCellType(aPos) == CELLTYPE_EDIT && pEditData)
-        rDoc.SetEditText(aPos, *pEditData, NULL);
+        rDoc.SetEditText(aPos, *pEditData, nullptr);
 
     ScTabViewShell* pViewShell = ScTabViewShell::GetActiveViewShell();
     if (pViewShell)
@@ -295,7 +295,7 @@ void ScUndoEnterData::Redo()
             ScAddress aPos = maPos;
             aPos.SetTab(nTab);
             // edit text wil be cloned.
-            rDoc.SetEditText(aPos, *mpNewEditData, NULL);
+            rDoc.SetEditText(aPos, *mpNewEditData, nullptr);
         }
         else
             rDoc.SetString(maPos.Col(), maPos.Row(), nTab, maNewString);
@@ -871,7 +871,7 @@ ScUndoDetective::ScUndoDetective( ScDocShell* pNewDocShell,
     nAction     ( 0 ),
     pDrawUndo   ( pDraw )
 {
-    bIsDelete = ( pOperation == NULL );
+    bIsDelete = ( pOperation == nullptr );
     if (!bIsDelete)
     {
         nAction = (sal_uInt16) pOperation->GetOperation();
diff --git a/sc/source/ui/undo/undodat.cxx b/sc/source/ui/undo/undodat.cxx
index e35a15880b39..82e0a4c1ab40 100644
--- a/sc/source/ui/undo/undodat.cxx
+++ b/sc/source/ui/undo/undodat.cxx
@@ -741,7 +741,7 @@ ScUndoQuery::ScUndoQuery( ScDocShell* pNewDocShell, SCTAB nNewTab, const ScQuery
                             const ScRange* pOld, bool bSize, const ScRange* pAdvSrc ) :
     ScDBFuncUndo( pNewDocShell, ScRange( rParam.nCol1, rParam.nRow1, nNewTab,
                                          rParam.nCol2, rParam.nRow2, nNewTab ) ),
-    pDrawUndo( NULL ),
+    pDrawUndo( nullptr ),
     nTab( nNewTab ),
     aQueryParam( rParam ),
     pUndoDoc( pNewUndoDoc ),
@@ -892,7 +892,7 @@ void ScUndoQuery::Redo()
     if ( bIsAdvanced )
         pViewShell->Query( aQueryParam, &aAdvSource, false );
     else
-        pViewShell->Query( aQueryParam, NULL, false );
+        pViewShell->Query( aQueryParam, nullptr, false );
 
     EndRedo();
 }
@@ -930,7 +930,7 @@ void ScUndoAutoFilter::DoChange( bool bUndo )
     bool bNewFilter = bUndo ? !bFilterSet : bFilterSet;
 
     ScDocument& rDoc = pDocShell->GetDocument();
-    ScDBData* pDBData=NULL;
+    ScDBData* pDBData=nullptr;
     if (aDBName == STR_DB_LOCAL_NONAME)
     {
         SCTAB nTab = aOriginalRange.aStart.Tab();
@@ -1096,7 +1096,7 @@ void ScUndoImportData::Undo()
     SCTAB nTable;
     SCCOL nCol1, nCol2;
     SCROW nRow1, nRow2;
-    ScDBData* pCurrentData = NULL;
+    ScDBData* pCurrentData = nullptr;
     if (pUndoDBData && pRedoDBData)
     {
         pRedoDBData->GetArea( nTable, nCol1, nRow1, nCol2, nRow2 );
@@ -1181,7 +1181,7 @@ void ScUndoImportData::Redo()
     SCTAB nTable;
     SCCOL nCol1, nCol2;
     SCROW nRow1, nRow2;
-    ScDBData* pCurrentData = NULL;
+    ScDBData* pCurrentData = nullptr;
     if (pUndoDBData && pRedoDBData)
     {
         pUndoDBData->GetArea( nTable, nCol1, nRow1, nCol2, nRow2 );
@@ -1431,8 +1431,8 @@ ScUndoDataPilot::ScUndoDataPilot( ScDocShell* pNewDocShell,
     ScSimpleUndo( pNewDocShell ),
     pOldUndoDoc( pOldDoc ),
     pNewUndoDoc( pNewDoc ),
-    pOldDPObject( NULL ),
-    pNewDPObject( NULL ),
+    pOldDPObject( nullptr ),
+    pNewDPObject( nullptr ),
     bAllowMove( bMove )
 {
     if (pOldObj)
@@ -1555,7 +1555,7 @@ void ScUndoDataPilot::Redo()
 
     ScDocument& rDoc = pDocShell->GetDocument();
 
-    ScDPObject* pSourceObj = NULL;
+    ScDPObject* pSourceObj = nullptr;
     if ( pOldDPObject )
     {
         //  find object to modify
@@ -1812,7 +1812,7 @@ ScUndoDataForm::ScUndoDataForm( ScDocShell* pNewDocShell,
         pRedoDoc( pNewRedoDoc ),
         nFlags( nNewFlags ),
         pRefUndoData( pRefData ),
-        pRefRedoData( NULL ),
+        pRefRedoData( nullptr ),
         bRedoFilled( bRedoIsFilled )
 {
         //      pFill1,pFill2,pFill3 are there so the ctor calls for simple paste (without cutting)
diff --git a/sc/source/ui/undo/undodraw.cxx b/sc/source/ui/undo/undodraw.cxx
index b46825de8bdc..4665a46a03d1 100644
--- a/sc/source/ui/undo/undodraw.cxx
+++ b/sc/source/ui/undo/undodraw.cxx
@@ -38,7 +38,7 @@ ScUndoDraw::~ScUndoDraw()
 
 void ScUndoDraw::ForgetDrawUndo()
 {
-    pDrawUndo = NULL;   // do not delete (DrawUndo has to be remembered from outside)
+    pDrawUndo = nullptr;   // do not delete (DrawUndo has to be remembered from outside)
 }
 
 OUString ScUndoDraw::GetComment() const
diff --git a/sc/source/ui/undo/undoolk.cxx b/sc/source/ui/undo/undoolk.cxx
index aaa8137c08e3..9d80fb1aa64f 100644
--- a/sc/source/ui/undo/undoolk.cxx
+++ b/sc/source/ui/undo/undoolk.cxx
@@ -29,7 +29,7 @@ SdrUndoAction* GetSdrUndoAction( ScDocument* pDoc )
     if (pLayer)
         return pLayer->GetCalcUndo();               // must exist
     else
-        return NULL;
+        return nullptr;
 }
 
 void DoSdrUndoAction( SdrUndoAction* pUndoAction, ScDocument* pDoc )
diff --git a/sc/source/ui/undo/undorangename.cxx b/sc/source/ui/undo/undorangename.cxx
index f275cdc783f5..f3878487f050 100644
--- a/sc/source/ui/undo/undorangename.cxx
+++ b/sc/source/ui/undo/undorangename.cxx
@@ -95,7 +95,7 @@ ScUndoAddRangeData::~ScUndoAddRangeData()
 void ScUndoAddRangeData::Undo()
 {
     ScDocument& rDoc = pDocShell->GetDocument();
-    ScRangeName* pRangeName = NULL;
+    ScRangeName* pRangeName = nullptr;
     if (mnTab == -1)
     {
         pRangeName = rDoc.GetRangeName();
@@ -112,7 +112,7 @@ void ScUndoAddRangeData::Undo()
 void ScUndoAddRangeData::Redo()
 {
     ScDocument& rDoc = pDocShell->GetDocument();
-    ScRangeName* pRangeName = NULL;
+    ScRangeName* pRangeName = nullptr;
     if (mnTab == -1)
     {
         pRangeName = rDoc.GetRangeName();
diff --git a/sc/source/ui/undo/undosort.cxx b/sc/source/ui/undo/undosort.cxx
index acdac407b085..7ca1aa485f2a 100644
--- a/sc/source/ui/undo/undosort.cxx
+++ b/sc/source/ui/undo/undosort.cxx
@@ -42,7 +42,7 @@ void UndoSort::Execute( bool bUndo )
     sc::ReorderParam aParam = maParam;
     if (bUndo)
         aParam.reverse();
-    rDoc.Reorder(aParam, NULL);
+    rDoc.Reorder(aParam, nullptr);
 
     if (maParam.mbHasHeaders)
     {
diff --git a/sc/source/ui/undo/undostyl.cxx b/sc/source/ui/undo/undostyl.cxx
index 6e9c5f61b902..a9a7102e91f7 100644
--- a/sc/source/ui/undo/undostyl.cxx
+++ b/sc/source/ui/undo/undostyl.cxx
@@ -35,7 +35,7 @@ TYPEINIT1(ScUndoApplyPageStyle, ScSimpleUndo);
 //      modify style (cell or page style)
 
 ScStyleSaveData::ScStyleSaveData() :
-    pItems( NULL )
+    pItems( nullptr )
 {
 }
 
@@ -46,7 +46,7 @@ ScStyleSaveData::ScStyleSaveData( const ScStyleSaveData& rOther ) :
     if (rOther.pItems)
         pItems = new SfxItemSet( *rOther.pItems );
     else
-        pItems = NULL;
+        pItems = nullptr;
 }
 
 ScStyleSaveData::~ScStyleSaveData()
@@ -63,7 +63,7 @@ ScStyleSaveData& ScStyleSaveData::operator=( const ScStyleSaveData& rOther )
     if (rOther.pItems)
         pItems = new SfxItemSet( *rOther.pItems );
     else
-        pItems = NULL;
+        pItems = nullptr;
 
     return *this;
 }
@@ -127,7 +127,7 @@ void ScUndoModifyStyle::DoChange( ScDocShell* pDocSh, const OUString& rName,
     bool bDelete = aNewName.isEmpty();         // no new name -> delete style
     bool bNew = ( rName.isEmpty() && !bDelete );   // creating new style
 
-    SfxStyleSheetBase* pStyle = NULL;
+    SfxStyleSheetBase* pStyle = nullptr;
     if ( !rName.isEmpty() )
     {
         // find old style to modify
diff --git a/sc/source/ui/undo/undotab.cxx b/sc/source/ui/undo/undotab.cxx
index 46862b68463f..ccfa2ee44234 100644
--- a/sc/source/ui/undo/undotab.cxx
+++ b/sc/source/ui/undo/undotab.cxx
@@ -81,7 +81,7 @@ ScUndoInsertTab::ScUndoInsertTab( ScDocShell* pNewDocShell,
                                   const OUString& rNewName) :
     ScSimpleUndo( pNewDocShell ),
     sNewName( rNewName ),
-    pDrawUndo( NULL ),
+    pDrawUndo( nullptr ),
     nTab( nTabNum ),
     bAppend( bApp )
 {
@@ -173,7 +173,7 @@ ScUndoInsertTables::ScUndoInsertTables( ScDocShell* pNewDocShell,
                                         SCTAB nTabNum,
                                         std::vector<OUString>& newNameList) :
     ScSimpleUndo( pNewDocShell ),
-    pDrawUndo( NULL ),
+    pDrawUndo( nullptr ),
     aNameList( newNameList ),
     nTab( nTabNum )
 {
@@ -592,7 +592,7 @@ ScUndoCopyTab::ScUndoCopyTab(
     mpOldTabs(pOldTabs),
     mpNewTabs(pNewTabs),
     mpNewNames(pNewNames),
-    pDrawUndo( NULL )
+    pDrawUndo( nullptr )
 {
     pDrawUndo = GetSdrUndoAction( &pDocShell->GetDocument() );
 
@@ -803,7 +803,7 @@ ScUndoMakeScenario::ScUndoMakeScenario( ScDocShell* pNewDocShell,
     aComment( rC ),
     aColor( rCol ),
     nFlags( nF ),
-    pDrawUndo( NULL )
+    pDrawUndo( nullptr )
 {
     pDrawUndo = GetSdrUndoAction( &pDocShell->GetDocument() );
 }
@@ -882,8 +882,8 @@ ScUndoImportTab::ScUndoImportTab( ScDocShell* pShell,
     ScSimpleUndo( pShell ),
     nTab( nNewTab ),
     nCount( nNewCount ),
-    pRedoDoc( NULL ),
-    pDrawUndo( NULL )
+    pRedoDoc( nullptr ),
+    pDrawUndo( nullptr )
 {
     pDrawUndo = GetSdrUndoAction( &pDocShell->GetDocument() );
 }
@@ -1206,7 +1206,7 @@ void ScUndoDocProtect::DoProtect(bool bProtect)
     else
     {
         // remove protection.
-        rDoc.SetDocProtection(NULL);
+        rDoc.SetDocProtection(nullptr);
     }
 
     ScTabViewShell* pViewShell = ScTabViewShell::GetActiveViewShell();
@@ -1274,7 +1274,7 @@ void ScUndoTabProtect::DoProtect(bool bProtect)
     else
     {
         // remove protection.
-        rDoc.SetTabProtection(mnTab, NULL);
+        rDoc.SetTabProtection(mnTab, nullptr);
     }
 
     ScTabViewShell* pViewShell = ScTabViewShell::GetActiveViewShell();
@@ -1494,7 +1494,7 @@ SdrObject* ScUndoRenameObject::GetObject()
         }
     }
     OSL_FAIL("Object not found");
-    return NULL;
+    return nullptr;
 }
 
 void ScUndoRenameObject::Undo()
diff --git a/sc/source/ui/unoobj/ChartRangeSelectionListener.cxx b/sc/source/ui/unoobj/ChartRangeSelectionListener.cxx
index d46429204041..f4686de887e9 100644
--- a/sc/source/ui/unoobj/ChartRangeSelectionListener.cxx
+++ b/sc/source/ui/unoobj/ChartRangeSelectionListener.cxx
@@ -69,7 +69,7 @@ void SAL_CALL ScChartRangeSelectionListener::disposing( const lang::EventObject&
 // ____ WeakComponentImplHelperBase ____
 void SAL_CALL ScChartRangeSelectionListener::disposing()
 {
-    m_pViewShell = 0;
+    m_pViewShell = nullptr;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/unoobj/addruno.cxx b/sc/source/ui/unoobj/addruno.cxx
index 9a8a759adf9c..12b41b92cbb0 100644
--- a/sc/source/ui/unoobj/addruno.cxx
+++ b/sc/source/ui/unoobj/addruno.cxx
@@ -53,7 +53,7 @@ void ScAddressConversionObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>( &rHint );
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // invalid
+        pDocShell = nullptr;       // invalid
     }
 }
 
diff --git a/sc/source/ui/unoobj/afmtuno.cxx b/sc/source/ui/unoobj/afmtuno.cxx
index ab104f4a9ab0..c6230719b34c 100644
--- a/sc/source/ui/unoobj/afmtuno.cxx
+++ b/sc/source/ui/unoobj/afmtuno.cxx
@@ -186,7 +186,7 @@ ScAutoFormatObj* ScAutoFormatsObj::GetObjectByIndex_Impl(sal_uInt16 nIndex)
     if (nIndex < ScGlobal::GetOrCreateAutoFormat()->size())
         return new ScAutoFormatObj(nIndex);
 
-    return NULL;    // falscher Index
+    return nullptr;    // falscher Index
 }
 
 ScAutoFormatObj* ScAutoFormatsObj::GetObjectByName_Impl(const OUString& aName)
@@ -196,7 +196,7 @@ ScAutoFormatObj* ScAutoFormatsObj::GetObjectByName_Impl(const OUString& aName)
     if (lcl_FindAutoFormatIndex(
             *ScGlobal::GetOrCreateAutoFormat(), aString, nIndex ))
         return GetObjectByIndex_Impl(nIndex);
-    return NULL;
+    return nullptr;
 }
 
 // container::XNameContainer
@@ -420,7 +420,7 @@ const uno::Sequence<sal_Int8>& ScAutoFormatObj::getUnoTunnelId()
 
 ScAutoFormatObj* ScAutoFormatObj::getImplementation(const uno::Reference<uno::XInterface>& rObj)
 {
-    ScAutoFormatObj* pRet = NULL;
+    ScAutoFormatObj* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScAutoFormatObj*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -439,7 +439,7 @@ ScAutoFormatFieldObj* ScAutoFormatObj::GetObjectByIndex_Impl(sal_uInt16 nIndex)
     if ( IsInserted() && nIndex < SC_AF_FIELD_COUNT )
         return new ScAutoFormatFieldObj( nFormatIndex, nIndex );
 
-    return NULL;
+    return nullptr;
 }
 
 // container::XEnumerationAccess
diff --git a/sc/source/ui/unoobj/appluno.cxx b/sc/source/ui/unoobj/appluno.cxx
index 417a96e9f7d0..f5036f1b8f6d 100644
--- a/sc/source/ui/unoobj/appluno.cxx
+++ b/sc/source/ui/unoobj/appluno.cxx
@@ -98,7 +98,7 @@ SAL_DLLPUBLIC_EXPORT void * SAL_CALL sc_component_getFactory(
     const sal_Char * pImplName, void * pServiceManager, void * /* pRegistryKey */ )
 {
     if (!pServiceManager)
-        return NULL;
+        return nullptr;
 
     uno::Reference<lang::XSingleServiceFactory> xFactory;
     OUString aImpl(OUString::createFromAscii(pImplName));
@@ -160,7 +160,7 @@ SAL_DLLPUBLIC_EXPORT void * SAL_CALL sc_component_getFactory(
                 ScDocument_getSupportedServiceNames() ));
     }
 
-    void* pRet = NULL;
+    void* pRet = nullptr;
     if (xFactory.is())
     {
         xFactory->acquire();
@@ -501,7 +501,7 @@ void SAL_CALL ScRecentFunctionsObj::setRecentFunctionIds(
     sal_uInt16 nCount = (sal_uInt16) std::min( aRecentFunctionIds.getLength(), (sal_Int32) LRU_MAX );
     const sal_Int32* pAry = aRecentFunctionIds.getConstArray();
 
-    std::unique_ptr<sal_uInt16[]> pFuncs(nCount ? new sal_uInt16[nCount] : NULL);
+    std::unique_ptr<sal_uInt16[]> pFuncs(nCount ? new sal_uInt16[nCount] : nullptr);
     for (sal_uInt16 i=0; i<nCount; i++)
         pFuncs[i] = (sal_uInt16)pAry[i];        //! auf gueltige Werte testen?
 
diff --git a/sc/source/ui/unoobj/cellsuno.cxx b/sc/source/ui/unoobj/cellsuno.cxx
index 145ed0c048e2..6bb18847787a 100644
--- a/sc/source/ui/unoobj/cellsuno.cxx
+++ b/sc/source/ui/unoobj/cellsuno.cxx
@@ -935,12 +935,12 @@ const ::editeng::SvxBorderLine* lcl_getBorderLine(
 {
     // Convert from 1/100mm to Twips.
     if (!SvxBoxItem::LineToSvxLine( rStruct, rLine, true))
-        return NULL;
+        return nullptr;
 
     if ( rLine.GetOutWidth() || rLine.GetInWidth() || rLine.GetDistance() )
         return &rLine;
     else
-        return NULL;
+        return nullptr;
 }
 }
 
@@ -1047,7 +1047,7 @@ void ScHelperFunctions::ApplyBorder( ScDocShell* pDocShell, const ScRangeList& r
 {
     ScDocument& rDoc = pDocShell->GetDocument();
     bool bUndo(rDoc.IsUndoEnabled());
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     if (bUndo)
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
     size_t nCount = rRanges.size();
@@ -1117,7 +1117,7 @@ static bool lcl_PutDataArray( ScDocShell& rDocShell, const ScRange& rRange,
         return false;
     }
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     if ( bUndo )
     {
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -1215,7 +1215,7 @@ static bool lcl_PutDataArray( ScDocShell& rDocShell, const ScRange& rRange,
         rDocShell.GetUndoManager()->AddUndoAction(
             new ScUndoPaste(
                 &rDocShell, ScRange(nStartCol, nStartRow, nTab, nEndCol, nEndRow, nTab),
-                aDestMark, pUndoDoc, NULL, InsertDeleteFlags::CONTENTS, NULL, false));
+                aDestMark, pUndoDoc, nullptr, InsertDeleteFlags::CONTENTS, nullptr, false));
     }
 
     if (!bHeight)
@@ -1256,7 +1256,7 @@ static bool lcl_PutFormulaArray( ScDocShell& rDocShell, const ScRange& rRange,
         return false;
     }
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     if ( bUndo )
     {
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -1316,7 +1316,7 @@ static bool lcl_PutFormulaArray( ScDocShell& rDocShell, const ScRange& rRange,
         rDocShell.GetUndoManager()->AddUndoAction(
             new ScUndoPaste( &rDocShell,
                 ScRange(nStartCol, nStartRow, nTab, nEndCol, nEndRow, nTab), aDestMark,
-                pUndoDoc, NULL, InsertDeleteFlags::CONTENTS, NULL, false));
+                pUndoDoc, nullptr, InsertDeleteFlags::CONTENTS, nullptr, false));
     }
 
     if (!bHeight)
@@ -1389,12 +1389,12 @@ static OUString lcl_GetInputString( ScDocument& rDoc, const ScAddress& rPos, boo
 ScCellRangesBase::ScCellRangesBase(ScDocShell* pDocSh, const ScRange& rR) :
     pPropSet(lcl_GetCellsPropertySet()),
     pDocShell( pDocSh ),
-    pValueListener( NULL ),
-    pCurrentFlat( NULL ),
-    pCurrentDeep( NULL ),
-    pCurrentDataSet( NULL ),
-    pNoDfltCurrentDataSet( NULL ),
-    pMarkData( NULL ),
+    pValueListener( nullptr ),
+    pCurrentFlat( nullptr ),
+    pCurrentDeep( nullptr ),
+    pCurrentDataSet( nullptr ),
+    pNoDfltCurrentDataSet( nullptr ),
+    pMarkData( nullptr ),
     nObjectId( 0 ),
     bChartColAsHdr( false ),
     bChartRowAsHdr( false ),
@@ -1426,12 +1426,12 @@ ScCellRangesBase::ScCellRangesBase(ScDocShell* pDocSh, const ScRange& rR) :
 ScCellRangesBase::ScCellRangesBase(ScDocShell* pDocSh, const ScRangeList& rR) :
     pPropSet(lcl_GetCellsPropertySet()),
     pDocShell( pDocSh ),
-    pValueListener( NULL ),
-    pCurrentFlat( NULL ),
-    pCurrentDeep( NULL ),
-    pCurrentDataSet( NULL ),
-    pNoDfltCurrentDataSet( NULL ),
-    pMarkData( NULL ),
+    pValueListener( nullptr ),
+    pCurrentFlat( nullptr ),
+    pCurrentDeep( nullptr ),
+    pCurrentDataSet( nullptr ),
+    pNoDfltCurrentDataSet( nullptr ),
+    pMarkData( nullptr ),
     aRanges( rR ),
     nObjectId( 0 ),
     bChartColAsHdr( false ),
@@ -1482,10 +1482,10 @@ void ScCellRangesBase::ForgetCurrentAttrs()
     delete pCurrentDeep;
     delete pCurrentDataSet;
     delete pNoDfltCurrentDataSet;
-    pCurrentFlat = NULL;
-    pCurrentDeep = NULL;
-    pCurrentDataSet = NULL;
-    pNoDfltCurrentDataSet = NULL;
+    pCurrentFlat = nullptr;
+    pCurrentDeep = nullptr;
+    pCurrentDataSet = nullptr;
+    pNoDfltCurrentDataSet = nullptr;
 
     // #i62483# pMarkData can remain unchanged, is deleted only if the range changes (RefChanged)
 }
@@ -1493,7 +1493,7 @@ void ScCellRangesBase::ForgetCurrentAttrs()
 void ScCellRangesBase::ForgetMarkData()
 {
     delete pMarkData;
-    pMarkData = NULL;
+    pMarkData = nullptr;
 }
 
 const ScPatternAttr* ScCellRangesBase::GetCurrentAttrsFlat()
@@ -1602,7 +1602,7 @@ void ScCellRangesBase::Notify( SfxBroadcaster&, const SfxHint& rHint )
         if ( nId == SFX_HINT_DYING )
         {
             ForgetCurrentAttrs();
-            pDocShell = NULL;           // invalid
+            pDocShell = nullptr;           // invalid
 
             if ( !aValueListeners.empty() )
             {
@@ -1693,7 +1693,7 @@ ScDocument* ScCellRangesBase::GetDocument() const
     if (pDocShell)
         return &pDocShell->GetDocument();
     else
-        return NULL;
+        return nullptr;
 }
 
 void ScCellRangesBase::InitInsertRange(ScDocShell* pDocSh, const ScRange& rR)
@@ -3069,7 +3069,7 @@ ScMemChart* ScCellRangesBase::CreateMemChart_Impl() const
 
         return aArr.CreateMemChart();
     }
-    return NULL;
+    return nullptr;
 }
 
 uno::Sequence< uno::Sequence<double> > SAL_CALL ScCellRangesBase::getData()
@@ -3473,7 +3473,7 @@ uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryVisibleC
         SCCOL nCol = 0, nLastCol;
         while (nCol <= MAXCOL)
         {
-            if (rDoc.ColHidden(nCol, nTab, NULL, &nLastCol))
+            if (rDoc.ColHidden(nCol, nTab, nullptr, &nLastCol))
                 // hidden columns.  Unselect them.
                 aMarkData.SetMultiMarkArea(ScRange(nCol, 0, nTab, nLastCol, MAXROW, nTab), false);
 
@@ -3483,7 +3483,7 @@ uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryVisibleC
         SCROW nRow = 0, nLastRow;
         while (nRow <= MAXROW)
         {
-            if (rDoc.RowHidden(nRow, nTab, NULL, &nLastRow))
+            if (rDoc.RowHidden(nRow, nTab, nullptr, &nLastRow))
                 // These rows are hidden.  Unselect them.
                 aMarkData.SetMultiMarkArea(ScRange(0, nRow, nTab, MAXCOL, nLastRow, nTab), false);
 
@@ -3495,7 +3495,7 @@ uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryVisibleC
         return new ScCellRangesObj( pDocShell, aNewRanges );
     }
 
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryEmptyCells()
@@ -3530,7 +3530,7 @@ uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryEmptyCel
         return new ScCellRangesObj( pDocShell, aNewRanges );    // aNewRanges kann leer sein
     }
 
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryContentCells(
@@ -3610,7 +3610,7 @@ uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryContentC
         return new ScCellRangesObj( pDocShell, aNewRanges );    // aNewRanges kann leer sein
     }
 
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryFormulaCells(
@@ -3665,7 +3665,7 @@ uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryFormulaC
         return new ScCellRangesObj( pDocShell, aNewRanges );    // aNewRanges kann leer sein
     }
 
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSheetCellRanges> ScCellRangesBase::QueryDifferences_Impl(
@@ -3749,7 +3749,7 @@ uno::Reference<sheet::XSheetCellRanges> ScCellRangesBase::QueryDifferences_Impl(
 
         return new ScCellRangesObj( pDocShell, aNewRanges );    // aNewRanges kann leer sein
     }
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSheetCellRanges > SAL_CALL ScCellRangesBase::queryColumnDifferences(
@@ -3837,7 +3837,7 @@ uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryPreceden
         return new ScCellRangesObj( pDocShell, aNewRanges );
     }
 
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryDependents(
@@ -3896,7 +3896,7 @@ uno::Reference<sheet::XSheetCellRanges> SAL_CALL ScCellRangesBase::queryDependen
         return new ScCellRangesObj( pDocShell, aNewRanges );
     }
 
-    return NULL;
+    return nullptr;
 }
 
 // XSearchable
@@ -4000,7 +4000,7 @@ uno::Reference<uno::XInterface> SAL_CALL ScCellRangesBase::findFirst(
                                                 throw(uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
-    return Find_Impl( xDesc, NULL );
+    return Find_Impl( xDesc, nullptr );
 }
 
 uno::Reference<uno::XInterface> SAL_CALL ScCellRangesBase::findNext(
@@ -4022,7 +4022,7 @@ uno::Reference<uno::XInterface> SAL_CALL ScCellRangesBase::findNext(
             }
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 // XReplaceable
@@ -4073,7 +4073,7 @@ sal_Int32 SAL_CALL ScCellRangesBase::replaceAll( const uno::Reference<util::XSea
                     SCROW nRow = 0;
 
                     OUString aUndoStr;
-                    ScDocument* pUndoDoc = NULL;
+                    ScDocument* pUndoDoc = nullptr;
                     if (bUndo)
                     {
                         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -4143,7 +4143,7 @@ const uno::Sequence<sal_Int8>& ScCellRangesBase::getUnoTunnelId()
 
 ScCellRangesBase* ScCellRangesBase::getImplementation(const uno::Reference<uno::XInterface>& rObj)
 {
-    ScCellRangesBase* pRet = NULL;
+    ScCellRangesBase* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScCellRangesBase*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -4241,7 +4241,7 @@ ScCellRangeObj* ScCellRangesObj::GetObjectByIndex_Impl(sal_Int32 nIndex) const
             return new ScCellRangeObj( pDocSh, aRange );
     }
 
-    return NULL;        // keine DocShell oder falscher Index
+    return nullptr;        // keine DocShell oder falscher Index
 }
 
 uno::Sequence<table::CellRangeAddress> SAL_CALL ScCellRangesObj::getRangeAddresses()
@@ -4281,7 +4281,7 @@ uno::Reference<container::XEnumerationAccess> SAL_CALL ScCellRangesObj::getCells
     ScDocShell* pDocSh = GetDocShell();
     if (pDocSh)
         return new ScCellsObj( pDocSh, rRanges );
-    return NULL;
+    return nullptr;
 }
 
 OUString SAL_CALL ScCellRangesObj::getRangeAddressesAsString()
@@ -4777,7 +4777,7 @@ uno::Reference<table::XCellRange> ScCellRangeObj::CreateRangeFromDoc( ScDocument
     SfxObjectShell* pObjSh = pDoc->GetDocumentShell();
     if ( pObjSh && dynamic_cast<const ScDocShell*>( pObjSh) !=  nullptr )
         return new ScCellRangeObj( static_cast<ScDocShell*>(pObjSh), rR );
-    return NULL;
+    return nullptr;
 }
 
 ScCellRangeObj::ScCellRangeObj(ScDocShell* pDocSh, const ScRange& rR) :
@@ -5018,7 +5018,7 @@ uno::Reference<table::XTableColumns> SAL_CALL ScCellRangeObj::getColumns() throw
                                         aRange.aStart.Col(), aRange.aEnd.Col() );
 
     OSL_FAIL("Dokument ungueltig");
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<table::XTableRows> SAL_CALL ScCellRangeObj::getRows() throw(uno::RuntimeException, std::exception)
@@ -5030,7 +5030,7 @@ uno::Reference<table::XTableRows> SAL_CALL ScCellRangeObj::getRows() throw(uno::
                                     aRange.aStart.Row(), aRange.aEnd.Row() );
 
     OSL_FAIL("Dokument ungueltig");
-    return NULL;
+    return nullptr;
 }
 
 // XAddressableCellRange
@@ -5054,7 +5054,7 @@ uno::Reference<sheet::XSpreadsheet> SAL_CALL ScCellRangeObj::getSpreadsheet()
         return new ScTableSheetObj( pDocSh, aRange.aStart.Tab() );
 
     OSL_FAIL("Dokument ungueltig");
-    return NULL;
+    return nullptr;
 }
 
 // XArrayFormulaRange
@@ -5106,7 +5106,7 @@ void ScCellRangeObj::SetArrayFormula_Impl(const OUString& rFormula,
                 throw uno::RuntimeException();
             }
 
-            pDocSh->GetDocFunc().EnterMatrix( aRange, NULL, NULL, rFormula, true, true, rFormulaNmsp, eGrammar );
+            pDocSh->GetDocFunc().EnterMatrix( aRange, nullptr, nullptr, rFormula, true, true, rFormulaNmsp, eGrammar );
         }
         else
         {
@@ -5183,7 +5183,7 @@ void SAL_CALL ScCellRangeObj::setArrayTokens( const uno::Sequence<sheet::Formula
             // Actually GRAM_PODF_A1 is a don't-care here because of the token
             // array being set, it fits with other API compatibility grammars
             // though.
-            pDocSh->GetDocFunc().EnterMatrix( aRange, NULL, &aTokenArray, EMPTY_OUSTRING, true, true, EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_PODF_A1 );
+            pDocSh->GetDocFunc().EnterMatrix( aRange, nullptr, &aTokenArray, EMPTY_OUSTRING, true, true, EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_PODF_A1 );
         }
         else
         {
@@ -5349,7 +5349,7 @@ void SAL_CALL ScCellRangeObj::setTableOperation( const table::CellRangeAddress&
         }
 
         if (!bError)
-            pDocSh->GetDocFunc().TabOp( aRange, NULL, aParam, true, true );
+            pDocSh->GetDocFunc().TabOp( aRange, nullptr, aParam, true, true );
     }
 }
 
@@ -5454,7 +5454,7 @@ void SAL_CALL ScCellRangeObj::fillSeries( sheet::FillDirection nFillDirection,
         }
 
         if (!bError)
-            pDocSh->GetDocFunc().FillSeries( aRange, NULL, eDir, eCmd, eDateCmd,
+            pDocSh->GetDocFunc().FillSeries( aRange, nullptr, eDir, eCmd, eDateCmd,
                                                 MAXDOUBLE, fStep, fEndValue, true, true );
     }
 }
@@ -5499,7 +5499,7 @@ void SAL_CALL ScCellRangeObj::fillAuto( sheet::FillDirection nFillDirection,
             bError = true;
 
         if (!bError)
-            pDocSh->GetDocFunc().FillAuto( aSourceRange, NULL, eDir, nCount, true, true );
+            pDocSh->GetDocFunc().FillAuto( aSourceRange, nullptr, eDir, nCount, true, true );
     }
 }
 
@@ -5518,7 +5518,7 @@ void SAL_CALL ScCellRangeObj::autoFormat( const OUString& aName )
         {
             ScAutoFormat::const_iterator itBeg = pAutoFormat->begin();
             size_t nIndex = std::distance(itBeg, it);
-            pDocSh->GetDocFunc().AutoFormat(aRange, NULL, nIndex, true, true);
+            pDocSh->GetDocFunc().AutoFormat(aRange, nullptr, nIndex, true, true);
         }
         else
             throw lang::IllegalArgumentException();
@@ -5707,7 +5707,7 @@ void SAL_CALL ScCellRangeObj::filter( const uno::Reference<sheet::XSheetFilterDe
         //! if created by createFilterDescriptorByObject ???
 
         ScDBDocFunc aFunc(*pDocSh);
-        aFunc.Query( nTab, aParam, NULL, true, true );  // Bereich muss angelegt sein
+        aFunc.Query( nTab, aParam, nullptr, true, true );  // Bereich muss angelegt sein
     }
 }
 
@@ -5768,12 +5768,12 @@ uno::Reference<sheet::XSheetFilterDescriptor> SAL_CALL ScCellRangeObj::createFil
         else
         {
             delete pNew;
-            return NULL;        // ungueltig -> null
+            return nullptr;        // ungueltig -> null
         }
     }
 
     OSL_FAIL("kein Dokument oder kein Bereich");
-    return NULL;
+    return nullptr;
 }
 
 // XSubTotalSource
@@ -5854,7 +5854,7 @@ void SAL_CALL ScCellRangeObj::applySubTotals(
         pDocSh->GetDBData( aRange, SC_DB_MAKE, SC_DBSEL_FORCE_MARK );   // ggf. Bereich anlegen
 
         ScDBDocFunc aFunc(*pDocSh);
-        aFunc.DoSubTotals( nTab, aParam, NULL, true, true );    // Bereich muss angelegt sein
+        aFunc.DoSubTotals( nTab, aParam, nullptr, true, true );    // Bereich muss angelegt sein
     }
 }
 
@@ -5881,7 +5881,7 @@ void SAL_CALL ScCellRangeObj::removeSubTotals() throw(uno::RuntimeException, std
         pDocSh->GetDBData( aRange, SC_DB_MAKE, SC_DBSEL_FORCE_MARK );   // ggf. Bereich anlegen
 
         ScDBDocFunc aFunc(*pDocSh);
-        aFunc.DoSubTotals( nTab, aParam, NULL, true, true );    // Bereich muss angelegt sein
+        aFunc.DoSubTotals( nTab, aParam, nullptr, true, true );    // Bereich muss angelegt sein
     }
 }
 
@@ -5925,7 +5925,7 @@ void SAL_CALL ScCellRangeObj::doImport( const uno::Sequence<beans::PropertyValue
         pDocSh->GetDBData( aRange, SC_DB_MAKE, SC_DBSEL_FORCE_MARK );       // ggf. Bereich anlegen
 
         ScDBDocFunc aFunc(*pDocSh);                         // Bereich muss angelegt sein
-        aFunc.DoImport( nTab, aParam, NULL, true );         //! Api-Flag as parameter
+        aFunc.DoImport( nTab, aParam, nullptr, true );         //! Api-Flag as parameter
     }
 }
 
@@ -5938,7 +5938,7 @@ uno::Reference<container::XIndexAccess> SAL_CALL ScCellRangeObj::getCellFormatRa
     ScDocShell* pDocSh = GetDocShell();
     if ( pDocSh )
         return new ScCellFormatsObj( pDocSh, aRange );
-    return NULL;
+    return nullptr;
 }
 
 // XUniqueCellFormatRangesSupplier
@@ -5950,7 +5950,7 @@ uno::Reference<container::XIndexAccess> SAL_CALL ScCellRangeObj::getUniqueCellFo
     ScDocShell* pDocSh = GetDocShell();
     if ( pDocSh )
         return new ScUniqueCellFormatsObj( pDocSh, aRange );
-    return NULL;
+    return nullptr;
 }
 
 // XPropertySet erweitert fuer Range-Properties
@@ -6619,7 +6619,7 @@ uno::Reference<sheet::XSheetAnnotation> SAL_CALL ScCellObj::getAnnotation()
         return new ScAnnotationObj( pDocSh, aCellPos );
 
     OSL_FAIL("getAnnotation ohne DocShell");
-    return NULL;
+    return nullptr;
 }
 
 // XFieldTypesSupplier
@@ -6635,14 +6635,14 @@ uno::Reference<container::XEnumerationAccess> SAL_CALL ScCellObj::getTextFields(
         return new ScCellFieldsObj(xContent, pDocSh, aCellPos);
     }
 
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<container::XNameAccess> SAL_CALL ScCellObj::getTextFieldMasters()
                                                 throw(uno::RuntimeException, std::exception)
 {
     //  sowas gibts nicht im Calc (?)
-    return NULL;
+    return nullptr;
 }
 
 // XPropertySet erweitert fuer Zell-Properties
@@ -6928,7 +6928,7 @@ uno::Reference<table::XTableCharts> SAL_CALL ScTableSheetObj::getCharts() throw(
         return new ScChartsObj( pDocSh, GetTab_Impl() );
 
     OSL_FAIL("kein Dokument");
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XDataPilotTables> SAL_CALL ScTableSheetObj::getDataPilotTables()
@@ -6940,7 +6940,7 @@ uno::Reference<sheet::XDataPilotTables> SAL_CALL ScTableSheetObj::getDataPilotTa
         return new ScDataPilotTablesObj( pDocSh, GetTab_Impl() );
 
     OSL_FAIL("kein Dokument");
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XScenarios> SAL_CALL ScTableSheetObj::getScenarios() throw(uno::RuntimeException, std::exception)
@@ -6952,7 +6952,7 @@ uno::Reference<sheet::XScenarios> SAL_CALL ScTableSheetObj::getScenarios() throw
         return new ScScenariosObj( pDocSh, GetTab_Impl() );
 
     OSL_FAIL("kein Dokument");
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSheetAnnotations> SAL_CALL ScTableSheetObj::getAnnotations()
@@ -6965,7 +6965,7 @@ uno::Reference<sheet::XSheetAnnotations> SAL_CALL ScTableSheetObj::getAnnotation
         return new ScAnnotationsObj( pDocSh, GetTab_Impl() );
 
     OSL_FAIL("kein Dokument");
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<table::XCellRange> SAL_CALL ScTableSheetObj::getCellRangeByName(
@@ -6986,7 +6986,7 @@ uno::Reference<sheet::XSheetCellCursor> SAL_CALL ScTableSheetObj::createCursor()
         SCTAB nTab = GetTab_Impl();
         return new ScCellCursorObj( pDocSh, ScRange( 0,0,nTab, MAXCOL,MAXROW,nTab ) );
     }
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSheetCellCursor> SAL_CALL ScTableSheetObj::createCursorByRange(
@@ -7005,7 +7005,7 @@ uno::Reference<sheet::XSheetCellCursor> SAL_CALL ScTableSheetObj::createCursorBy
             return new ScCellCursorObj( pDocSh, *rRanges[ 0 ] );
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 // XSheetCellRange
@@ -7180,7 +7180,7 @@ uno::Reference<drawing::XDrawPage> SAL_CALL ScTableSheetObj::getDrawPage()
         //  Das DrawPage-Objekt meldet sich als Listener am SdrModel an
         //  und sollte von dort alle Aktionen mitbekommen
     }
-    return NULL;
+    return nullptr;
 }
 
 // XCellMovement
@@ -7211,7 +7211,7 @@ void SAL_CALL ScTableSheetObj::insertCells( const table::CellRangeAddress& rRang
             OSL_ENSURE( rRangeAddress.Sheet == GetTab_Impl(), "falsche Tabelle in CellRangeAddress" );
             ScRange aScRange;
             ScUnoConversion::FillScRange( aScRange, rRangeAddress );
-            pDocSh->GetDocFunc().InsertCells( aScRange, NULL, eCmd, true, true );
+            pDocSh->GetDocFunc().InsertCells( aScRange, nullptr, eCmd, true, true );
         }
     }
 }
@@ -7242,7 +7242,7 @@ void SAL_CALL ScTableSheetObj::removeRange( const table::CellRangeAddress& rRang
             OSL_ENSURE( rRangeAddress.Sheet == GetTab_Impl(), "falsche Tabelle in CellRangeAddress" );
             ScRange aScRange;
             ScUnoConversion::FillScRange( aScRange, rRangeAddress );
-            pDocSh->GetDocFunc().DeleteCells( aScRange, NULL, eCmd, true, true );
+            pDocSh->GetDocFunc().DeleteCells( aScRange, nullptr, eCmd, true, true );
         }
     }
 }
@@ -7302,7 +7302,7 @@ void ScTableSheetObj::PrintAreaUndo_Impl( ScPrintRangeSaver* pOldRanges )
                     rDoc.CreatePrintRangeSaver())); // create new ranges
 
             // #i120105# ownership of old ranges has changed, mark as consumed
-            pOldRanges = 0;
+            pOldRanges = nullptr;
         }
 
         ScPrintFunc(pDocSh, pDocSh->GetPrinter(), nTab).UpdatePages();
@@ -7358,7 +7358,7 @@ void SAL_CALL ScTableSheetObj::setPrintAreas(
     ScDocShell* pDocSh = GetDocShell();
     if ( pDocSh )
     {
-        ScPrintRangeSaver* pOldRanges = NULL;
+        ScPrintRangeSaver* pOldRanges = nullptr;
         ScDocument& rDoc = pDocSh->GetDocument();
         SCTAB nTab = GetTab_Impl();
 
@@ -7391,7 +7391,7 @@ sal_Bool SAL_CALL ScTableSheetObj::getPrintTitleColumns() throw(uno::RuntimeExce
     {
         ScDocument& rDoc = pDocSh->GetDocument();
         SCTAB nTab = GetTab_Impl();
-        return ( rDoc.GetRepeatColRange(nTab) != NULL );
+        return ( rDoc.GetRepeatColRange(nTab) != nullptr );
     }
     return false;
 }
@@ -7417,7 +7417,7 @@ void SAL_CALL ScTableSheetObj::setPrintTitleColumns( sal_Bool bPrintTitleColumns
             }
         }
         else
-            rDoc.SetRepeatColRange( nTab, NULL );          // abschalten
+            rDoc.SetRepeatColRange( nTab, nullptr );          // abschalten
 
         PrintAreaUndo_Impl( pOldRanges );   // Undo, Umbrueche, Modified etc.
 
@@ -7472,7 +7472,7 @@ sal_Bool SAL_CALL ScTableSheetObj::getPrintTitleRows() throw(uno::RuntimeExcepti
     {
         ScDocument& rDoc = pDocSh->GetDocument();
         SCTAB nTab = GetTab_Impl();
-        return ( rDoc.GetRepeatRowRange(nTab) != NULL );
+        return ( rDoc.GetRepeatRowRange(nTab) != nullptr );
     }
     return false;
 }
@@ -7498,7 +7498,7 @@ void SAL_CALL ScTableSheetObj::setPrintTitleRows( sal_Bool bPrintTitleRows )
             }
         }
         else
-            rDoc.SetRepeatRowRange( nTab, NULL );          // abschalten
+            rDoc.SetRepeatRowRange( nTab, nullptr );          // abschalten
 
         PrintAreaUndo_Impl( pOldRanges );   // Undo, Umbrueche, Modified etc.
 
@@ -8098,7 +8098,7 @@ uno::Reference<container::XNameReplace> SAL_CALL ScTableSheetObj::getEvents() th
     if ( pDocSh )
         return new ScSheetEventsObj( pDocSh, GetTab_Impl() );
 
-    return NULL;
+    return nullptr;
 }
 
 // XPropertySet erweitert fuer Sheet-Properties
@@ -8662,7 +8662,7 @@ const uno::Sequence<sal_Int8>& ScTableSheetObj::getUnoTunnelId()
 
 ScTableSheetObj* ScTableSheetObj::getImplementation(const uno::Reference<uno::XInterface>& rObj)
 {
-    ScTableSheetObj* pRet = NULL;
+    ScTableSheetObj* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScTableSheetObj*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -9049,7 +9049,7 @@ void ScCellsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     else if ( dynamic_cast<const SfxSimpleHint*>(&rHint) &&
             static_cast<const SfxSimpleHint&>(rHint).GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -9061,7 +9061,7 @@ uno::Reference<container::XEnumeration> SAL_CALL ScCellsObj::createEnumeration()
     SolarMutexGuard aGuard;
     if (pDocShell)
         return new ScCellsEnumeration( pDocShell, aRanges );
-    return NULL;
+    return nullptr;
 }
 
 uno::Type SAL_CALL ScCellsObj::getElementType() throw(uno::RuntimeException, std::exception)
@@ -9087,7 +9087,7 @@ sal_Bool SAL_CALL ScCellsObj::hasElements() throw(uno::RuntimeException, std::ex
 ScCellsEnumeration::ScCellsEnumeration(ScDocShell* pDocSh, const ScRangeList& rR) :
     pDocShell( pDocSh ),
     aRanges( rR ),
-    pMark( NULL ),
+    pMark( nullptr ),
     bAtEnd( false )
 {
     ScDocument& rDoc = pDocShell->GetDocument();
@@ -9168,7 +9168,7 @@ void ScCellsEnumeration::Notify( SfxBroadcaster&, const SfxHint& rHint )
                                      pRefHint->GetDx(), pRefHint->GetDy(), pRefHint->GetDz() );
 
             delete pMark;       // aus verschobenen Bereichen neu erzeugen
-            pMark = NULL;
+            pMark = nullptr;
 
             if (!bAtEnd)        // aPos anpassen
             {
@@ -9187,7 +9187,7 @@ void ScCellsEnumeration::Notify( SfxBroadcaster&, const SfxHint& rHint )
     else if ( dynamic_cast<const SfxSimpleHint*>(&rHint) &&
               static_cast<const SfxSimpleHint&>(rHint).GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -9242,7 +9242,7 @@ void ScCellFormatsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     else if ( dynamic_cast<const SfxSimpleHint*>(&rHint) &&
               static_cast<const SfxSimpleHint&>(rHint).GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -9250,7 +9250,7 @@ ScCellRangeObj* ScCellFormatsObj::GetObjectByIndex_Impl(long nIndex) const
 {
     //! direkt auf die AttrArrays zugreifen !!!!
 
-    ScCellRangeObj* pRet = NULL;
+    ScCellRangeObj* pRet = nullptr;
     if (pDocShell)
     {
         ScDocument& rDoc = pDocShell->GetDocument();
@@ -9334,13 +9334,13 @@ uno::Reference<container::XEnumeration> SAL_CALL ScCellFormatsObj::createEnumera
     SolarMutexGuard aGuard;
     if (pDocShell)
         return new ScCellFormatsEnumeration( pDocShell, aTotalRange );
-    return NULL;
+    return nullptr;
 }
 
 ScCellFormatsEnumeration::ScCellFormatsEnumeration(ScDocShell* pDocSh, const ScRange& rRange) :
     pDocShell( pDocSh ),
     nTab( rRange.aStart.Tab() ),
-    pIter( NULL ),
+    pIter( nullptr ),
     bAtEnd( false ),
     bDirty( false )
 {
@@ -9390,7 +9390,7 @@ void ScCellFormatsEnumeration::Advance_Impl()
 
 ScCellRangeObj* ScCellFormatsEnumeration::NextObject_Impl()
 {
-    ScCellRangeObj* pRet = NULL;
+    ScCellRangeObj* pRet = nullptr;
     if (pDocShell && !bAtEnd)
     {
         if ( aNext.aStart == aNext.aEnd )
@@ -9413,9 +9413,9 @@ void ScCellFormatsEnumeration::Notify( SfxBroadcaster&, const SfxHint& rHint )
         sal_uLong nId = static_cast<const SfxSimpleHint&>(rHint).GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            pDocShell = NULL;                       // ungueltig geworden
+            pDocShell = nullptr;                       // ungueltig geworden
             delete pIter;
-            pIter = NULL;
+            pIter = nullptr;
         }
         else if ( nId == SFX_HINT_DATACHANGED )
         {
@@ -9475,7 +9475,7 @@ void ScUniqueCellFormatsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     {
         sal_uLong nId = static_cast<const SfxSimpleHint&>(rHint).GetId();
         if ( nId == SFX_HINT_DYING )
-            pDocShell = NULL;                       // ungueltig geworden
+            pDocShell = nullptr;                       // ungueltig geworden
     }
 }
 
@@ -9704,7 +9704,7 @@ uno::Reference<container::XEnumeration> SAL_CALL ScUniqueCellFormatsObj::createE
     SolarMutexGuard aGuard;
     if (pDocShell)
         return new ScUniqueCellFormatsEnumeration( pDocShell, aRangeLists );
-    return NULL;
+    return nullptr;
 }
 
 ScUniqueCellFormatsEnumeration::ScUniqueCellFormatsEnumeration(ScDocShell* pDocSh, const ScMyRangeLists& rRangeLists) :
@@ -9733,7 +9733,7 @@ void ScUniqueCellFormatsEnumeration::Notify( SfxBroadcaster&, const SfxHint& rHi
     {
         sal_uLong nId = static_cast<const SfxSimpleHint&>(rHint).GetId();
         if ( nId == SFX_HINT_DYING )
-            pDocShell = NULL;                       // ungueltig geworden
+            pDocShell = nullptr;                       // ungueltig geworden
     }
 }
 
diff --git a/sc/source/ui/unoobj/chart2uno.cxx b/sc/source/ui/unoobj/chart2uno.cxx
index fb4746c0ce0d..0ef1b0e2707f 100644
--- a/sc/source/ui/unoobj/chart2uno.cxx
+++ b/sc/source/ui/unoobj/chart2uno.cxx
@@ -140,7 +140,7 @@ OUString lcl_createTableNumberList( const ::std::list< SCTAB > & rTableList )
 uno::Reference< frame::XModel > lcl_GetXModel( ScDocument * pDoc )
 {
     uno::Reference< frame::XModel > xModel;
-    SfxObjectShell * pObjSh( pDoc ? pDoc->GetDocumentShell() : 0 );
+    SfxObjectShell * pObjSh( pDoc ? pDoc->GetDocumentShell() : nullptr );
     if( pObjSh )
         xModel.set( pObjSh->GetModel());
     return xModel;
@@ -1587,7 +1587,7 @@ ScChart2DataProvider::createDataSource(
         if( nOldIndex < aSeqVector.size() )
         {
             pDS->AddLabeledSequence( aSeqVector[nOldIndex] );
-            aSeqVector[nOldIndex] = 0;
+            aSeqVector[nOldIndex] = nullptr;
         }
     }
 
diff --git a/sc/source/ui/unoobj/chartuno.cxx b/sc/source/ui/unoobj/chartuno.cxx
index 58fc2584e4c6..f5a09a4b94ce 100644
--- a/sc/source/ui/unoobj/chartuno.cxx
+++ b/sc/source/ui/unoobj/chartuno.cxx
@@ -84,7 +84,7 @@ static SdrOle2Obj* lcl_FindChartObj( ScDocShell* pDocShell, SCTAB nTab, const OU
             }
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 ScChartsObj::ScChartsObj(ScDocShell* pDocSh, SCTAB nT) :
@@ -109,7 +109,7 @@ void ScChartsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -150,14 +150,14 @@ ScChartObj* ScChartsObj::GetObjectByIndex_Impl(long nIndex) const
 
     if (!aName.isEmpty())
         return new ScChartObj( pDocShell, nTab, aName );
-    return NULL;
+    return nullptr;
 }
 
 ScChartObj* ScChartsObj::GetObjectByName_Impl(const OUString& aName) const
 {
     if ( lcl_FindChartObj( pDocShell, nTab, aName ) )
         return new ScChartObj( pDocShell, nTab, aName );
-    return NULL;
+    return nullptr;
 }
 
 // XTableCharts
@@ -437,7 +437,7 @@ sal_Bool SAL_CALL ScChartsObj::hasByName( const OUString& aName )
                                         throw(uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
-    return ( lcl_FindChartObj( pDocShell, nTab, aName ) != NULL );
+    return ( lcl_FindChartObj( pDocShell, nTab, aName ) != nullptr );
 }
 
 ScChartObj::ScChartObj(ScDocShell* pDocSh, SCTAB nT, const OUString& rN)
@@ -470,7 +470,7 @@ void ScChartObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -528,7 +528,7 @@ void ScChartObj::GetData_Impl( ScRangeListRef& rRanges, bool& rColHeaders, bool&
      }
     if( !bFound )
     {
-        rRanges = 0;
+        rRanges = nullptr;
         rColHeaders = false;
         rRowHeaders = false;
     }
@@ -770,7 +770,7 @@ uno::Reference<lang::XComponent> SAL_CALL ScChartObj::getEmbeddedObject() throw(
         return uno::Reference < lang::XComponent > ( pObject->GetObjRef()->getComponent(), uno::UNO_QUERY );
     }
 
-    return NULL;
+    return nullptr;
 }
 
 // XNamed
diff --git a/sc/source/ui/unoobj/condformatuno.cxx b/sc/source/ui/unoobj/condformatuno.cxx
index e561ddfa1158..ef9542e5ea83 100644
--- a/sc/source/ui/unoobj/condformatuno.cxx
+++ b/sc/source/ui/unoobj/condformatuno.cxx
@@ -327,7 +327,7 @@ void ScCondFormatsObj::Notify(SfxBroadcaster& /*rBC*/, const SfxHint& rHint)
     if ( dynamic_cast<const SfxSimpleHint*>(&rHint) &&
             static_cast<const SfxSimpleHint&>(rHint).GetId() == SFX_HINT_DYING )
     {
-        mpDocShell = NULL;       // ungueltig geworden
+        mpDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -477,7 +477,7 @@ void ScCondFormatObj::createEntry(const sal_Int32 nType, const sal_Int32 nPos)
     if (nPos > sal_Int32(pFormat->size()))
         throw lang::IllegalArgumentException();
 
-    ScFormatEntry* pNewEntry = NULL;
+    ScFormatEntry* pNewEntry = nullptr;
     ScDocument* pDoc = &mpDocShell->GetDocument();
     switch (nType)
     {
diff --git a/sc/source/ui/unoobj/confuno.cxx b/sc/source/ui/unoobj/confuno.cxx
index e4ff166f8e79..ff102347e5b7 100644
--- a/sc/source/ui/unoobj/confuno.cxx
+++ b/sc/source/ui/unoobj/confuno.cxx
@@ -104,7 +104,7 @@ void ScDocumentConfiguration::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
diff --git a/sc/source/ui/unoobj/dapiuno.cxx b/sc/source/ui/unoobj/dapiuno.cxx
index b5e43b94e4cc..8958182dbaf6 100644
--- a/sc/source/ui/unoobj/dapiuno.cxx
+++ b/sc/source/ui/unoobj/dapiuno.cxx
@@ -248,7 +248,7 @@ static ScDPObject* lcl_GetDPObject( ScDocShell* pDocShell, SCTAB nTab, const OUS
             }
         }
     }
-    return NULL;    // nicht gefunden
+    return nullptr;    // nicht gefunden
 }
 
 static OUString lcl_CreatePivotName( ScDocShell* pDocShell )
@@ -302,7 +302,7 @@ void ScDataPilotTablesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -334,14 +334,14 @@ ScDataPilotTableObj* ScDataPilotTablesObj::GetObjectByIndex_Impl( sal_Int32 nInd
             }
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 ScDataPilotTableObj* ScDataPilotTablesObj::GetObjectByName_Impl(const OUString& rName)
 {
     if (hasByName(rName))
         return new ScDataPilotTableObj( pDocShell, nTab, rName );
-    return 0;
+    return nullptr;
 }
 
 Reference<XDataPilotDescriptor> SAL_CALL ScDataPilotTablesObj::createDataPilotDescriptor()
@@ -350,7 +350,7 @@ Reference<XDataPilotDescriptor> SAL_CALL ScDataPilotTablesObj::createDataPilotDe
     SolarMutexGuard aGuard;
     if (pDocShell)
         return new ScDataPilotDescriptor(pDocShell);
-    return NULL;
+    return nullptr;
 }
 
 static bool lcl_IsDuplicated(const Reference<XPropertySet>& rDimProps)
@@ -647,7 +647,7 @@ void ScDataPilotDescriptorBase::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -1045,7 +1045,7 @@ Reference< XDataPilotField > SAL_CALL ScDataPilotDescriptorBase::getDataLayoutFi
             }
         }
     }
-    return 0;
+    return nullptr;
 }
 
 // XUnoTunnel
@@ -1074,7 +1074,7 @@ const Sequence<sal_Int8>& ScDataPilotDescriptorBase::getUnoTunnelId()
 
 ScDataPilotDescriptorBase* ScDataPilotDescriptorBase::getImplementation(const Reference<XDataPilotDescriptor>& rObj )
 {
-    ScDataPilotDescriptorBase* pRet = NULL;
+    ScDataPilotDescriptorBase* pRet = nullptr;
     Reference<lang::XUnoTunnel> xUT(rObj, UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScDataPilotDescriptorBase*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -1379,7 +1379,7 @@ void ScDataPilotTableObj::Refreshed_Impl()
 
 ScDataPilotDescriptor::ScDataPilotDescriptor(ScDocShell* pDocSh) :
     ScDataPilotDescriptorBase( pDocSh ),
-    mpDPObject(new ScDPObject(pDocSh ? &pDocSh->GetDocument() : NULL) )
+    mpDPObject(new ScDPObject(pDocSh ? &pDocSh->GetDocument() : nullptr) )
 {
     ScDPSaveData aSaveData;
     // set defaults like in ScPivotParam constructor
@@ -1388,7 +1388,7 @@ ScDataPilotDescriptor::ScDataPilotDescriptor(ScDocShell* pDocSh) :
     aSaveData.SetIgnoreEmptyRows( false );
     aSaveData.SetRepeatIfEmpty( false );
     mpDPObject->SetSaveData(aSaveData);
-    ScSheetSourceDesc aSheetDesc(pDocSh ? &pDocSh->GetDocument() : NULL);
+    ScSheetSourceDesc aSheetDesc(pDocSh ? &pDocSh->GetDocument() : nullptr);
     mpDPObject->SetSheetDesc(aSheetDesc);
     mpDPObject->GetSource();
 }
@@ -1501,7 +1501,7 @@ ScDPSaveDimension* ScDataPilotChildObjBase::GetDPDimension( ScDPObject** ppDPObj
             }
         }
     }
-    return 0;
+    return nullptr;
 }
 
 sal_Int32 ScDataPilotChildObjBase::GetMemberCount() const
@@ -1693,7 +1693,7 @@ ScDataPilotFieldObj* ScDataPilotFieldsObj::GetObjectByIndex_Impl( sal_Int32 nInd
         if (lcl_GetFieldDataByIndex( pObj->GetSource(), maOrient, nIndex, aFieldId ))
             return new ScDataPilotFieldObj( mrParent, aFieldId, maOrient );
     }
-    return 0;
+    return nullptr;
 }
 
 ScDataPilotFieldObj* ScDataPilotFieldsObj::GetObjectByName_Impl(const OUString& aName) const
@@ -1704,7 +1704,7 @@ ScDataPilotFieldObj* ScDataPilotFieldsObj::GetObjectByName_Impl(const OUString&
         if (lcl_GetFieldDataByName( pDPObj, aName, aFieldId ))
             return new ScDataPilotFieldObj( mrParent, aFieldId, maOrient );
     }
-    return 0;
+    return nullptr;
 }
 
 // XEnumerationAccess
@@ -1787,7 +1787,7 @@ sal_Bool SAL_CALL ScDataPilotFieldsObj::hasByName( const OUString& aName )
 {
     SolarMutexGuard aGuard;
 
-    return GetObjectByName_Impl(aName) != NULL;
+    return GetObjectByName_Impl(aName) != nullptr;
 }
 
 ScDataPilotFieldObj::ScDataPilotFieldObj(
@@ -1835,7 +1835,7 @@ void SAL_CALL ScDataPilotFieldObj::setName(const OUString& rName)
     throw (RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     ScDPSaveDimension* pDim = GetDPDimension( &pDPObj );
     if( pDim && !pDim->IsDataLayout() )
     {
@@ -1895,7 +1895,7 @@ void SAL_CALL ScDataPilotFieldObj::setPropertyValue( const OUString& aPropertyNa
     else if ( aNameString == SC_UNONAME_HASAUTOSHOW )
     {
         if (!cppu::any2bool(aValue))
-            setAutoShowInfo(NULL);
+            setAutoShowInfo(nullptr);
     }
     else if ( aNameString == SC_UNONAME_AUTOSHOW )
     {
@@ -1906,7 +1906,7 @@ void SAL_CALL ScDataPilotFieldObj::setPropertyValue( const OUString& aPropertyNa
     else if ( aNameString == SC_UNONAME_HASLAYOUTINFO )
     {
         if (!cppu::any2bool(aValue))
-            setLayoutInfo(NULL);
+            setLayoutInfo(nullptr);
     }
     else if ( aNameString == SC_UNONAME_LAYOUTINFO )
     {
@@ -1917,7 +1917,7 @@ void SAL_CALL ScDataPilotFieldObj::setPropertyValue( const OUString& aPropertyNa
     else if ( aNameString == SC_UNONAME_HASREFERENCE )
     {
         if (!cppu::any2bool(aValue))
-            setReference(NULL);
+            setReference(nullptr);
     }
     else if ( aNameString == SC_UNONAME_REFERENCE )
     {
@@ -1928,7 +1928,7 @@ void SAL_CALL ScDataPilotFieldObj::setPropertyValue( const OUString& aPropertyNa
     else if ( aNameString == SC_UNONAME_HASSORTINFO )
     {
         if (!cppu::any2bool(aValue))
-            setSortInfo(NULL);
+            setSortInfo(nullptr);
     }
     else if ( aNameString == SC_UNONAME_SORTINFO )
     {
@@ -1939,7 +1939,7 @@ void SAL_CALL ScDataPilotFieldObj::setPropertyValue( const OUString& aPropertyNa
     else if ( aNameString == SC_UNONAME_ISGROUP )
     {
         if (!cppu::any2bool(aValue))
-            setGroupInfo(NULL);
+            setGroupInfo(nullptr);
     }
     else if ( aNameString == SC_UNONAME_GROUPINFO )
     {
@@ -1976,7 +1976,7 @@ Any SAL_CALL ScDataPilotFieldObj::getPropertyValue( const OUString& aPropertyNam
     else if ( aNameString == SC_UNONAME_USESELPAGE )
         aRet <<= false;
     else if ( aNameString == SC_UNONAME_HASAUTOSHOW )
-        aRet <<= (getAutoShowInfo() != NULL);
+        aRet <<= (getAutoShowInfo() != nullptr);
     else if ( aNameString == SC_UNONAME_AUTOSHOW )
     {
         const DataPilotFieldAutoShowInfo* pInfo = getAutoShowInfo();
@@ -1984,7 +1984,7 @@ Any SAL_CALL ScDataPilotFieldObj::getPropertyValue( const OUString& aPropertyNam
             aRet <<= DataPilotFieldAutoShowInfo(*pInfo);
     }
     else if ( aNameString == SC_UNONAME_HASLAYOUTINFO )
-        aRet <<= (getLayoutInfo() != NULL);
+        aRet <<= (getLayoutInfo() != nullptr);
     else if ( aNameString == SC_UNONAME_LAYOUTINFO )
     {
         const DataPilotFieldLayoutInfo* pInfo = getLayoutInfo();
@@ -1992,7 +1992,7 @@ Any SAL_CALL ScDataPilotFieldObj::getPropertyValue( const OUString& aPropertyNam
             aRet <<= DataPilotFieldLayoutInfo(*pInfo);
     }
     else if ( aNameString == SC_UNONAME_HASREFERENCE )
-        aRet <<= (getReference() != NULL);
+        aRet <<= (getReference() != nullptr);
     else if ( aNameString == SC_UNONAME_REFERENCE )
     {
         const DataPilotFieldReference* pRef = getReference();
@@ -2000,7 +2000,7 @@ Any SAL_CALL ScDataPilotFieldObj::getPropertyValue( const OUString& aPropertyNam
             aRet <<= DataPilotFieldReference(*pRef);
     }
     else if ( aNameString == SC_UNONAME_HASSORTINFO )
-        aRet <<= (getSortInfo() != NULL);
+        aRet <<= (getSortInfo() != nullptr);
     else if ( aNameString == SC_UNONAME_SORTINFO )
     {
         const DataPilotFieldSortInfo* pInfo = getSortInfo();
@@ -2047,7 +2047,7 @@ void ScDataPilotFieldObj::setOrientation(DataPilotFieldOrientation eNew)
     if (maOrient.hasValue() && (eNew == maOrient.get< DataPilotFieldOrientation >()))
         return;
 
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         ScDPSaveData* pSaveData = pDPObj->GetSaveData();
@@ -2060,7 +2060,7 @@ void ScDataPilotFieldObj::setOrientation(DataPilotFieldOrientation eNew)
              (eNew == DataPilotFieldOrientation_DATA) )
         {
 
-            ScDPSaveDimension* pNewDim = 0;
+            ScDPSaveDimension* pNewDim = nullptr;
 
             // look for existing duplicate with orientation "hidden"
 
@@ -2118,14 +2118,14 @@ GeneralFunction ScDataPilotFieldObj::getFunction() const
 void ScDataPilotFieldObj::setFunction(GeneralFunction eNewFunc)
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         if( pDim->GetOrientation() != DataPilotFieldOrientation_DATA )
         {
             // for non-data fields, property Function is the subtotals
             if ( eNewFunc == GeneralFunction_NONE )
-                pDim->SetSubTotals( 0, NULL );
+                pDim->SetSubTotals( 0, nullptr );
             else
             {
                 sal_uInt16 nFunc = sal::static_int_cast<sal_uInt16>( eNewFunc );
@@ -2162,7 +2162,7 @@ Sequence< GeneralFunction > ScDataPilotFieldObj::getSubtotals() const
 void ScDataPilotFieldObj::setSubtotals( const Sequence< GeneralFunction >& rSubtotals )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         if( pDim->GetOrientation() != DataPilotFieldOrientation_DATA )
@@ -2172,7 +2172,7 @@ void ScDataPilotFieldObj::setSubtotals( const Sequence< GeneralFunction >& rSubt
             {
                 // count 1: all values are allowed (including NONE and AUTO)
                 if( rSubtotals[ 0 ] == GeneralFunction_NONE )
-                    pDim->SetSubTotals( 0, NULL );
+                    pDim->SetSubTotals( 0, nullptr );
                 else
                 {
                     sal_uInt16 nFunc = sal::static_int_cast<sal_uInt16>( rSubtotals[ 0 ] );
@@ -2196,7 +2196,7 @@ void ScDataPilotFieldObj::setSubtotals( const Sequence< GeneralFunction >& rSubt
                 }
                 // set values from vector to ScDPSaveDimension
                 if ( aSubt.empty() )
-                    pDim->SetSubTotals( 0, NULL );
+                    pDim->SetSubTotals( 0, nullptr );
                 else
                     pDim->SetSubTotals( static_cast< long >( aSubt.size() ), &aSubt.front() );
             }
@@ -2213,7 +2213,7 @@ OUString ScDataPilotFieldObj::getCurrentPage()
 void ScDataPilotFieldObj::setCurrentPage( const OUString& rPage )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         pDim->SetCurrentPage( &rPage );
@@ -2224,7 +2224,7 @@ void ScDataPilotFieldObj::setCurrentPage( const OUString& rPage )
 void ScDataPilotFieldObj::setUseCurrentPage( bool bUse )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         if( bUse )
@@ -2235,7 +2235,7 @@ void ScDataPilotFieldObj::setUseCurrentPage( bool bUse )
             pDim->SetCurrentPage( &aPage );
         }
         else
-            pDim->SetCurrentPage( 0 );
+            pDim->SetCurrentPage( nullptr );
         SetDPObject( pDPObj );
     }
 }
@@ -2244,13 +2244,13 @@ const DataPilotFieldAutoShowInfo* ScDataPilotFieldObj::getAutoShowInfo()
 {
     SolarMutexGuard aGuard;
     ScDPSaveDimension* pDim = GetDPDimension();
-    return pDim ? pDim->GetAutoShowInfo() : 0;
+    return pDim ? pDim->GetAutoShowInfo() : nullptr;
 }
 
 void ScDataPilotFieldObj::setAutoShowInfo( const DataPilotFieldAutoShowInfo* pInfo )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         pDim->SetAutoShowInfo( pInfo );
@@ -2262,13 +2262,13 @@ const DataPilotFieldLayoutInfo* ScDataPilotFieldObj::getLayoutInfo()
 {
     SolarMutexGuard aGuard;
     ScDPSaveDimension* pDim = GetDPDimension();
-    return pDim ? pDim->GetLayoutInfo() : 0;
+    return pDim ? pDim->GetLayoutInfo() : nullptr;
 }
 
 void ScDataPilotFieldObj::setLayoutInfo( const DataPilotFieldLayoutInfo* pInfo )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         pDim->SetLayoutInfo( pInfo );
@@ -2280,13 +2280,13 @@ const DataPilotFieldReference* ScDataPilotFieldObj::getReference()
 {
     SolarMutexGuard aGuard;
     ScDPSaveDimension* pDim = GetDPDimension();
-    return pDim ? pDim->GetReferenceValue() : 0;
+    return pDim ? pDim->GetReferenceValue() : nullptr;
 }
 
 void ScDataPilotFieldObj::setReference( const DataPilotFieldReference* pInfo )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         pDim->SetReferenceValue( pInfo );
@@ -2298,13 +2298,13 @@ const DataPilotFieldSortInfo* ScDataPilotFieldObj::getSortInfo()
 {
     SolarMutexGuard aGuard;
     ScDPSaveDimension* pDim = GetDPDimension();
-    return pDim ? pDim->GetSortInfo() : 0;
+    return pDim ? pDim->GetSortInfo() : nullptr;
 }
 
 void ScDataPilotFieldObj::setSortInfo( const DataPilotFieldSortInfo* pInfo )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         pDim->SetSortInfo( pInfo );
@@ -2322,7 +2322,7 @@ bool ScDataPilotFieldObj::getShowEmpty() const
 void ScDataPilotFieldObj::setShowEmpty( bool bShow )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         pDim->SetShowEmpty( bShow );
@@ -2340,7 +2340,7 @@ bool ScDataPilotFieldObj::getRepeatItemLabels() const
 void ScDataPilotFieldObj::setRepeatItemLabels( bool bShow )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         pDim->SetRepeatItemLabels( bShow );
@@ -2351,7 +2351,7 @@ void ScDataPilotFieldObj::setRepeatItemLabels( bool bShow )
 bool ScDataPilotFieldObj::hasGroupInfo()
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
         if( const ScDPDimensionSaveData* pDimData = pDPObj->GetSaveData()->GetExistingDimensionData() )
             return pDimData->GetNamedGroupDim( pDim->GetName() ) || pDimData->GetNumGroupDim( pDim->GetName() );
@@ -2362,7 +2362,7 @@ DataPilotFieldGroupInfo ScDataPilotFieldObj::getGroupInfo()
 {
     SolarMutexGuard aGuard;
     DataPilotFieldGroupInfo aInfo;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         if( const ScDPDimensionSaveData* pDimData = pDPObj->GetSaveData()->GetExistingDimensionData() )
@@ -2420,7 +2420,7 @@ DataPilotFieldGroupInfo ScDataPilotFieldObj::getGroupInfo()
 void ScDataPilotFieldObj::setGroupInfo( const DataPilotFieldGroupInfo* pInfo )
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( /*ScDPSaveDimension* pDim =*/ GetDPDimension( &pDPObj ) )
     {
         ScDPSaveData* pSaveData = pDPObj->GetSaveData();
@@ -2501,7 +2501,7 @@ void ScDataPilotFieldObj::setGroupInfo( const DataPilotFieldGroupInfo* pInfo )
         }
         else    // null passed as argument
         {
-            pSaveData->SetDimensionData( 0 );
+            pSaveData->SetDimensionData( nullptr );
         }
 
         pDPObj->SetSaveData( *pSaveData );
@@ -2537,7 +2537,7 @@ Reference< XDataPilotField > SAL_CALL ScDataPilotFieldObj::createNameGroup( cons
     if( !rItems.hasElements() )
         throw IllegalArgumentException();
 
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         OUString aDimName = pDim->GetName();
@@ -2582,11 +2582,11 @@ Reference< XDataPilotField > SAL_CALL ScDataPilotFieldObj::createNameGroup( cons
             }
         }
 
-        ScDPSaveGroupDimension* pNewGroupDim = 0;
+        ScDPSaveGroupDimension* pNewGroupDim = nullptr;
         if ( !pGroupDimension )
         {
             // create a new group dimension
-            sNewDim = pDimData->CreateGroupDimName( aBaseDimName, *pDPObj, false, NULL );
+            sNewDim = pDimData->CreateGroupDimName( aBaseDimName, *pDPObj, false, nullptr );
             pNewGroupDim = new ScDPSaveGroupDimension( aBaseDimName, sNewDim );
 
             pGroupDimension = pNewGroupDim;     // make changes to the new dim if none existed
@@ -2658,7 +2658,7 @@ Reference< XDataPilotField > SAL_CALL ScDataPilotFieldObj::createNameGroup( cons
             delete pNewGroupDim;        // AddGroupDimension copies the object
             // don't access pGroupDimension after here
         }
-        pGroupDimension = pNewGroupDim = NULL;
+        pGroupDimension = pNewGroupDim = nullptr;
 
         // set orientation
         ScDPSaveDimension* pSaveDimension = aSaveData.GetDimensionByName( aGroupDimName );
@@ -2714,7 +2714,7 @@ Reference < XDataPilotField > SAL_CALL ScDataPilotFieldObj::createDateGroup( con
         throw IllegalArgumentException();
 
     OUString aGroupDimName;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         ScDPNumGroupInfo aInfo;
@@ -2776,7 +2776,7 @@ Reference < XDataPilotField > SAL_CALL ScDataPilotFieldObj::createDateGroup( con
             else if( (nDateParts & rInfo.GroupBy) == 0 )    // do nothing if date field exists already
             {
                 // create new named group dimension for additional date groups
-                aGroupDimName = rDimData.CreateDateGroupDimName( rInfo.GroupBy, *pDPObj, true, 0 );
+                aGroupDimName = rDimData.CreateDateGroupDimName( rInfo.GroupBy, *pDPObj, true, nullptr );
                 ScDPSaveGroupDimension aGroupDim( aSrcDimName, aGroupDimName, aInfo, rInfo.GroupBy );
                 rDimData.AddGroupDimension( aGroupDim );
 
@@ -3237,7 +3237,7 @@ ScDataPilotItemsObj::~ScDataPilotItemsObj()
 ScDataPilotItemObj* ScDataPilotItemsObj::GetObjectByIndex_Impl( sal_Int32 nIndex ) const
 {
     return ((0 <= nIndex) && (nIndex < GetMemberCount())) ?
-        new ScDataPilotItemObj( mrParent, maFieldId, nIndex ) : 0;
+        new ScDataPilotItemObj( mrParent, maFieldId, nIndex ) : nullptr;
 }
 
 // XNameAccess
@@ -3390,7 +3390,7 @@ void SAL_CALL ScDataPilotItemObj::setPropertyValue( const OUString& aPropertyNam
                RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
-    ScDPObject* pDPObj = 0;
+    ScDPObject* pDPObj = nullptr;
     if( ScDPSaveDimension* pDim = GetDPDimension( &pDPObj ) )
     {
         Reference<XNameAccess> xMembers = GetMembers();
diff --git a/sc/source/ui/unoobj/datauno.cxx b/sc/source/ui/unoobj/datauno.cxx
index 2c98dc3f81b7..5a38f7dd0289 100644
--- a/sc/source/ui/unoobj/datauno.cxx
+++ b/sc/source/ui/unoobj/datauno.cxx
@@ -525,8 +525,8 @@ void SAL_CALL ScSubTotalFieldObj::setSubTotalColumns(
         }
         else
         {
-            aParam.pSubTotals[nPos] = NULL;
-            aParam.pFunctions[nPos] = NULL;
+            aParam.pSubTotals[nPos] = nullptr;
+            aParam.pFunctions[nPos] = nullptr;
         }
     }
     //! sonst Exception oder so? (zuviele Spalten)
@@ -549,7 +549,7 @@ ScSubTotalFieldObj* ScSubTotalDescriptorBase::GetObjectByIndex_Impl(sal_uInt16 n
 {
     if ( nIndex < getCount() )
         return new ScSubTotalFieldObj( this, nIndex );
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL ScSubTotalDescriptorBase::clear() throw(uno::RuntimeException, std::exception)
@@ -604,8 +604,8 @@ void SAL_CALL ScSubTotalDescriptorBase::addNew(
         }
         else
         {
-            aParam.pSubTotals[nPos] = NULL;
-            aParam.pFunctions[nPos] = NULL;
+            aParam.pSubTotals[nPos] = nullptr;
+            aParam.pFunctions[nPos] = nullptr;
         }
     }
     else                                    // too many fields / columns
@@ -779,7 +779,7 @@ const uno::Sequence<sal_Int8>& ScSubTotalDescriptorBase::getUnoTunnelId()
 
 ScSubTotalDescriptorBase* ScSubTotalDescriptorBase::getImplementation(const uno::Reference<sheet::XSubTotalDescriptor>& rObj)
 {
-    ScSubTotalDescriptorBase* pRet = NULL;
+    ScSubTotalDescriptorBase* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScSubTotalDescriptorBase*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -997,7 +997,7 @@ void ScFilterDescriptorBase::Notify( SfxBroadcaster&, const SfxHint& rHint )
         sal_uLong nId = pSimpleHint->GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            pDocSh = NULL;          // invalid
+            pDocSh = nullptr;          // invalid
         }
     }
 }
@@ -1651,7 +1651,7 @@ void ScDatabaseRangeObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     else if ( dynamic_cast<const ScDBRangeRefreshedHint*>(&rHint) )
     {
         ScDBData* pDBData = GetDBData_Impl();
@@ -1667,7 +1667,7 @@ void ScDatabaseRangeObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 
 ScDBData* ScDatabaseRangeObj::GetDBData_Impl() const
 {
-    ScDBData* pRet = NULL;
+    ScDBData* pRet = nullptr;
     if (pDocShell)
     {
         if (bIsUnnamed)
@@ -1919,7 +1919,7 @@ void SAL_CALL ScDatabaseRangeObj::refresh() throw(uno::RuntimeException, std::ex
             SCCOL nDummyCol;
             SCROW nDummyRow;
             pData->GetArea( nTab, nDummyCol,nDummyRow,nDummyCol,nDummyRow );
-            bContinue = aFunc.DoImport( nTab, aImportParam, NULL, true );   //! Api-Flag as parameter
+            bContinue = aFunc.DoImport( nTab, aImportParam, nullptr, true );   //! Api-Flag as parameter
         }
 
         // interne Operationen (sort, query, subtotal) nur, wenn kein Fehler
@@ -1985,7 +1985,7 @@ uno::Reference<table::XCellRange> SAL_CALL ScDatabaseRangeObj::getReferredCells(
         else
             return new ScCellRangeObj( pDocShell, aRange );
     }
-    return NULL;
+    return nullptr;
 }
 
 // XPropertySet
@@ -2048,7 +2048,7 @@ void SAL_CALL ScDatabaseRangeObj::setPropertyValue(
                 aNewData.SetAdvancedQuerySource(&aRange);
             }
             else
-                aNewData.SetAdvancedQuerySource(NULL);
+                aNewData.SetAdvancedQuerySource(nullptr);
         }
         else if (aString == SC_UNONAME_FLTCRT )
         {
@@ -2226,7 +2226,7 @@ void ScDatabaseRangesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -2235,15 +2235,15 @@ void ScDatabaseRangesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 ScDatabaseRangeObj* ScDatabaseRangesObj::GetObjectByIndex_Impl(size_t nIndex)
 {
     if (!pDocShell)
-        return NULL;
+        return nullptr;
 
     ScDBCollection* pNames = pDocShell->GetDocument().GetDBCollection();
     if (!pNames)
-        return NULL;
+        return nullptr;
 
     const ScDBCollection::NamedDBs& rDBs = pNames->getNamedDBs();
     if (rDBs.empty() || nIndex >= rDBs.size())
-        return NULL;
+        return nullptr;
 
     ScDBCollection::NamedDBs::const_iterator itr = rDBs.begin();
     ::std::advance(itr, nIndex); // boundary check is done above.
@@ -2257,7 +2257,7 @@ ScDatabaseRangeObj* ScDatabaseRangesObj::GetObjectByName_Impl(const OUString& aN
         OUString aString(aName);
         return new ScDatabaseRangeObj( pDocShell, aString );
     }
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL ScDatabaseRangesObj::addNewByName( const OUString& aName,
@@ -2397,7 +2397,7 @@ sal_Bool SAL_CALL ScDatabaseRangesObj::hasByName( const OUString& aName )
     {
         ScDBCollection* pNames = pDocShell->GetDocument().GetDBCollection();
         if (pNames)
-            return pNames->getNamedDBs().findByUpperName(ScGlobal::pCharClass->uppercase(aName)) != NULL;
+            return pNames->getNamedDBs().findByUpperName(ScGlobal::pCharClass->uppercase(aName)) != nullptr;
     }
     return false;
 }
@@ -2423,7 +2423,7 @@ void ScUnnamedDatabaseRangesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
diff --git a/sc/source/ui/unoobj/defltuno.cxx b/sc/source/ui/unoobj/defltuno.cxx
index 9e3b939c03d1..f7a02ce8aedd 100644
--- a/sc/source/ui/unoobj/defltuno.cxx
+++ b/sc/source/ui/unoobj/defltuno.cxx
@@ -93,7 +93,7 @@ void ScDocDefaultsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // document gone
+        pDocShell = nullptr;       // document gone
     }
 }
 
@@ -279,7 +279,7 @@ beans::PropertyState SAL_CALL ScDocDefaultsObj::getPropertyState( const OUString
         //  check if pool default is set
 
         ScDocumentPool* pPool = pDocShell->GetDocument().GetPool();
-        if ( pPool->GetPoolDefaultItem( nWID ) != NULL )
+        if ( pPool->GetPoolDefaultItem( nWID ) != nullptr )
             eRet = beans::PropertyState_DIRECT_VALUE;
     }
 
diff --git a/sc/source/ui/unoobj/dispuno.cxx b/sc/source/ui/unoobj/dispuno.cxx
index 4fc02fabc82d..f04281e47c26 100644
--- a/sc/source/ui/unoobj/dispuno.cxx
+++ b/sc/source/ui/unoobj/dispuno.cxx
@@ -84,7 +84,7 @@ void ScDispatchProviderInterceptor::Notify( SfxBroadcaster&, const SfxHint& rHin
 {
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        pViewShell = NULL;
+        pViewShell = nullptr;
 }
 
 // XDispatchProvider
@@ -181,9 +181,9 @@ void SAL_CALL ScDispatchProviderInterceptor::disposing( const lang::EventObject&
         if (xInterceptedComponent.is())
             xInterceptedComponent->removeEventListener(static_cast<lang::XEventListener*>(this));
 
-        m_xMyDispatch = NULL;
+        m_xMyDispatch = nullptr;
     }
-    m_xIntercepted = NULL;
+    m_xIntercepted = nullptr;
 }
 
 ScDispatch::ScDispatch(ScTabViewShell* pViewSh) :
@@ -211,7 +211,7 @@ void ScDispatch::Notify( SfxBroadcaster&, const SfxHint& rHint )
 {
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        pViewShell = NULL;
+        pViewShell = nullptr;
 }
 
 // XDispatch
@@ -380,7 +380,7 @@ void SAL_CALL ScDispatch::disposing( const css::lang::EventObject& rSource )
     for ( size_t n=0; n<aDataSourceListeners.size(); n++ )
         aDataSourceListeners[n]->disposing( aEvent );
 
-    pViewShell = NULL;
+    pViewShell = nullptr;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/unoobj/docuno.cxx b/sc/source/ui/unoobj/docuno.cxx
index 69a5cb3133ae..36ba321ce0e7 100644
--- a/sc/source/ui/unoobj/docuno.cxx
+++ b/sc/source/ui/unoobj/docuno.cxx
@@ -368,8 +368,8 @@ ScModelObj::ScModelObj( ScDocShell* pDocSh ) :
     SfxBaseModel( pDocSh ),
     aPropSet( lcl_GetDocOptPropertyMap() ),
     pDocShell( pDocSh ),
-    pPrintFuncCache( NULL ),
-    pPrinterOptions( NULL ),
+    pPrintFuncCache( nullptr ),
+    pPrinterOptions( nullptr ),
     maChangesListeners( m_aMutex )
 {
     // pDocShell may be NULL if this is the base of a ScDocOptionsObj
@@ -410,7 +410,7 @@ uno::Reference< uno::XAggregation> ScModelObj::GetFormatter()
         }
 
         // beim setDelegator darf die zusaetzliche Ref nicht mehr existieren
-        xFormatter = NULL;
+        xFormatter = nullptr;
 
         if (xNumberAgg.is())
             xNumberAgg->setDelegator( static_cast<cppu::OWeakObject*>(this) );
@@ -423,7 +423,7 @@ ScDocument* ScModelObj::GetDocument() const
 {
     if (pDocShell)
         return &pDocShell->GetDocument();
-    return NULL;
+    return nullptr;
 }
 
 SfxObjectShell* ScModelObj::GetEmbeddedObject() const
@@ -453,7 +453,7 @@ ScSheetSaveData* ScModelObj::GetSheetSaveData()
 {
     if (pDocShell)
         return pDocShell->GetSheetSaveData();
-    return NULL;
+    return nullptr;
 }
 
 void ScModelObj::RepaintRange( const ScRange& rRange )
@@ -724,7 +724,7 @@ OString ScModelObj::getTextSelection(const char* pMimeType, OString& rUsedMimeTy
 
     if (( pShell = dynamic_cast<ScEditShell*>( pViewData->GetViewShell()->GetViewFrame()->GetDispatcher()->GetShell(0) )) )
         xTransferable = pShell->GetEditView()->GetTransferable();
-    else if ( 0 != dynamic_cast<ScDrawTextObjectBar*>( pViewData->GetViewShell()->GetViewFrame()->GetDispatcher()->GetShell(0) ))
+    else if ( nullptr != dynamic_cast<ScDrawTextObjectBar*>( pViewData->GetViewShell()->GetViewFrame()->GetDispatcher()->GetShell(0) ))
     {
         ScDrawView* pView = pViewData->GetScDrawView();
         OutlinerView* pOutView = pView->GetTextEditOutlinerView();
@@ -1034,14 +1034,14 @@ void ScModelObj::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
         sal_uLong nId = pSimpleHint->GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            pDocShell = NULL;       // has become invalid
+            pDocShell = nullptr;       // has become invalid
             if (xNumberAgg.is())
             {
                 SvNumberFormatsSupplierObj* pNumFmt =
                     SvNumberFormatsSupplierObj::getImplementation(
                         uno::Reference<util::XNumberFormatsSupplier>(xNumberAgg, uno::UNO_QUERY) );
                 if ( pNumFmt )
-                    pNumFmt->SetNumberFormatter( NULL );
+                    pNumFmt->SetNumberFormatter( nullptr );
             }
 
             DELETEZ( pPrintFuncCache );     // must be deleted because it has a pointer to the DocShell
@@ -1100,7 +1100,7 @@ uno::Reference<sheet::XSpreadsheets> SAL_CALL ScModelObj::getSheets() throw(uno:
     SolarMutexGuard aGuard;
     if (pDocShell)
         return new ScTableSheetsObj(pDocShell);
-    return NULL;
+    return nullptr;
 }
 
 // XStyleFamiliesSupplier
@@ -1111,14 +1111,14 @@ uno::Reference<container::XNameAccess> SAL_CALL ScModelObj::getStyleFamilies()
     SolarMutexGuard aGuard;
     if (pDocShell)
         return new ScStyleFamiliesObj(pDocShell);
-    return NULL;
+    return nullptr;
 }
 
 // XRenderable
 
 static OutputDevice* lcl_GetRenderDevice( const uno::Sequence<beans::PropertyValue>& rOptions )
 {
-    OutputDevice* pRet = NULL;
+    OutputDevice* pRet = nullptr;
     const beans::PropertyValue* pPropArray = rOptions.getConstArray();
     long nPropCount = rOptions.getLength();
     for (long i = 0; i < nPropCount; i++)
@@ -1285,7 +1285,7 @@ bool ScModelObj::FillRenderMarkData( const uno::Any& aSelection,
         uno::Reference< drawing::XShapes > xShapes( xInterface, uno::UNO_QUERY );
         if ( pSelObj && pSelObj->GetDocShell() == pDocShell )
         {
-            bool bSheet = ( ScTableSheetObj::getImplementation( xInterface ) != NULL );
+            bool bSheet = ( ScTableSheetObj::getImplementation( xInterface ) != nullptr );
             bool bCursor = pSelObj->IsCursorOnly();
             const ScRangeList& rRanges = pSelObj->GetRangeList();
 
@@ -1506,7 +1506,7 @@ uno::Sequence<beans::PropertyValue> SAL_CALL ScModelObj::getRenderer( sal_Int32
     SCTAB nTab = pPrintFuncCache->GetTabForPage( nRenderer );
 
     ScRange aRange;
-    const ScRange* pSelRange = NULL;
+    const ScRange* pSelRange = nullptr;
     if ( aMark.IsMarked() )
     {
         aMark.GetMarkArea( aRange );
@@ -1524,7 +1524,7 @@ uno::Sequence<beans::PropertyValue> SAL_CALL ScModelObj::getRenderer( sal_Int32
     long nDisplayStart = pPrintFuncCache->GetDisplayStart( nTab );
     long nTabStart = pPrintFuncCache->GetTabStart( nTab );
 
-    (void)aFunc.DoPrint( aPage, nTabStart, nDisplayStart, false, NULL );
+    (void)aFunc.DoPrint( aPage, nTabStart, nDisplayStart, false, nullptr );
 
     ScRange aCellRange;
     bool bWasCellRange = aFunc.GetLastSourceRange( aCellRange );
@@ -1592,7 +1592,7 @@ void SAL_CALL ScModelObj::render( sal_Int32 nSelRenderer, const uno::Any& aSelec
     SCTAB nTab = pPrintFuncCache->GetTabForPage( nRenderer );
     ScDocument& rDoc = pDocShell->GetDocument();
 
-    FmFormView* pDrawView = NULL;
+    FmFormView* pDrawView = nullptr;
 
     ScDrawLayer* pModel = rDoc.GetDrawLayer();
 
@@ -1604,7 +1604,7 @@ void SAL_CALL ScModelObj::render( sal_Int32 nSelRenderer, const uno::Any& aSelec
     }
 
     ScRange aRange;
-    const ScRange* pSelRange = NULL;
+    const ScRange* pSelRange = nullptr;
     if ( aMark.IsMarked() )
     {
         aMark.GetMarkArea( aRange );
@@ -1654,7 +1654,7 @@ void SAL_CALL ScModelObj::render( sal_Int32 nSelRenderer, const uno::Any& aSelec
         }
     }
 
-    (void)aFunc.DoPrint( aPage, nTabStart, nDisplayStart, true, NULL );
+    (void)aFunc.DoPrint( aPage, nTabStart, nDisplayStart, true, nullptr );
 
     //  resolve the hyperlinks for PDF export
 
@@ -1761,7 +1761,7 @@ uno::Reference<container::XNameAccess> SAL_CALL ScModelObj::getLinks() throw(uno
     SolarMutexGuard aGuard;
     if (pDocShell)
         return new ScLinkTargetTypesObj(pDocShell);
-    return NULL;
+    return nullptr;
 }
 
 // XActionLockable
@@ -1926,7 +1926,7 @@ uno::Reference<drawing::XDrawPages> SAL_CALL ScModelObj::getDrawPages() throw(un
         return new ScDrawPagesObj(pDocShell);
 
     OSL_FAIL("keine DocShell");     //! Exception oder so?
-    return NULL;
+    return nullptr;
 }
 
 // XGoalSeek
@@ -2307,7 +2307,7 @@ uno::Any SAL_CALL ScModelObj::getPropertyValue( const OUString& aPropertyName )
         }
         else if ( aString == SC_UNO_HASDRAWPAGES )
         {
-            ScUnoHelpFunctions::SetBoolInAny( aRet, (pDocShell->GetDocument().GetDrawLayer() != 0) );
+            ScUnoHelpFunctions::SetBoolInAny( aRet, (pDocShell->GetDocument().GetDrawLayer() != nullptr) );
         }
         else if ( aString == SC_UNO_BASICLIBRARIES )
         {
@@ -2446,7 +2446,7 @@ css::uno::Reference<css::uno::XInterface> ScModelObj::create(
 
         try
         {
-            xRet = arguments == 0
+            xRet = arguments == nullptr
                 ? SvxFmMSFactory::createInstance(aServiceSpecifier)
                 : SvxFmMSFactory::createInstanceWithArguments(
                     aServiceSpecifier, *arguments);
@@ -2475,7 +2475,7 @@ uno::Reference<uno::XInterface> SAL_CALL ScModelObj::createInstance(
                                 throw(uno::Exception, uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
-    return create(aServiceSpecifier, 0);
+    return create(aServiceSpecifier, nullptr);
 }
 
 uno::Reference<uno::XInterface> SAL_CALL ScModelObj::createInstanceWithArguments(
@@ -2593,7 +2593,7 @@ const uno::Sequence<sal_Int8>& ScModelObj::getUnoTunnelId()
 
 ScModelObj* ScModelObj::getImplementation(const uno::Reference<uno::XInterface>& rObj)
 {
-    ScModelObj* pRet = NULL;
+    ScModelObj* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScModelObj*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -2958,7 +2958,7 @@ void ScDrawPagesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -2978,7 +2978,7 @@ uno::Reference<drawing::XDrawPage> ScDrawPagesObj::GetObjectByIndex_Impl(sal_Int
             }
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 // XDrawPages
@@ -3070,7 +3070,7 @@ void ScTableSheetsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -3081,7 +3081,7 @@ ScTableSheetObj* ScTableSheetsObj::GetObjectByIndex_Impl(sal_Int32 nIndex) const
     if ( pDocShell && nIndex >= 0 && nIndex < pDocShell->GetDocument().GetTableCount() )
         return new ScTableSheetObj( pDocShell, static_cast<SCTAB>(nIndex) );
 
-    return NULL;
+    return nullptr;
 }
 
 ScTableSheetObj* ScTableSheetsObj::GetObjectByName_Impl(const OUString& aName) const
@@ -3092,7 +3092,7 @@ ScTableSheetObj* ScTableSheetsObj::GetObjectByName_Impl(const OUString& aName) c
         if ( pDocShell->GetDocument().GetTable( aName, nIndex ) )
             return new ScTableSheetObj( pDocShell, nIndex );
     }
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL ScTableSheetsObj::insertNewByName( const OUString& aName, sal_Int16 nPosition )
@@ -3482,7 +3482,7 @@ void ScTableColumnsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     else if ( dynamic_cast<const SfxSimpleHint*>(&rHint) &&
             static_cast<const SfxSimpleHint&>(rHint).GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -3494,7 +3494,7 @@ ScTableColumnObj* ScTableColumnsObj::GetObjectByIndex_Impl(sal_Int32 nIndex) con
     if ( pDocShell && nCol <= nEndCol )
         return new ScTableColumnObj( pDocShell, nCol, nTab );
 
-    return NULL;    // falscher Index
+    return nullptr;    // falscher Index
 }
 
 ScTableColumnObj* ScTableColumnsObj::GetObjectByName_Impl(const OUString& aName) const
@@ -3505,7 +3505,7 @@ ScTableColumnObj* ScTableColumnsObj::GetObjectByName_Impl(const OUString& aName)
         if ( pDocShell && nCol >= nStartCol && nCol <= nEndCol )
             return new ScTableColumnObj( pDocShell, nCol, nTab );
 
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL ScTableColumnsObj::insertByIndex( sal_Int32 nPosition, sal_Int32 nCount )
@@ -3518,7 +3518,7 @@ void SAL_CALL ScTableColumnsObj::insertByIndex( sal_Int32 nPosition, sal_Int32 n
     {
         ScRange aRange( (SCCOL)(nStartCol+nPosition), 0, nTab,
                         (SCCOL)(nStartCol+nPosition+nCount-1), MAXROW, nTab );
-        bDone = pDocShell->GetDocFunc().InsertCells( aRange, NULL, INS_INSCOLS_BEFORE, true, true );
+        bDone = pDocShell->GetDocFunc().InsertCells( aRange, nullptr, INS_INSCOLS_BEFORE, true, true );
     }
     if (!bDone)
         throw uno::RuntimeException();      // no other exceptions specified
@@ -3534,7 +3534,7 @@ void SAL_CALL ScTableColumnsObj::removeByIndex( sal_Int32 nIndex, sal_Int32 nCou
     {
         ScRange aRange( (SCCOL)(nStartCol+nIndex), 0, nTab,
                         (SCCOL)(nStartCol+nIndex+nCount-1), MAXROW, nTab );
-        bDone = pDocShell->GetDocFunc().DeleteCells( aRange, NULL, DEL_DELCOLS, true, true );
+        bDone = pDocShell->GetDocFunc().DeleteCells( aRange, nullptr, DEL_DELCOLS, true, true );
     }
     if (!bDone)
         throw uno::RuntimeException();      // no other exceptions specified
@@ -3750,7 +3750,7 @@ void ScTableRowsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     else if ( dynamic_cast<const SfxSimpleHint*>(&rHint) &&
             static_cast<const SfxSimpleHint&>(rHint).GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -3762,7 +3762,7 @@ ScTableRowObj* ScTableRowsObj::GetObjectByIndex_Impl(sal_Int32 nIndex) const
     if ( pDocShell && nRow <= nEndRow )
         return new ScTableRowObj( pDocShell, nRow, nTab );
 
-    return NULL;    // falscher Index
+    return nullptr;    // falscher Index
 }
 
 void SAL_CALL ScTableRowsObj::insertByIndex( sal_Int32 nPosition, sal_Int32 nCount )
@@ -3775,7 +3775,7 @@ void SAL_CALL ScTableRowsObj::insertByIndex( sal_Int32 nPosition, sal_Int32 nCou
     {
         ScRange aRange( 0, (SCROW)(nStartRow+nPosition), nTab,
                         MAXCOL, (SCROW)(nStartRow+nPosition+nCount-1), nTab );
-        bDone = pDocShell->GetDocFunc().InsertCells( aRange, NULL, INS_INSROWS_BEFORE, true, true );
+        bDone = pDocShell->GetDocFunc().InsertCells( aRange, nullptr, INS_INSROWS_BEFORE, true, true );
     }
     if (!bDone)
         throw uno::RuntimeException();      // no other exceptions specified
@@ -3791,7 +3791,7 @@ void SAL_CALL ScTableRowsObj::removeByIndex( sal_Int32 nIndex, sal_Int32 nCount
     {
         ScRange aRange( 0, (SCROW)(nStartRow+nIndex), nTab,
                         MAXCOL, (SCROW)(nStartRow+nIndex+nCount-1), nTab );
-        bDone = pDocShell->GetDocFunc().DeleteCells( aRange, NULL, DEL_DELROWS, true, true );
+        bDone = pDocShell->GetDocFunc().DeleteCells( aRange, nullptr, DEL_DELROWS, true, true );
     }
     if (!bDone)
         throw uno::RuntimeException();      // no other exceptions specified
@@ -3972,7 +3972,7 @@ uno::Any SAL_CALL ScTableRowsObj::getPropertyValue( const OUString& aPropertyNam
     else if ( aNameString == SC_UNONAME_CELLVIS )
     {
         SCROW nLastRow;
-        bool bVis = !rDoc.RowHidden(nStartRow, nTab, NULL, &nLastRow);
+        bool bVis = !rDoc.RowHidden(nStartRow, nTab, nullptr, &nLastRow);
         ScUnoHelpFunctions::SetBoolInAny( aAny, bVis );
     }
     else if ( aNameString == SC_UNONAME_CELLFILT )
@@ -4025,7 +4025,7 @@ void ScSpreadsheetSettingsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -4035,7 +4035,7 @@ uno::Reference<beans::XPropertySetInfo> SAL_CALL ScSpreadsheetSettingsObj::getPr
                                                         throw(uno::RuntimeException, std::exception)
 {
     //! muss noch
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL ScSpreadsheetSettingsObj::setPropertyValue(
@@ -4079,7 +4079,7 @@ void ScAnnotationsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -4101,7 +4101,7 @@ ScAnnotationObj* ScAnnotationsObj::GetObjectByIndex_Impl( sal_Int32 nIndex ) con
         if ( GetAddressByIndex_Impl( nIndex, aPos ) )
             return new ScAnnotationObj( pDocShell, aPos );
     }
-    return NULL;
+    return nullptr;
 }
 
 // XSheetAnnotations
@@ -4115,7 +4115,7 @@ void SAL_CALL ScAnnotationsObj::insertNew(
     {
         OSL_ENSURE( aPosition.Sheet == nTab, "addAnnotation mit falschem Sheet" );
         ScAddress aPos( (SCCOL)aPosition.Column, (SCROW)aPosition.Row, nTab );
-        pDocShell->GetDocFunc().ReplaceNote( aPos, rText, 0, 0, true );
+        pDocShell->GetDocFunc().ReplaceNote( aPos, rText, nullptr, nullptr, true );
     }
 }
 
@@ -4213,7 +4213,7 @@ void ScScenariosObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     else if ( dynamic_cast<const SfxSimpleHint*>(&rHint) &&
             static_cast<const SfxSimpleHint&>(rHint).GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -4246,7 +4246,7 @@ ScTableSheetObj* ScScenariosObj::GetObjectByIndex_Impl(sal_Int32 nIndex)
     if ( pDocShell && nIndex >= 0 && nIndex < nCount )
         return new ScTableSheetObj( pDocShell, nTab+static_cast<SCTAB>(nIndex)+1 );
 
-    return NULL;    // kein Dokument oder falscher Index
+    return nullptr;    // kein Dokument oder falscher Index
 }
 
 ScTableSheetObj* ScScenariosObj::GetObjectByName_Impl(const OUString& aName)
@@ -4255,7 +4255,7 @@ ScTableSheetObj* ScScenariosObj::GetObjectByName_Impl(const OUString& aName)
     if ( pDocShell && GetScenarioIndex_Impl( aName, nIndex ) )
         return new ScTableSheetObj( pDocShell, nTab+nIndex+1 );
 
-    return NULL;    // nicht gefunden
+    return nullptr;    // nicht gefunden
 }
 
 void SAL_CALL ScScenariosObj::addNewByName( const OUString& aName,
diff --git a/sc/source/ui/unoobj/drdefuno.cxx b/sc/source/ui/unoobj/drdefuno.cxx
index 8aa5ca94af51..fcfbfc3fb91e 100644
--- a/sc/source/ui/unoobj/drdefuno.cxx
+++ b/sc/source/ui/unoobj/drdefuno.cxx
@@ -24,7 +24,7 @@
 using namespace ::com::sun::star;
 
 ScDrawDefaultsObj::ScDrawDefaultsObj(ScDocShell* pDocSh) :
-    SvxUnoDrawPool( NULL ),
+    SvxUnoDrawPool( nullptr ),
     pDocShell( pDocSh )
 {
     //  SvxUnoDrawPool is initialized without model,
@@ -46,13 +46,13 @@ void ScDrawDefaultsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // document gone
+        pDocShell = nullptr;       // document gone
     }
 }
 
 SfxItemPool* ScDrawDefaultsObj::getModelPool( bool bReadOnly ) throw()
 {
-    SfxItemPool* pRet = NULL;
+    SfxItemPool* pRet = nullptr;
 
     try
     {
diff --git a/sc/source/ui/unoobj/editsrc.cxx b/sc/source/ui/unoobj/editsrc.cxx
index 892708d78fb1..219d74b7b559 100644
--- a/sc/source/ui/unoobj/editsrc.cxx
+++ b/sc/source/ui/unoobj/editsrc.cxx
@@ -110,8 +110,8 @@ ScEditEngineDefaulter* ScCellEditSource::GetEditEngine()
 ScAnnotationEditSource::ScAnnotationEditSource(ScDocShell* pDocSh, const ScAddress& rP) :
     pDocShell( pDocSh ),
     aCellPos( rP ),
-    pEditEngine( NULL ),
-    pForwarder( NULL ),
+    pEditEngine( nullptr ),
+    pForwarder( nullptr ),
     bDataValid( false )
 {
     if (pDocShell)
@@ -137,7 +137,7 @@ SvxEditSource* ScAnnotationEditSource::Clone() const
 SdrObject* ScAnnotationEditSource::GetCaptionObj()
 {
     ScPostIt* pNote = pDocShell->GetDocument().GetNote(aCellPos);
-    return pNote ? pNote->GetOrCreateCaption( aCellPos ) : 0;
+    return pNote ? pNote->GetOrCreateCaption( aCellPos ) : nullptr;
 }
 
 SvxTextForwarder* ScAnnotationEditSource::GetTextForwarder()
@@ -205,7 +205,7 @@ void ScAnnotationEditSource::Notify( SfxBroadcaster&, const SfxHint& rHint )
         sal_uLong nId = static_cast<const SfxSimpleHint&>(rHint).GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            pDocShell = NULL;                       // ungueltig geworden
+            pDocShell = nullptr;                       // ungueltig geworden
 
             DELETEZ( pForwarder );
             DELETEZ( pEditEngine );     // EditEngine uses document's pool
diff --git a/sc/source/ui/unoobj/eventuno.cxx b/sc/source/ui/unoobj/eventuno.cxx
index 01e42c44a982..4edcceb92672 100644
--- a/sc/source/ui/unoobj/eventuno.cxx
+++ b/sc/source/ui/unoobj/eventuno.cxx
@@ -49,7 +49,7 @@ void ScSheetEventsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        mpDocShell = NULL;
+        mpDocShell = nullptr;
     }
 }
 
@@ -109,7 +109,7 @@ void SAL_CALL ScSheetEventsObj::replaceByName( const OUString& aName, const uno:
     if (!aScript.isEmpty())
         aNewEvents.SetScript( nEvent, &aScript );
     else
-        aNewEvents.SetScript( nEvent, NULL );       // reset
+        aNewEvents.SetScript( nEvent, nullptr );       // reset
 
     mpDocShell->GetDocument().SetSheetEvents( mnTab, &aNewEvents );
     mpDocShell->SetDocumentModified();
@@ -125,7 +125,7 @@ uno::Any SAL_CALL ScSheetEventsObj::getByName( const OUString& aName )
     if (nEvent == ScSheetEventId::NOTFOUND)
         throw container::NoSuchElementException();
 
-    const OUString* pScript = NULL;
+    const OUString* pScript = nullptr;
     if (mpDocShell)
     {
         const ScSheetEvents* pEvents = mpDocShell->GetDocument().GetSheetEvents(mnTab);
diff --git a/sc/source/ui/unoobj/filtuno.cxx b/sc/source/ui/unoobj/filtuno.cxx
index 69336affb287..bcb87b94998f 100644
--- a/sc/source/ui/unoobj/filtuno.cxx
+++ b/sc/source/ui/unoobj/filtuno.cxx
@@ -180,7 +180,7 @@ sal_Int16 SAL_CALL ScFilterOptionsObj::execute() throw(uno::RuntimeException, st
         if ( xInputStream.is() )
             pInStream.reset(utl::UcbStreamHelper::CreateStream( xInputStream ));
 
-        std::unique_ptr<AbstractScImportAsciiDlg> pDlg(pFact->CreateScImportAsciiDlg( NULL, aPrivDatName, pInStream.get(), SC_IMPORTFILE));
+        std::unique_ptr<AbstractScImportAsciiDlg> pDlg(pFact->CreateScImportAsciiDlg( nullptr, aPrivDatName, pInStream.get(), SC_IMPORTFILE));
         OSL_ENSURE(pDlg, "Dialog create fail!");
         if ( pDlg->Execute() == RET_OK )
         {
@@ -199,7 +199,7 @@ sal_Int16 SAL_CALL ScFilterOptionsObj::execute() throw(uno::RuntimeException, st
         {
             // HTML import.
             std::unique_ptr<AbstractScTextImportOptionsDlg> pDlg(
-                pFact->CreateScTextImportOptionsDlg(NULL));
+                pFact->CreateScTextImportOptionsDlg(nullptr));
 
             if (pDlg->Execute() == RET_OK)
             {
@@ -281,7 +281,7 @@ sal_Int16 SAL_CALL ScFilterOptionsObj::execute() throw(uno::RuntimeException, st
 
         ScImportOptions aOptions( cAsciiDel, cStrDel, eEncoding);
 
-        std::unique_ptr<AbstractScImportOptionsDlg> pDlg(pFact->CreateScImportOptionsDlg(NULL,
+        std::unique_ptr<AbstractScImportOptionsDlg> pDlg(pFact->CreateScImportOptionsDlg(nullptr,
                                                                             bAscii, &aOptions, &aTitle, bMultiByte, bDBEnc,
                                                                             !bExport));
         OSL_ENSURE(pDlg, "Dialog create fail!");
diff --git a/sc/source/ui/unoobj/fmtuno.cxx b/sc/source/ui/unoobj/fmtuno.cxx
index 02cf321ed616..4a66d9f712f3 100644
--- a/sc/source/ui/unoobj/fmtuno.cxx
+++ b/sc/source/ui/unoobj/fmtuno.cxx
@@ -245,7 +245,7 @@ void ScTableConditionalFormat::AddEntry_Impl(const ScCondFormatEntryItem& aEntry
 
 ScTableConditionalEntry* ScTableConditionalFormat::GetObjectByIndex_Impl(sal_uInt16 nIndex) const
 {
-    return nIndex < aEntries.size() ? aEntries[nIndex] : NULL;
+    return nIndex < aEntries.size() ? aEntries[nIndex] : nullptr;
 }
 
 void SAL_CALL ScTableConditionalFormat::addNew(
@@ -492,7 +492,7 @@ const uno::Sequence<sal_Int8>& ScTableConditionalFormat::getUnoTunnelId()
 
 ScTableConditionalFormat* ScTableConditionalFormat::getImplementation(const uno::Reference<sheet::XSheetConditionalEntries>& rObj)
 {
-    ScTableConditionalFormat* pRet = NULL;
+    ScTableConditionalFormat* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScTableConditionalFormat*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -1017,7 +1017,7 @@ const uno::Sequence<sal_Int8>& ScTableValidationObj::getUnoTunnelId()
 
 ScTableValidationObj* ScTableValidationObj::getImplementation(const uno::Reference<beans::XPropertySet>& rObj)
 {
-    ScTableValidationObj* pRet = NULL;
+    ScTableValidationObj* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScTableValidationObj*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
diff --git a/sc/source/ui/unoobj/forbiuno.cxx b/sc/source/ui/unoobj/forbiuno.cxx
index c6fe2d438d9b..708543bd58e3 100644
--- a/sc/source/ui/unoobj/forbiuno.cxx
+++ b/sc/source/ui/unoobj/forbiuno.cxx
@@ -64,7 +64,7 @@ void ScForbiddenCharsObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // document gone
+        pDocShell = nullptr;       // document gone
     }
 }
 
diff --git a/sc/source/ui/unoobj/funcuno.cxx b/sc/source/ui/unoobj/funcuno.cxx
index 84ed978b6295..5dc09a3d9c66 100644
--- a/sc/source/ui/unoobj/funcuno.cxx
+++ b/sc/source/ui/unoobj/funcuno.cxx
@@ -80,7 +80,7 @@ ScDocument* ScTempDocSource::CreateDocument()
 
 ScTempDocSource::ScTempDocSource( ScTempDocCache& rDocCache ) :
     rCache( rDocCache ),
-    pTempDoc( NULL )
+    pTempDoc( nullptr )
 {
     if ( rCache.IsInUse() )
         pTempDoc = CreateDocument();
@@ -109,7 +109,7 @@ ScDocument* ScTempDocSource::GetDocument()
 }
 
 ScTempDocCache::ScTempDocCache() :
-    pDoc( NULL ),
+    pDoc( nullptr ),
     bInUse( false )
 {
 }
@@ -130,7 +130,7 @@ void ScTempDocCache::Clear()
 {
     OSL_ENSURE( !bInUse, "ScTempDocCache::Clear: bInUse" );
     delete pDoc;
-    pDoc = NULL;
+    pDoc = nullptr;
 }
 
 //  copy results from one document into another
@@ -167,14 +167,14 @@ static bool lcl_CopyData( ScDocument* pSrcDoc, const ScRange& rSrcRange,
     ScMarkData aDestMark;
     aDestMark.SelectOneTable( nDestTab );
     aDestMark.SetMarkArea( aNewRange );
-    pDestDoc->CopyFromClip( aNewRange, aDestMark, InsertDeleteFlags::ALL & ~InsertDeleteFlags::FORMULA, NULL, pClipDoc, false );
+    pDestDoc->CopyFromClip( aNewRange, aDestMark, InsertDeleteFlags::ALL & ~InsertDeleteFlags::FORMULA, nullptr, pClipDoc, false );
 
     delete pClipDoc;
     return true;
 }
 
 ScFunctionAccess::ScFunctionAccess() :
-    pOptions( NULL ),
+    pOptions( nullptr ),
     aPropertyMap( ScDocOptionsHelper::GetPropertyMap() ),
     mbArray( true ),    // default according to behaviour of older Office versions
     mbValid( true )
@@ -620,7 +620,7 @@ uno::Any SAL_CALL ScFunctionAccess::callFunction( const OUString& aName,
         //  call GetMatrix before GetErrCode because GetMatrix always recalculates
         //  if there is no matrix result
 
-        const ScMatrix* pMat = (mbArray && pFormula) ? pFormula->GetMatrix() : 0;
+        const ScMatrix* pMat = (mbArray && pFormula) ? pFormula->GetMatrix() : nullptr;
         sal_uInt16 nErrCode = pFormula ? pFormula->GetErrCode() : errIllegalArgument;
         if ( nErrCode == 0 )
         {
diff --git a/sc/source/ui/unoobj/linkuno.cxx b/sc/source/ui/unoobj/linkuno.cxx
index 5d2694e75757..d4d388b0c320 100644
--- a/sc/source/ui/unoobj/linkuno.cxx
+++ b/sc/source/ui/unoobj/linkuno.cxx
@@ -97,7 +97,7 @@ void ScSheetLinkObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     if ( pSimpleHint )
     {
         if ( pSimpleHint->GetId() == SFX_HINT_DYING )
-            pDocShell = NULL;       // pointer is invalid
+            pDocShell = nullptr;       // pointer is invalid
     }
     else if ( dynamic_cast<const ScLinkRefreshedHint*>(&rHint) )
     {
@@ -124,7 +124,7 @@ ScTableLink* ScSheetLinkObj::GetLink_Impl() const
             }
         }
     }
-    return NULL;    // nicht gefunden
+    return nullptr;    // nicht gefunden
 }
 
 // XNamed
@@ -149,7 +149,7 @@ void SAL_CALL ScSheetLinkObj::refresh()
     SolarMutexGuard aGuard;
     ScTableLink* pLink = GetLink_Impl();
     if (pLink)
-        pLink->Refresh( pLink->GetFileName(), pLink->GetFilterName(), NULL, pLink->GetRefreshDelay() );
+        pLink->Refresh( pLink->GetFileName(), pLink->GetFilterName(), nullptr, pLink->GetRefreshDelay() );
 }
 
 void SAL_CALL ScSheetLinkObj::addRefreshListener(
@@ -330,7 +330,7 @@ void ScSheetLinkObj::setFilter(const OUString& Filter)
     if (pLink)
     {
         OUString aFilterStr(Filter);
-        pLink->Refresh( aFileName, aFilterStr, NULL, pLink->GetRefreshDelay() );
+        pLink->Refresh( aFileName, aFilterStr, nullptr, pLink->GetRefreshDelay() );
     }
 }
 
@@ -392,7 +392,7 @@ void ScSheetLinksObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -401,7 +401,7 @@ void ScSheetLinksObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 ScSheetLinkObj* ScSheetLinksObj::GetObjectByIndex_Impl(sal_Int32 nIndex)
 {
     if (!pDocShell)
-        return NULL;
+        return nullptr;
 
     typedef std::unordered_set<OUString, OUStringHash> StrSetType;
     StrSetType aNames;
@@ -423,7 +423,7 @@ ScSheetLinkObj* ScSheetLinksObj::GetObjectByIndex_Impl(sal_Int32 nIndex)
         }
     }
 
-    return NULL;    // kein Dokument oder Index zu gross
+    return nullptr;    // kein Dokument oder Index zu gross
 }
 
 ScSheetLinkObj* ScSheetLinksObj::GetObjectByName_Impl(const OUString& aName)
@@ -446,7 +446,7 @@ ScSheetLinkObj* ScSheetLinksObj::GetObjectByName_Impl(const OUString& aName)
             }
     }
 
-    return NULL;
+    return nullptr;
 }
 
 // XEnumerationAccess
@@ -593,7 +593,7 @@ static ScAreaLink* lcl_GetAreaLink( ScDocShell* pDocShell, size_t nPos )
             }
         }
     }
-    return NULL;    // nicht gefunden
+    return nullptr;    // nicht gefunden
 }
 
 ScAreaLinkObj::ScAreaLinkObj(ScDocShell* pDocSh, size_t nP) :
@@ -621,7 +621,7 @@ void ScAreaLinkObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     if ( pSimpleHint )
     {
         if ( pSimpleHint->GetId() == SFX_HINT_DYING )
-            pDocShell = NULL;       // pointer is invalid
+            pDocShell = nullptr;       // pointer is invalid
     }
     else if ( dynamic_cast<const ScLinkRefreshedHint*>(&rHint) )
     {
@@ -657,7 +657,7 @@ void ScAreaLinkObj::Modify_Impl( const OUString* pNewFile, const OUString* pNewF
 
         sfx2::LinkManager* pLinkManager = pDocShell->GetDocument().GetLinkManager();
         pLinkManager->Remove( pLink );
-        pLink = NULL;   // bei Remove geloescht
+        pLink = nullptr;   // bei Remove geloescht
 
         bool bFitBlock = true;          // verschieben, wenn durch Update Groesse geaendert
         if (pNewFile)
@@ -827,7 +827,7 @@ OUString ScAreaLinkObj::getFileName() const
 void ScAreaLinkObj::setFileName(const OUString& rNewName)
 {
     SolarMutexGuard aGuard;
-    Modify_Impl( &rNewName, NULL, NULL, NULL, NULL );
+    Modify_Impl( &rNewName, nullptr, nullptr, nullptr, nullptr );
 }
 
 OUString ScAreaLinkObj::getFilter() const
@@ -843,7 +843,7 @@ OUString ScAreaLinkObj::getFilter() const
 void ScAreaLinkObj::setFilter(const OUString& Filter)
 {
     SolarMutexGuard aGuard;
-    Modify_Impl( NULL, &Filter, NULL, NULL, NULL );
+    Modify_Impl( nullptr, &Filter, nullptr, nullptr, nullptr );
 }
 
 OUString ScAreaLinkObj::getFilterOptions() const
@@ -859,7 +859,7 @@ OUString ScAreaLinkObj::getFilterOptions() const
 void ScAreaLinkObj::setFilterOptions(const OUString& FilterOptions)
 {
     SolarMutexGuard aGuard;
-    Modify_Impl( NULL, NULL, &FilterOptions, NULL, NULL );
+    Modify_Impl( nullptr, nullptr, &FilterOptions, nullptr, nullptr );
 }
 
 sal_Int32 ScAreaLinkObj::getRefreshDelay() const
@@ -894,7 +894,7 @@ void SAL_CALL ScAreaLinkObj::setSourceArea( const OUString& aSourceArea )
                                             throw(uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
-    Modify_Impl( NULL, NULL, NULL, &aSourceArea, NULL );
+    Modify_Impl( nullptr, nullptr, nullptr, &aSourceArea, nullptr );
 }
 
 table::CellRangeAddress SAL_CALL ScAreaLinkObj::getDestArea() throw(uno::RuntimeException, std::exception)
@@ -911,7 +911,7 @@ void SAL_CALL ScAreaLinkObj::setDestArea( const table::CellRangeAddress& aDestAr
                                             throw(uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
-    Modify_Impl( NULL, NULL, NULL, NULL, &aDestArea );
+    Modify_Impl( nullptr, nullptr, nullptr, nullptr, &aDestArea );
 }
 
 ScAreaLinksObj::ScAreaLinksObj(ScDocShell* pDocSh) :
@@ -935,7 +935,7 @@ void ScAreaLinksObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -946,7 +946,7 @@ ScAreaLinkObj* ScAreaLinksObj::GetObjectByIndex_Impl(sal_Int32 nIndex)
     if ( pDocShell && nIndex >= 0 && nIndex < getCount() )
         return new ScAreaLinkObj( pDocShell, (size_t)nIndex );
 
-    return NULL;    // nicht gefunden
+    return nullptr;    // nicht gefunden
 }
 
 void SAL_CALL ScAreaLinksObj::insertAtPosition( const table::CellAddress& aDestPos,
@@ -1065,7 +1065,7 @@ void ScDDELinkObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     if ( pSimpleHint )
     {
         if ( pSimpleHint->GetId() == SFX_HINT_DYING )
-            pDocShell = NULL;       // pointer is invalid
+            pDocShell = nullptr;       // pointer is invalid
     }
     else if ( dynamic_cast<const ScLinkRefreshedHint*>(&rHint) )
     {
@@ -1260,7 +1260,7 @@ void ScDDELinksObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -1274,7 +1274,7 @@ ScDDELinkObj* ScDDELinksObj::GetObjectByIndex_Impl(sal_Int32 nIndex)
         if ( pDocShell->GetDocument().GetDdeLinkData( (size_t)nIndex, aAppl, aTopic, aItem ) )
             return new ScDDELinkObj( pDocShell, aAppl, aTopic, aItem );
     }
-    return NULL;
+    return nullptr;
 }
 
 ScDDELinkObj* ScDDELinksObj::GetObjectByName_Impl(const OUString& aName)
@@ -1293,7 +1293,7 @@ ScDDELinkObj* ScDDELinksObj::GetObjectByName_Impl(const OUString& aName)
                 return new ScDDELinkObj( pDocShell, aAppl, aTopic, aItem );
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 // XEnumerationAccess
@@ -1620,7 +1620,7 @@ sal_Bool SAL_CALL ScExternalDocLinkObj::hasByName(const OUString &aName)
 
     // #i116940# be consistent with getByName: allow only table names which have a cache already
     ScExternalRefCache::TableTypeRef pTable = mpRefMgr->getCacheTable(mnFileId, aName, false);
-    return (pTable.get() != NULL);
+    return (pTable.get() != nullptr);
 }
 
 sal_Int32 SAL_CALL ScExternalDocLinkObj::getCount()
diff --git a/sc/source/ui/unoobj/nameuno.cxx b/sc/source/ui/unoobj/nameuno.cxx
index f4e328217f0a..2e390f68d068 100644
--- a/sc/source/ui/unoobj/nameuno.cxx
+++ b/sc/source/ui/unoobj/nameuno.cxx
@@ -104,14 +104,14 @@ void ScNamedRangeObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        pDocShell = NULL;       // became invalid
+        pDocShell = nullptr;       // became invalid
 }
 
 // Helper functions
 
 ScRangeData* ScNamedRangeObj::GetRangeData_Impl()
 {
-    ScRangeData* pRet = NULL;
+    ScRangeData* pRet = nullptr;
     if (pDocShell)
     {
         ScRangeName* pNames;
@@ -189,7 +189,7 @@ void ScNamedRangeObj::Modify_Impl( const OUString* pNewName, const ScTokenArray*
     if (pNewType)
         nType = *pNewType;
 
-    ScRangeData* pNew = NULL;
+    ScRangeData* pNew = nullptr;
     if (pNewTokens)
         pNew = new ScRangeData( &rDoc, aInsName, *pNewTokens, aPos, nType );
     else
@@ -206,7 +206,7 @@ void ScNamedRangeObj::Modify_Impl( const OUString* pNewName, const ScTokenArray*
     }
     else
     {
-        pNew = NULL;        //! uno::Exception/Error or something
+        pNew = nullptr;        //! uno::Exception/Error or something
         delete pNewRanges;
     }
 }
@@ -225,7 +225,7 @@ void SAL_CALL ScNamedRangeObj::setName( const OUString& aNewName )
 
     OUString aNewStr(aNewName);
     // GRAM_PODF_A1 for API compatibility.
-    Modify_Impl( &aNewStr, NULL, NULL, NULL, NULL,formula::FormulaGrammar::GRAM_PODF_A1 );
+    Modify_Impl( &aNewStr, nullptr, nullptr, nullptr, nullptr,formula::FormulaGrammar::GRAM_PODF_A1 );
 
     if ( aName != aNewStr )                 // some error occurred...
         throw uno::RuntimeException();      // no other exceptions specified
@@ -248,7 +248,7 @@ void SAL_CALL ScNamedRangeObj::setContent( const OUString& aContent )
     SolarMutexGuard aGuard;
     OUString aContStr(aContent);
     // GRAM_PODF_A1 for API compatibility.
-    Modify_Impl( NULL, NULL, &aContStr, NULL, NULL,formula::FormulaGrammar::GRAM_PODF_A1 );
+    Modify_Impl( nullptr, nullptr, &aContStr, nullptr, nullptr,formula::FormulaGrammar::GRAM_PODF_A1 );
 }
 
 table::CellAddress SAL_CALL ScNamedRangeObj::getReferencePosition()
@@ -283,7 +283,7 @@ void SAL_CALL ScNamedRangeObj::setReferencePosition( const table::CellAddress& a
     SolarMutexGuard aGuard;
     ScAddress aPos( (SCCOL)aReferencePosition.Column, (SCROW)aReferencePosition.Row, aReferencePosition.Sheet );
     // GRAM_PODF_A1 for API compatibility.
-    Modify_Impl( NULL, NULL, NULL, &aPos, NULL,formula::FormulaGrammar::GRAM_PODF_A1 );
+    Modify_Impl( nullptr, nullptr, nullptr, &aPos, nullptr,formula::FormulaGrammar::GRAM_PODF_A1 );
 }
 
 sal_Int32 SAL_CALL ScNamedRangeObj::getType() throw(uno::RuntimeException, std::exception)
@@ -315,7 +315,7 @@ void SAL_CALL ScNamedRangeObj::setType( sal_Int32 nUnoType )
     if ( nUnoType & sheet::NamedRangeFlag::ROW_HEADER )         nNewType |= RT_ROWHEADER;
 
     // GRAM_PODF_A1 for API compatibility.
-    Modify_Impl( NULL, NULL, NULL, NULL, &nNewType,formula::FormulaGrammar::GRAM_PODF_A1 );
+    Modify_Impl( nullptr, nullptr, nullptr, nullptr, &nNewType,formula::FormulaGrammar::GRAM_PODF_A1 );
 }
 
 // XFormulaTokens
@@ -344,7 +344,7 @@ void SAL_CALL ScNamedRangeObj::setTokens( const uno::Sequence<sheet::FormulaToke
         ScTokenArray aTokenArray;
         (void)ScTokenConversion::ConvertToTokenArray( pDocShell->GetDocument(), aTokenArray, rTokens );
         // GRAM_PODF_A1 for API compatibility.
-        Modify_Impl( NULL, &aTokenArray, NULL, NULL, NULL, formula::FormulaGrammar::GRAM_PODF_A1 );
+        Modify_Impl( nullptr, &aTokenArray, nullptr, nullptr, nullptr, formula::FormulaGrammar::GRAM_PODF_A1 );
     }
 }
 
@@ -365,7 +365,7 @@ uno::Reference<table::XCellRange> SAL_CALL ScNamedRangeObj::getReferredCells()
         else
             return new ScCellRangeObj( pDocShell, aRange );
     }
-    return NULL;
+    return nullptr;
 }
 
 // beans::XPropertySet
@@ -489,7 +489,7 @@ void ScNamedRangesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // became invalid
+        pDocShell = nullptr;       // became invalid
     }
 }
 
@@ -527,7 +527,7 @@ void SAL_CALL ScNamedRangesObj::addNewByName( const OUString& aName,
             }
             else
             {
-                pNew = NULL;
+                pNew = nullptr;
                 delete pNewRanges;
             }
         }
@@ -832,11 +832,11 @@ ScGlobalNamedRangesObj::~ScGlobalNamedRangesObj()
 ScNamedRangeObj* ScGlobalNamedRangesObj::GetObjectByIndex_Impl(sal_uInt16 nIndex)
 {
     if (!pDocShell)
-        return NULL;
+        return nullptr;
 
     ScRangeName* pNames = pDocShell->GetDocument().GetRangeName();
     if (!pNames)
-        return NULL;
+        return nullptr;
 
     ScRangeName::const_iterator itr = pNames->begin(), itrEnd = pNames->end();
     sal_uInt16 nPos = 0;
@@ -849,14 +849,14 @@ ScNamedRangeObj* ScGlobalNamedRangesObj::GetObjectByIndex_Impl(sal_uInt16 nIndex
         }
         ++nPos;
     }
-    return NULL;
+    return nullptr;
 }
 
 ScNamedRangeObj* ScGlobalNamedRangesObj::GetObjectByName_Impl(const OUString& aName)
 {
     if ( pDocShell && hasByName(aName) )
         return new ScNamedRangeObj(this, pDocShell, aName);
-    return NULL;
+    return nullptr;
 }
 
 ScRangeName* ScGlobalNamedRangesObj::GetRangeName_Impl()
@@ -885,24 +885,24 @@ ScNamedRangeObj* ScLocalNamedRangesObj::GetObjectByName_Impl(const OUString& aNa
 {
     if ( pDocShell && hasByName( aName ) )
         return new ScNamedRangeObj( this, pDocShell, aName, mxSheet);
-    return NULL;
+    return nullptr;
 
 }
 
 ScNamedRangeObj* ScLocalNamedRangesObj::GetObjectByIndex_Impl( sal_uInt16 nIndex )
 {
     if (!pDocShell)
-        return NULL;
+        return nullptr;
 
     OUString aName = mxSheet->getName();
     ScDocument& rDoc = pDocShell->GetDocument();
     SCTAB nTab;
     if (!rDoc.GetTable(aName, nTab))
-        return NULL;
+        return nullptr;
 
     ScRangeName* pNames = rDoc.GetRangeName( nTab );
     if (!pNames)
-        return NULL;
+        return nullptr;
 
     ScRangeName::const_iterator itr = pNames->begin(), itrEnd = pNames->end();
     sal_uInt16 nPos = 0;
@@ -915,7 +915,7 @@ ScNamedRangeObj* ScLocalNamedRangesObj::GetObjectByIndex_Impl( sal_uInt16 nIndex
         }
         ++nPos;
     }
-    return NULL;
+    return nullptr;
 }
 
 ScRangeName* ScLocalNamedRangesObj::GetRangeName_Impl()
@@ -953,14 +953,14 @@ void ScLabelRangeObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        pDocShell = NULL;       // became invalid
+        pDocShell = nullptr;       // became invalid
 }
 
 // Helper functions
 
 ScRangePair* ScLabelRangeObj::GetData_Impl()
 {
-    ScRangePair* pRet = NULL;
+    ScRangePair* pRet = nullptr;
     if (pDocShell)
     {
         ScDocument& rDoc = pDocShell->GetDocument();
@@ -1030,7 +1030,7 @@ void SAL_CALL ScLabelRangeObj::setLabelArea( const table::CellRangeAddress& aLab
     SolarMutexGuard aGuard;
     ScRange aLabelRange;
     ScUnoConversion::FillScRange( aLabelRange, aLabelArea );
-    Modify_Impl( &aLabelRange, NULL );
+    Modify_Impl( &aLabelRange, nullptr );
 }
 
 table::CellRangeAddress SAL_CALL ScLabelRangeObj::getDataArea()
@@ -1050,7 +1050,7 @@ void SAL_CALL ScLabelRangeObj::setDataArea( const table::CellRangeAddress& aData
     SolarMutexGuard aGuard;
     ScRange aDataRange;
     ScUnoConversion::FillScRange( aDataRange, aDataArea );
-    Modify_Impl( NULL, &aDataRange );
+    Modify_Impl( nullptr, &aDataRange );
 }
 
 ScLabelRangesObj::ScLabelRangesObj(ScDocShell* pDocSh, bool bCol) :
@@ -1075,7 +1075,7 @@ void ScLabelRangesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // became invalid
+        pDocShell = nullptr;       // became invalid
     }
 }
 
@@ -1094,7 +1094,7 @@ ScLabelRangeObj* ScLabelRangesObj::GetObjectByIndex_Impl(size_t nIndex)
                 return new ScLabelRangeObj( pDocShell, bColumn, pData->GetRange(0) );
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL ScLabelRangesObj::addNew( const table::CellRangeAddress& aLabelArea,
diff --git a/sc/source/ui/unoobj/notesuno.cxx b/sc/source/ui/unoobj/notesuno.cxx
index 73b15fd6824b..ad2f39948878 100644
--- a/sc/source/ui/unoobj/notesuno.cxx
+++ b/sc/source/ui/unoobj/notesuno.cxx
@@ -58,7 +58,7 @@ SC_SIMPLE_SERVICE_INFO( ScAnnotationObj, "ScAnnotationObj", "com.sun.star.sheet.
 ScAnnotationObj::ScAnnotationObj(ScDocShell* pDocSh, const ScAddress& rPos) :
     pDocShell( pDocSh ),
     aCellPos( rPos ),
-    pUnoText( NULL )
+    pUnoText( nullptr )
 {
     pDocShell->GetDocument().AddUnoObject(*this);
 
@@ -88,7 +88,7 @@ void ScAnnotationObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     else if ( dynamic_cast<const SfxSimpleHint*>(&rHint) &&
             static_cast<const SfxSimpleHint&>(rHint).GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -104,7 +104,7 @@ uno::Reference<uno::XInterface> SAL_CALL ScAnnotationObj::getParent() throw(uno:
     if (pDocShell)
         return static_cast<cppu::OWeakObject*>(new ScCellObj( pDocShell, aCellPos ));
 
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL ScAnnotationObj::setParent( const uno::Reference<uno::XInterface>& /* Parent */ )
@@ -249,6 +249,6 @@ SvxUnoText& ScAnnotationObj::GetUnoText()
 
 const ScPostIt* ScAnnotationObj::ImplGetNote() const
 {
-    return pDocShell ? pDocShell->GetDocument().GetNote(aCellPos) : 0;
+    return pDocShell ? pDocShell->GetDocument().GetNote(aCellPos) : nullptr;
 }
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/unoobj/optuno.cxx b/sc/source/ui/unoobj/optuno.cxx
index 5315b098b0d6..b158b0e7a2df 100644
--- a/sc/source/ui/unoobj/optuno.cxx
+++ b/sc/source/ui/unoobj/optuno.cxx
@@ -179,7 +179,7 @@ uno::Any ScDocOptionsHelper::getPropertyValue(
 }
 
 ScDocOptionsObj::ScDocOptionsObj( const ScDocOptions& rOpt ) :
-    ScModelObj( NULL ),
+    ScModelObj( nullptr ),
     aOptions( rOpt )
 {
 }
diff --git a/sc/source/ui/unoobj/scdetect.cxx b/sc/source/ui/unoobj/scdetect.cxx
index 12a11be841e0..eac13bb4dff8 100644
--- a/sc/source/ui/unoobj/scdetect.cxx
+++ b/sc/source/ui/unoobj/scdetect.cxx
@@ -261,7 +261,7 @@ OUString SAL_CALL ScFilterDetect::detect( uno::Sequence<beans::PropertyValue>& l
         // No stream, no detection.
         return OUString();
 
-    const char* pSearchFilterName = NULL;
+    const char* pSearchFilterName = nullptr;
     if (aTypeName == "calc_Lotus")
     {
         if (!detectThisFormat(*pStream, pLotus) && !detectThisFormat(*pStream, pLotusNew) && !detectThisFormat(*pStream, pLotus2))
diff --git a/sc/source/ui/unoobj/servuno.cxx b/sc/source/ui/unoobj/servuno.cxx
index 7cefcd509960..bf51c6a0fdc8 100644
--- a/sc/source/ui/unoobj/servuno.cxx
+++ b/sc/source/ui/unoobj/servuno.cxx
@@ -435,7 +435,7 @@ uno::Reference<uno::XInterface> ScServiceProvider::MakeInstance(
     {
         case SC_SERVICE_SHEET:
             //  noch nicht eingefuegt - DocShell=Null
-            xRet.set(static_cast<sheet::XSpreadsheet*>(new ScTableSheetObj(NULL,0)));
+            xRet.set(static_cast<sheet::XSpreadsheet*>(new ScTableSheetObj(nullptr,0)));
             break;
         case SC_SERVICE_URLFIELD:
         case SC_SERVICE_PAGEFIELD:
@@ -449,14 +449,14 @@ uno::Reference<uno::XInterface> ScServiceProvider::MakeInstance(
         {
             uno::Reference<text::XTextRange> xNullContent;
             xRet.set(static_cast<text::XTextField*>(
-                new ScEditFieldObj(xNullContent, NULL, getFieldType(nType), ESelection())));
+                new ScEditFieldObj(xNullContent, nullptr, getFieldType(nType), ESelection())));
         }
         break;
         case SC_SERVICE_CELLSTYLE:
-            xRet.set(static_cast<style::XStyle*>(new ScStyleObj( NULL, SFX_STYLE_FAMILY_PARA, OUString() )));
+            xRet.set(static_cast<style::XStyle*>(new ScStyleObj( nullptr, SFX_STYLE_FAMILY_PARA, OUString() )));
             break;
         case SC_SERVICE_PAGESTYLE:
-            xRet.set(static_cast<style::XStyle*>(new ScStyleObj( NULL, SFX_STYLE_FAMILY_PAGE, OUString() )));
+            xRet.set(static_cast<style::XStyle*>(new ScStyleObj( nullptr, SFX_STYLE_FAMILY_PAGE, OUString() )));
             break;
         case SC_SERVICE_AUTOFORMAT:
             xRet.set(static_cast<container::XIndexAccess*>(new ScAutoFormatObj( SC_AFMTOBJ_INVALID )));
diff --git a/sc/source/ui/unoobj/shapeuno.cxx b/sc/source/ui/unoobj/shapeuno.cxx
index c7e87878f209..019f576376be 100644
--- a/sc/source/ui/unoobj/shapeuno.cxx
+++ b/sc/source/ui/unoobj/shapeuno.cxx
@@ -67,7 +67,7 @@ const SvEventDescription* ScShapeObj::GetSupportedMacroItems()
 {
     static const SvEventDescription aMacroDescriptionsImpl[] =
     {
-        { 0, NULL }
+        { 0, nullptr }
     };
     return aMacroDescriptionsImpl;
 }
@@ -77,7 +77,7 @@ ScMacroInfo* ScShapeObj_getShapeHyperMacroInfo( ScShapeObj* pShape, bool bCreate
         if( pShape )
             if( SdrObject* pObj = pShape->GetSdrObject() )
                 return ScDrawLayer::GetMacroInfo( pObj, bCreate );
-        return 0;
+        return nullptr;
 }
 
 namespace
@@ -90,8 +90,8 @@ namespace
 }
 
 ScShapeObj::ScShapeObj( uno::Reference<drawing::XShape>& xShape ) :
-      pShapePropertySet(NULL),
-      pShapePropertyState(NULL),
+      pShapePropertySet(nullptr),
+      pShapePropertyState(nullptr),
       bIsTextShape(false),
       bIsNoteCaption(false),
       bInitializedNotifier(false)
@@ -105,13 +105,13 @@ ScShapeObj::ScShapeObj( uno::Reference<drawing::XShape>& xShape ) :
 
     if (mxShapeAgg.is())
     {
-        xShape = NULL;      // during setDelegator, mxShapeAgg must be the only ref
+        xShape = nullptr;      // during setDelegator, mxShapeAgg must be the only ref
 
         mxShapeAgg->setDelegator( static_cast<cppu::OWeakObject*>(this) );
 
         xShape.set(uno::Reference<drawing::XShape>( mxShapeAgg, uno::UNO_QUERY ));
 
-        bIsTextShape = ( SvxUnoTextBase::getImplementation( mxShapeAgg ) != NULL );
+        bIsTextShape = ( SvxUnoTextBase::getImplementation( mxShapeAgg ) != nullptr );
     }
 
     {
@@ -1309,7 +1309,7 @@ uno::Reference< uno::XInterface > SAL_CALL ScShapeObj::getParent() throw (uno::R
         }
     }
 
-    return 0;
+    return nullptr;
 }
 
 void SAL_CALL ScShapeObj::setParent( const uno::Reference< uno::XInterface >& ) throw (lang::NoSupportException, uno::RuntimeException, std::exception)
@@ -1354,7 +1354,7 @@ SdrObject* ScShapeObj::GetSdrObject() const throw()
             return pShape->GetSdrObject();
     }
 
-    return NULL;
+    return nullptr;
 }
 
 #define SC_EVENTACC_ONCLICK     "OnClick"
diff --git a/sc/source/ui/unoobj/srchuno.cxx b/sc/source/ui/unoobj/srchuno.cxx
index 08bcccba422c..edc4809ed342 100644
--- a/sc/source/ui/unoobj/srchuno.cxx
+++ b/sc/source/ui/unoobj/srchuno.cxx
@@ -235,7 +235,7 @@ const uno::Sequence<sal_Int8>& ScCellSearchObj::getUnoTunnelId()
 
 ScCellSearchObj* ScCellSearchObj::getImplementation(const uno::Reference<util::XSearchDescriptor>& rObj)
 {
-    ScCellSearchObj* pRet = NULL;
+    ScCellSearchObj* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScCellSearchObj*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
diff --git a/sc/source/ui/unoobj/styleuno.cxx b/sc/source/ui/unoobj/styleuno.cxx
index c0d33728dbe6..6dd6b5701a47 100644
--- a/sc/source/ui/unoobj/styleuno.cxx
+++ b/sc/source/ui/unoobj/styleuno.cxx
@@ -416,7 +416,7 @@ void ScStyleFamiliesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -432,7 +432,7 @@ ScStyleFamilyObj*ScStyleFamiliesObj::GetObjectByType_Impl(sal_uInt16 nType) cons
             return new ScStyleFamilyObj( pDocShell, SFX_STYLE_FAMILY_PAGE );
     }
     OSL_FAIL("getStyleFamilyByType: keine DocShell oder falscher Typ");
-    return NULL;
+    return nullptr;
 }
 
 ScStyleFamilyObj* ScStyleFamiliesObj::GetObjectByIndex_Impl(sal_uInt32 nIndex) const
@@ -440,7 +440,7 @@ ScStyleFamilyObj* ScStyleFamiliesObj::GetObjectByIndex_Impl(sal_uInt32 nIndex) c
     if ( nIndex < SC_STYLE_FAMILY_COUNT )
         return GetObjectByType_Impl(aStyleFamilyTypes[nIndex]);
 
-    return NULL;    // ungueltiger Index
+    return nullptr;    // ungueltiger Index
 }
 
 ScStyleFamilyObj* ScStyleFamiliesObj::GetObjectByName_Impl(const OUString& aName) const
@@ -454,7 +454,7 @@ ScStyleFamilyObj* ScStyleFamiliesObj::GetObjectByName_Impl(const OUString& aName
             return new ScStyleFamilyObj( pDocShell, SFX_STYLE_FAMILY_PAGE );
     }
     // no assertion - called directly from getByName
-    return NULL;
+    return nullptr;
 }
 
 // container::XIndexAccess
@@ -633,7 +633,7 @@ void ScStyleFamilyObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -656,7 +656,7 @@ ScStyleObj* ScStyleFamilyObj::GetObjectByIndex_Impl(sal_uInt32 nIndex)
             }
         }
     }
-    return NULL;
+    return nullptr;
 }
 
 ScStyleObj* ScStyleFamilyObj::GetObjectByName_Impl(const OUString& aName)
@@ -670,7 +670,7 @@ ScStyleObj* ScStyleFamilyObj::GetObjectByName_Impl(const OUString& aName)
         if ( pStylePool->Find( aString, eFamily ) )
             return new ScStyleObj( pDocShell, eFamily, aString );
     }
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL ScStyleFamilyObj::insertByName( const OUString& aName, const uno::Any& aElement )
@@ -1011,7 +1011,7 @@ const uno::Sequence<sal_Int8>& ScStyleObj::getUnoTunnelId()
 
 ScStyleObj* ScStyleObj::getImplementation(const uno::Reference<uno::XInterface>& rObj)
 {
-    ScStyleObj* pRet = NULL;
+    ScStyleObj* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScStyleObj*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -1025,7 +1025,7 @@ void ScStyleObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
     {
-        pDocShell = NULL;       // ungueltig geworden
+        pDocShell = nullptr;       // ungueltig geworden
     }
 }
 
@@ -1037,7 +1037,7 @@ SfxStyleSheetBase* ScStyleObj::GetStyle_Impl()
         ScStyleSheetPool* pStylePool = rDoc.GetStyleSheetPool();
         return pStylePool->Find( aStyleName, eFamily );
     }
-    return NULL;
+    return nullptr;
 }
 
 // style::XStyle
@@ -1183,7 +1183,7 @@ const SfxItemSet* ScStyleObj::GetStyleItemSet_Impl( const OUString& rPropName,
     SfxStyleSheetBase* pStyle = GetStyle_Impl();
     if (pStyle)
     {
-        const SfxItemPropertySimpleEntry* pEntry = NULL;
+        const SfxItemPropertySimpleEntry* pEntry = nullptr;
         if ( eFamily == SFX_STYLE_FAMILY_PAGE )
         {
             pEntry = lcl_GetHeaderStyleMap()->getByName( rPropName );
@@ -1207,8 +1207,8 @@ const SfxItemSet* ScStyleObj::GetStyleItemSet_Impl( const OUString& rPropName,
         }
     }
 
-    rpResultEntry = NULL;
-    return NULL;
+    rpResultEntry = nullptr;
+    return nullptr;
 }
 
 beans::PropertyState SAL_CALL ScStyleObj::getPropertyState( const OUString& aPropertyName )
@@ -1217,7 +1217,7 @@ beans::PropertyState SAL_CALL ScStyleObj::getPropertyState( const OUString& aPro
     SolarMutexGuard aGuard;
     beans::PropertyState eRet = beans::PropertyState_DIRECT_VALUE;
 
-    const SfxItemPropertySimpleEntry* pResultEntry = NULL;
+    const SfxItemPropertySimpleEntry* pResultEntry = nullptr;
     const SfxItemSet* pItemSet = GetStyleItemSet_Impl( aPropertyName, pResultEntry );
 
     if ( pItemSet && pResultEntry )
@@ -1278,7 +1278,7 @@ void SAL_CALL ScStyleObj::setPropertyToDefault( const OUString& aPropertyName )
     if ( !pEntry )
         throw beans::UnknownPropertyException();
 
-    SetOnePropertyValue( aPropertyName, pEntry, NULL );
+    SetOnePropertyValue( aPropertyName, pEntry, nullptr );
 }
 
 uno::Any SAL_CALL ScStyleObj::getPropertyDefault( const OUString& aPropertyName )
@@ -1288,7 +1288,7 @@ uno::Any SAL_CALL ScStyleObj::getPropertyDefault( const OUString& aPropertyName
     SolarMutexGuard aGuard;
     uno::Any aAny;
 
-    const SfxItemPropertySimpleEntry* pResultEntry = NULL;
+    const SfxItemPropertySimpleEntry* pResultEntry = nullptr;
     const SfxItemSet* pStyleSet = GetStyleItemSet_Impl( aPropertyName, pResultEntry );
 
     if ( pStyleSet && pResultEntry )
@@ -1506,7 +1506,7 @@ void SAL_CALL ScStyleObj::setPropertiesToDefault( const uno::Sequence<OUString>&
         for (sal_Int32 i = 0; i < nCount; i++)
         {
             const SfxItemPropertySimpleEntry*  pEntry = rPropertyMap.getByName( pNames[i] );
-            SetOnePropertyValue( pNames[i], pEntry, NULL );
+            SetOnePropertyValue( pNames[i], pEntry, nullptr );
         }
     }
 }
@@ -1883,7 +1883,7 @@ uno::Any SAL_CALL ScStyleObj::getPropertyValue( const OUString& aPropertyName )
     }
     else
     {
-        const SfxItemPropertySimpleEntry* pResultEntry = NULL;
+        const SfxItemPropertySimpleEntry* pResultEntry = nullptr;
         const SfxItemSet* pItemSet = GetStyleItemSet_Impl( aPropertyName, pResultEntry );
 
         if ( pItemSet && pResultEntry )
diff --git a/sc/source/ui/unoobj/targuno.cxx b/sc/source/ui/unoobj/targuno.cxx
index d4032eb5fd6b..17da342e3ab8 100644
--- a/sc/source/ui/unoobj/targuno.cxx
+++ b/sc/source/ui/unoobj/targuno.cxx
@@ -85,7 +85,7 @@ void ScLinkTargetTypesObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 {
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        pDocShell = NULL;       // document gone
+        pDocShell = nullptr;       // document gone
 }
 
 // container::XNameAccess
@@ -154,7 +154,7 @@ void ScLinkTargetTypeObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 {
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        pDocShell = NULL;       // document gone
+        pDocShell = nullptr;       // document gone
 }
 
 // document::XLinkTargetSupplier
@@ -185,7 +185,7 @@ uno::Reference< container::XNameAccess > SAL_CALL  ScLinkTargetTypeObj::getLinks
     //  beans::XPropertySet as ElementType in container::XNameAccess.
     if ( xCollection.is() )
         return new ScLinkTargetsObj( xCollection );
-    return NULL;
+    return nullptr;
 }
 
 // beans::XPropertySet
diff --git a/sc/source/ui/unoobj/textuno.cxx b/sc/source/ui/unoobj/textuno.cxx
index ac01ca7d63cf..736e96140b3f 100644
--- a/sc/source/ui/unoobj/textuno.cxx
+++ b/sc/source/ui/unoobj/textuno.cxx
@@ -176,11 +176,11 @@ rtl::Reference<ScHeaderFooterContentObj> ScHeaderFooterContentObj::getImplementa
 
 ScHeaderFooterTextData::ScHeaderFooterTextData(
     rtl::Reference<ScHeaderFooterContentObj> const & rContent, sal_uInt16 nP, const EditTextObject* pTextObj) :
-    mpTextObj(pTextObj ? pTextObj->Clone() : NULL),
+    mpTextObj(pTextObj ? pTextObj->Clone() : nullptr),
     rContentObj( rContent ),
     nPart( nP ),
-    pEditEngine( NULL ),
-    pForwarder( NULL ),
+    pEditEngine( nullptr ),
+    pForwarder( nullptr ),
     bDataValid(false)
 {
 }
@@ -517,7 +517,7 @@ uno::Reference<container::XNameAccess> SAL_CALL ScHeaderFooterTextObj::getTextFi
                                                 throw(uno::RuntimeException, std::exception)
 {
     //  sowas gibts nicht im Calc (?)
-    return NULL;
+    return nullptr;
 }
 
 // XTextRangeMover
@@ -649,7 +649,7 @@ const uno::Sequence<sal_Int8>& ScCellTextCursor::getUnoTunnelId()
 
 ScCellTextCursor* ScCellTextCursor::getImplementation(const uno::Reference<uno::XInterface>& rObj)
 {
-    ScCellTextCursor* pRet = NULL;
+    ScCellTextCursor* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScCellTextCursor*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -744,7 +744,7 @@ const uno::Sequence<sal_Int8>& ScHeaderFooterTextCursor::getUnoTunnelId()
 ScHeaderFooterTextCursor* ScHeaderFooterTextCursor::getImplementation(
                                 const uno::Reference<uno::XInterface>& rObj)
 {
-    ScHeaderFooterTextCursor* pRet = NULL;
+    ScHeaderFooterTextCursor* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScHeaderFooterTextCursor*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -837,7 +837,7 @@ const uno::Sequence<sal_Int8>& ScDrawTextCursor::getUnoTunnelId()
 
 ScDrawTextCursor* ScDrawTextCursor::getImplementation(const uno::Reference<uno::XInterface>& rObj)
 {
-    ScDrawTextCursor* pRet = NULL;
+    ScDrawTextCursor* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScDrawTextCursor*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -850,7 +850,7 @@ ScSimpleEditSourceHelper::ScSimpleEditSourceHelper()
     pEnginePool->SetDefaultMetric( SFX_MAPUNIT_100TH_MM );
     pEnginePool->FreezeIdRanges();
 
-    pEditEngine = new ScFieldEditEngine(NULL, pEnginePool, NULL, true);     // TRUE: become owner of pool
+    pEditEngine = new ScFieldEditEngine(nullptr, pEnginePool, nullptr, true);     // TRUE: become owner of pool
     pForwarder = new SvxEditEngineForwarder( *pEditEngine );
     pOriginalSource = new ScSimpleEditSource( pForwarder );
 }
@@ -890,9 +890,9 @@ EditTextObject* ScEditEngineTextObj::CreateTextObject()
 ScCellTextData::ScCellTextData(ScDocShell* pDocSh, const ScAddress& rP) :
     pDocShell( pDocSh ),
     aCellPos( rP ),
-    pEditEngine( NULL ),
-    pForwarder( NULL ),
-    pOriginalSource( NULL ),
+    pEditEngine( nullptr ),
+    pForwarder( nullptr ),
+    pOriginalSource( nullptr ),
     bDataValid( false ),
     bInUpdate( false ),
     bDirty( false ),
@@ -948,7 +948,7 @@ SvxTextForwarder* ScCellTextData::GetTextForwarder()
         {
             SfxItemPool* pEnginePool = EditEngine::CreatePool();
             pEnginePool->FreezeIdRanges();
-            pEditEngine = new ScFieldEditEngine(NULL, pEnginePool, NULL, true);
+            pEditEngine = new ScFieldEditEngine(nullptr, pEnginePool, nullptr, true);
         }
         //  currently, GetPortions doesn't work if UpdateMode is sal_False,
         //  this will be fixed (in EditEngine) by src600
@@ -1002,7 +1002,7 @@ void ScCellTextData::UpdateData()
 {
     if ( bDoUpdate )
     {
-        OSL_ENSURE(pEditEngine != NULL, "no EditEngine for UpdateData()");
+        OSL_ENSURE(pEditEngine != nullptr, "no EditEngine for UpdateData()");
         if ( pDocShell && pEditEngine )
         {
             //  during the own UpdateData call, bDataValid must not be reset,
@@ -1032,7 +1032,7 @@ void ScCellTextData::Notify( SfxBroadcaster&, const SfxHint& rHint )
         sal_uLong nId = static_cast<const SfxSimpleHint&>(rHint).GetId();
         if ( nId == SFX_HINT_DYING )
         {
-            pDocShell = NULL;                       // invalid now
+            pDocShell = nullptr;                       // invalid now
 
             DELETEZ( pForwarder );
             DELETEZ( pEditEngine );     // EditEngine uses document's pool
diff --git a/sc/source/ui/unoobj/tokenuno.cxx b/sc/source/ui/unoobj/tokenuno.cxx
index 81cecbdaa3c2..6e769d03bd61 100644
--- a/sc/source/ui/unoobj/tokenuno.cxx
+++ b/sc/source/ui/unoobj/tokenuno.cxx
@@ -82,7 +82,7 @@ void ScFormulaParserObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 {
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        mpDocShell = NULL;
+        mpDocShell = nullptr;
 }
 
 // XFormulaParser
diff --git a/sc/source/ui/unoobj/viewuno.cxx b/sc/source/ui/unoobj/viewuno.cxx
index 1eed0551b3d5..e9a385f2823d 100644
--- a/sc/source/ui/unoobj/viewuno.cxx
+++ b/sc/source/ui/unoobj/viewuno.cxx
@@ -138,7 +138,7 @@ void ScViewPaneBase::Notify( SfxBroadcaster&, const SfxHint& rHint )
 {
     const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if ( pSimpleHint && pSimpleHint->GetId() == SFX_HINT_DYING )
-        pViewShell = NULL;
+        pViewShell = nullptr;
 }
 
 uno::Any SAL_CALL ScViewPaneBase::queryInterface( const uno::Type& rType )
@@ -296,7 +296,7 @@ uno::Reference<table::XCellRange> SAL_CALL ScViewPaneBase::getReferredCells()
             return new ScCellRangeObj( pDocSh, aRange );
     }
 
-    return NULL;
+    return nullptr;
 }
 
 namespace
@@ -313,7 +313,7 @@ namespace
         _rpWindow = _pViewShell->GetWindowByPos( eWhich );
         _rpSdrView = _pViewShell->GetSdrView();
         _rpFormShell = _pViewShell->GetFormShell();
-        return ( _rpFormShell != NULL ) && ( _rpSdrView != NULL )&& ( _rpWindow != NULL );
+        return ( _rpFormShell != nullptr ) && ( _rpSdrView != nullptr )&& ( _rpWindow != nullptr );
     }
 }
 
@@ -324,9 +324,9 @@ uno::Reference< form::runtime::XFormController > SAL_CALL ScViewPaneBase::getFor
 
     uno::Reference< form::runtime::XFormController > xController;
 
-    vcl::Window* pWindow( NULL );
-    SdrView* pSdrView( NULL );
-    FmFormShell* pFormShell( NULL );
+    vcl::Window* pWindow( nullptr );
+    SdrView* pSdrView( nullptr );
+    FmFormShell* pFormShell( nullptr );
     if ( lcl_prepareFormShellCall( pViewShell, nPane, pFormShell, pWindow, pSdrView ) )
         xController = FmFormShell::GetFormController( _Form, *pSdrView, *pWindow );
 
@@ -339,7 +339,7 @@ sal_Bool SAL_CALL ScViewPaneBase::isFormDesignMode(  ) throw (uno::RuntimeExcept
 
     bool bIsFormDesignMode( true );
 
-    FmFormShell* pFormShell( pViewShell ? pViewShell->GetFormShell() : NULL );
+    FmFormShell* pFormShell( pViewShell ? pViewShell->GetFormShell() : nullptr );
     if ( pFormShell )
         bIsFormDesignMode = pFormShell->IsDesignMode();
 
@@ -350,9 +350,9 @@ void SAL_CALL ScViewPaneBase::setFormDesignMode( sal_Bool _DesignMode ) throw (u
 {
     SolarMutexGuard aGuard;
 
-    vcl::Window* pWindow( NULL );
-    SdrView* pSdrView( NULL );
-    FmFormShell* pFormShell( NULL );
+    vcl::Window* pWindow( nullptr );
+    SdrView* pSdrView( nullptr );
+    FmFormShell* pFormShell( nullptr );
     if ( lcl_prepareFormShellCall( pViewShell, nPane, pFormShell, pWindow, pSdrView ) )
         pFormShell->SetDesignMode( _DesignMode );
 }
@@ -367,9 +367,9 @@ uno::Reference<awt::XControl> SAL_CALL ScViewPaneBase::getControl(
 
     uno::Reference<awt::XControl> xRet;
 
-    vcl::Window* pWindow( NULL );
-    SdrView* pSdrView( NULL );
-    FmFormShell* pFormShell( NULL );
+    vcl::Window* pWindow( nullptr );
+    SdrView* pSdrView( nullptr );
+    FmFormShell* pFormShell( nullptr );
     if ( lcl_prepareFormShellCall( pViewShell, nPane, pFormShell, pWindow, pSdrView ) )
         pFormShell->GetFormControl( xModel, *pSdrView, *pWindow, xRet );
 
@@ -807,7 +807,7 @@ sal_Bool SAL_CALL ScTabViewObj::select( const uno::Any& aSelection )
                 long nCount = xShapeColl->getCount();
                 if (nCount)
                 {
-                    SdrPageView* pPV = NULL;
+                    SdrPageView* pPV = nullptr;
                     bool bAllMarked(true);
                     for ( long i = 0; i < nCount; i++ )
                     {
@@ -865,7 +865,7 @@ uno::Any SAL_CALL ScTabViewObj::getSelection()
 {
     SolarMutexGuard aGuard;
     ScTabViewShell* pViewSh = GetViewShell();
-    ScCellRangesBase* pObj = NULL;
+    ScCellRangesBase* pObj = nullptr;
     if (pViewSh)
     {
         //  Ist auf dem Drawing-Layer etwas selektiert?
@@ -1067,7 +1067,7 @@ ScViewPaneObj* ScTabViewObj::GetObjectByIndex_Impl(sal_uInt16 nIndex) const
             return new ScViewPaneObj( pViewSh, sal::static_int_cast<sal_uInt16>(eWhich) );
     }
 
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference<sheet::XSpreadsheet> SAL_CALL ScTabViewObj::getActiveSheet()
@@ -1081,7 +1081,7 @@ uno::Reference<sheet::XSpreadsheet> SAL_CALL ScTabViewObj::getActiveSheet()
         SCTAB nTab = rViewData.GetTabNo();
         return new ScTableSheetObj( rViewData.GetDocShell(), nTab );
     }
-    return NULL;
+    return nullptr;
 }
 
 // support expand (but not replace) the active sheet
@@ -1129,7 +1129,7 @@ uno::Reference< uno::XInterface > ScTabViewObj::GetClickedObject(const Point& rP
         ScDocument* pDoc = rData.GetDocument();
         if (pDoc && pDoc->GetDrawLayer())
         {
-            SdrPage* pDrawPage = NULL;
+            SdrPage* pDrawPage = nullptr;
             ScDrawLayer* pDrawLayer = pDoc->GetDrawLayer();
             if (pDrawLayer->HasObjects() && (pDrawLayer->GetPageCount() > nTab))
                 pDrawPage = pDrawLayer->GetPage(static_cast<sal_uInt16>(nTab));
@@ -1149,7 +1149,7 @@ uno::Reference< uno::XInterface > ScTabViewObj::GetClickedObject(const Point& rP
                 for (size_t i = 0; i < nCount && !bFound; ++i)
                 {
                     SdrObject* pObj = pDrawPage->GetObj(i);
-                    if (pObj && SdrObjectPrimitiveHit(*pObj, aPos, nHitLog, *pDrawView->GetSdrPageView(), 0, false))
+                    if (pObj && SdrObjectPrimitiveHit(*pObj, aPos, nHitLog, *pDrawView->GetSdrPageView(), nullptr, false))
                     {
                         xTarget.set(pObj->getUnoShape(), uno::UNO_QUERY);
                         bFound = true;
@@ -1955,7 +1955,7 @@ uno::Any SAL_CALL ScTabViewObj::getPropertyValue( const OUString& aPropertyName
             vcl::Window* pActiveWin = rViewData.GetActiveWin();
             if ( pActiveWin )
             {
-                Rectangle aRect = pActiveWin->GetWindowExtentsRelative( NULL );
+                Rectangle aRect = pActiveWin->GetWindowExtentsRelative( nullptr );
                 aRet <<= AWTRectangle( aRect );
             }
         }
@@ -2205,7 +2205,7 @@ const uno::Sequence<sal_Int8>& ScTabViewObj::getUnoTunnelId()
 
 ScTabViewObj* ScTabViewObj::getImplementation(const uno::Reference<uno::XInterface>& rObj)
 {
-    ScTabViewObj* pRet = NULL;
+    ScTabViewObj* pRet = nullptr;
     uno::Reference<lang::XUnoTunnel> xUT(rObj, uno::UNO_QUERY);
     if (xUT.is())
         pRet = reinterpret_cast<ScTabViewObj*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething(getUnoTunnelId())));
@@ -2339,7 +2339,7 @@ void ScPreviewObj::Notify(SfxBroadcaster&, const SfxHint& rHint)
 {
     const SfxSimpleHint* p = dynamic_cast<const SfxSimpleHint*>(&rHint);
     if (p && p->GetId() == SFX_HINT_DYING)
-        mpViewShell = NULL;
+        mpViewShell = nullptr;
 }
 
 uno::Sequence<sal_Int32> ScPreviewObj::getSelectedSheets()
diff --git a/sc/source/ui/vba/excelvbahelper.cxx b/sc/source/ui/vba/excelvbahelper.cxx
index 557764cd4a88..e6f583b8ac39 100644
--- a/sc/source/ui/vba/excelvbahelper.cxx
+++ b/sc/source/ui/vba/excelvbahelper.cxx
@@ -162,10 +162,10 @@ implnCopy( const uno::Reference< frame::XModel>& xModel )
     ScTabViewShell* pViewShell = getBestViewShell( xModel );
     if ( pViewShell )
     {
-        pViewShell->CopyToClip(NULL,false,false,true);
+        pViewShell->CopyToClip(nullptr,false,false,true);
 
         // mark the copied transfer object so it is used in ScVbaRange::Insert
-        ScTransferObj* pClipObj = ScTransferObj::GetOwnClipboard( NULL );
+        ScTransferObj* pClipObj = ScTransferObj::GetOwnClipboard( nullptr );
         if (pClipObj)
             pClipObj->SetUseInApi( true );
     }
@@ -177,10 +177,10 @@ implnCut( const uno::Reference< frame::XModel>& xModel )
     ScTabViewShell* pViewShell =  getBestViewShell( xModel );
     if ( pViewShell )
     {
-        pViewShell->CutToClip( NULL, true );
+        pViewShell->CutToClip( nullptr, true );
 
         // mark the copied transfer object so it is used in ScVbaRange::Insert
-        ScTransferObj* pClipObj = ScTransferObj::GetOwnClipboard( NULL );
+        ScTransferObj* pClipObj = ScTransferObj::GetOwnClipboard( nullptr );
         if (pClipObj)
             pClipObj->SetUseInApi( true );
     }
@@ -199,7 +199,7 @@ void implnPasteSpecial( const uno::Reference< frame::XModel>& xModel, InsertDele
         if (pWin)
         {
             ScTransferObj* pOwnClip = ScTransferObj::GetOwnClipboard( pWin );
-            ScDocument* pDoc = NULL;
+            ScDocument* pDoc = nullptr;
             if ( pOwnClip )
                 pDoc = pOwnClip->GetDocument();
             pTabViewShell->PasteFromClip( nFlags, pDoc,
@@ -216,7 +216,7 @@ getDocShell( const css::uno::Reference< css::frame::XModel>& xModel )
 {
     uno::Reference< uno::XInterface > xIf( xModel, uno::UNO_QUERY_THROW );
     ScModelObj* pModel = dynamic_cast< ScModelObj* >( xIf.get() );
-    ScDocShell* pDocShell = NULL;
+    ScDocShell* pDocShell = nullptr;
     if ( pModel )
         pDocShell = static_cast<ScDocShell*>(pModel->GetEmbeddedObject());
     return pDocShell;
@@ -229,7 +229,7 @@ getBestViewShell( const css::uno::Reference< css::frame::XModel>& xModel )
     ScDocShell* pDocShell = getDocShell( xModel );
     if ( pDocShell )
         return pDocShell->GetBestViewShell();
-    return NULL;
+    return nullptr;
 }
 
 ScTabViewShell*
@@ -245,7 +245,7 @@ getViewFrame( const uno::Reference< frame::XModel >& xModel )
     ScTabViewShell* pViewShell = getBestViewShell( xModel );
     if ( pViewShell )
         return pViewShell->GetViewFrame();
-    return NULL;
+    return nullptr;
 }
 
 uno::Reference< XHelperInterface >
@@ -371,7 +371,7 @@ void setUpDocumentModules( const uno::Reference< sheet::XSpreadsheetDocument >&
 SfxItemSet*
 ScVbaCellRangeAccess::GetDataSet( ScCellRangesBase* pRangeObj )
 {
-    return pRangeObj ? pRangeObj->GetCurrentDataSet( true ) : 0;
+    return pRangeObj ? pRangeObj->GetCurrentDataSet( true ) : nullptr;
 }
 
 } // namespace excel
diff --git a/sc/source/ui/vba/vbaapplication.cxx b/sc/source/ui/vba/vbaapplication.cxx
index ef3f6ea6652f..d60d9378017b 100644
--- a/sc/source/ui/vba/vbaapplication.cxx
+++ b/sc/source/ui/vba/vbaapplication.cxx
@@ -1085,7 +1085,7 @@ uno::Reference< excel::XRange > lclCreateVbaRange(
         uno::Reference< sheet::XSheetCellRangeContainer > xRanges( new ScCellRangesObj( pDocShell, aCellRanges ) );
         return new ScVbaRange( excel::getUnoSheetModuleObj( xRanges ), rxContext, xRanges );
     }
-    return 0;
+    return nullptr;
 }
 
 } // namespace
@@ -1235,7 +1235,7 @@ ScVbaApplication::getDisplayFormulaBar()
         reqList.Put( sfxFormBar );
 
         pViewShell->GetState( reqList );
-        const SfxPoolItem *pItem=0;
+        const SfxPoolItem *pItem=nullptr;
         if ( reqList.GetItemState( FID_TOGGLEINPUTLINE, false, &pItem ) == SfxItemState::SET )
             bRes = static_cast<const SfxBoolItem*>(pItem)->GetValue();
     }
diff --git a/sc/source/ui/vba/vbachartobject.cxx b/sc/source/ui/vba/vbachartobject.cxx
index 2ff217c96f24..1c51d1e503a0 100644
--- a/sc/source/ui/vba/vbachartobject.cxx
+++ b/sc/source/ui/vba/vbachartobject.cxx
@@ -74,7 +74,7 @@ ScVbaChartObject::setShape() throw ( script::BasicErrorException )
     {
         throw script::BasicErrorException( OUString(), uno::Reference< uno::XInterface >(), ERRCODE_BASIC_METHOD_FAILED, OUString() );
     }
-    return NULL;
+    return nullptr;
 }
 
 void SAL_CALL
diff --git a/sc/source/ui/vba/vbachartobjects.cxx b/sc/source/ui/vba/vbachartobjects.cxx
index 812ff0363fef..0a9435d331ed 100644
--- a/sc/source/ui/vba/vbachartobjects.cxx
+++ b/sc/source/ui/vba/vbachartobjects.cxx
@@ -94,7 +94,7 @@ ScVbaChartObjects::getChartObjectNames() throw( css::script::BasicErrorException
         // c++ hackery
         uno::Reference< uno::XInterface > xIf( xDrawPageSupplier, uno::UNO_QUERY_THROW );
         ScCellRangesBase* pUno= dynamic_cast< ScCellRangesBase* >( xIf.get() );
-        ScDocShell* pDocShell = NULL;
+        ScDocShell* pDocShell = nullptr;
         if ( !pUno )
             throw uno::RuntimeException("Failed to obtain the impl class from the drawpage" );
         pDocShell = pUno->GetDocShell();
diff --git a/sc/source/ui/vba/vbaeventshelper.cxx b/sc/source/ui/vba/vbaeventshelper.cxx
index 1957fc075c2a..c37b1d6d3be5 100644
--- a/sc/source/ui/vba/vbaeventshelper.cxx
+++ b/sc/source/ui/vba/vbaeventshelper.cxx
@@ -102,7 +102,7 @@ uno::Reference< awt::XWindow > lclGetWindowForController( const uno::Reference<
     catch( uno::Exception& )
     {
     }
-    return 0;
+    return nullptr;
 }
 
 } // namespace
@@ -181,7 +181,7 @@ ScVbaEventListener::ScVbaEventListener( ScVbaEventsHelper& rVbaEvents, const uno
     mrVbaEvents( rVbaEvents ),
     mxModel( rxModel ),
     mpDocShell( pDocShell ),
-    mpActiveWindow( 0 ),
+    mpActiveWindow( nullptr ),
     mbWindowResized( false ),
     mbBorderChanged( false ),
     mbDisposed( !rxModel.is() )
@@ -246,7 +246,7 @@ void ScVbaEventListener::stopControllerListening( const uno::Reference< frame::X
     {
         maControllers.erase( pWindow );
         if( pWindow == mpActiveWindow )
-            mpActiveWindow = 0;
+            mpActiveWindow = nullptr;
     }
 }
 
@@ -305,7 +305,7 @@ void SAL_CALL ScVbaEventListener::windowDeactivated( const lang::EventObject& rE
         if( pWindow && (pWindow == mpActiveWindow) )
             processWindowActivateEvent( pWindow, false );
         // forget pointer to the active window
-        mpActiveWindow = 0;
+        mpActiveWindow = nullptr;
     }
 }
 
@@ -522,7 +522,7 @@ ScVbaEventsHelper::ScVbaEventsHelper( const uno::Sequence< uno::Any >& rArgs, co
     mbOpened( false )
 {
     mpDocShell = dynamic_cast< ScDocShell* >( mpShell ); // mpShell from base class
-    mpDoc = mpDocShell ? &mpDocShell->GetDocument() : 0;
+    mpDoc = mpDocShell ? &mpDocShell->GetDocument() : nullptr;
 
     if( !mxModel.is() || !mpDocShell || !mpDoc )
         return;
diff --git a/sc/source/ui/vba/vbafont.cxx b/sc/source/ui/vba/vbafont.cxx
index 3af7792cb81f..a66198916a71 100644
--- a/sc/source/ui/vba/vbafont.cxx
+++ b/sc/source/ui/vba/vbafont.cxx
@@ -51,7 +51,7 @@ ScVbaFont::ScVbaFont(
 SfxItemSet*
 ScVbaFont::GetDataSet()
 {
-    return mpRangeObj ? excel::ScVbaCellRangeAccess::GetDataSet( mpRangeObj ) : 0;
+    return mpRangeObj ? excel::ScVbaCellRangeAccess::GetDataSet( mpRangeObj ) : nullptr;
 }
 
 ScVbaFont::~ScVbaFont()
diff --git a/sc/source/ui/vba/vbafont.hxx b/sc/source/ui/vba/vbafont.hxx
index eef3261c3465..7a8032a2dfe2 100644
--- a/sc/source/ui/vba/vbafont.hxx
+++ b/sc/source/ui/vba/vbafont.hxx
@@ -42,7 +42,7 @@ public:
         const css::uno::Reference< css::uno::XComponentContext >& xContext,
         const ScVbaPalette& dPalette,
         const css::uno::Reference< css::beans::XPropertySet >& xPropertySet,
-        ScCellRangeObj* pRangeObj = 0, bool bFormControl = false ) throw ( css::uno::RuntimeException );
+        ScCellRangeObj* pRangeObj = nullptr, bool bFormControl = false ) throw ( css::uno::RuntimeException );
     virtual ~ScVbaFont();// {}
 
     // Attributes
diff --git a/sc/source/ui/vba/vbainterior.hxx b/sc/source/ui/vba/vbainterior.hxx
index ca05bd0894f9..5f64f19a8a62 100644
--- a/sc/source/ui/vba/vbainterior.hxx
+++ b/sc/source/ui/vba/vbainterior.hxx
@@ -57,7 +57,7 @@ protected:
     void SetMixedColor();
 public:
         ScVbaInterior( const css::uno::Reference< ov::XHelperInterface >& xParent,  const css::uno::Reference< css::uno::XComponentContext >& xContext,
-                 const css::uno::Reference< css::beans::XPropertySet >& xProps, ScDocument* pScDoc = NULL) throw ( css::lang::IllegalArgumentException);
+                 const css::uno::Reference< css::beans::XPropertySet >& xProps, ScDocument* pScDoc = nullptr) throw ( css::lang::IllegalArgumentException);
 
         virtual ~ScVbaInterior(){}
 
diff --git a/sc/source/ui/vba/vbapalette.hxx b/sc/source/ui/vba/vbapalette.hxx
index a16b417a1a5b..3f5ef8b0eed6 100644
--- a/sc/source/ui/vba/vbapalette.hxx
+++ b/sc/source/ui/vba/vbapalette.hxx
@@ -34,7 +34,7 @@ class ScVbaPalette
 private:
     SfxObjectShell* m_pShell;
 public:
-    explicit ScVbaPalette( SfxObjectShell* pShell = 0 ) : m_pShell( pShell ) {}
+    explicit ScVbaPalette( SfxObjectShell* pShell = nullptr ) : m_pShell( pShell ) {}
     explicit ScVbaPalette( const css::uno::Reference< css::frame::XModel >& rxModel );
     // if no palette available e.g. because the document doesn't have a
     // palette defined then a default palette will be returned.
diff --git a/sc/source/ui/vba/vbarange.cxx b/sc/source/ui/vba/vbarange.cxx
index 28e8d132ff39..ce399b394a01 100644
--- a/sc/source/ui/vba/vbarange.cxx
+++ b/sc/source/ui/vba/vbarange.cxx
@@ -1199,7 +1199,7 @@ bool getScRangeListForAddress( const OUString& sName, ScDocShell* pDocSh, ScRang
             ScRangeName* pRangeName = rDoc.GetRangeName(nCurTab);
             if (pRangeName)
             {
-                bool bLocalName = pRangeName->findByUpperName(ScGlobal::pCharClass->uppercase(sAddress)) != NULL;
+                bool bLocalName = pRangeName->findByUpperName(ScGlobal::pCharClass->uppercase(sAddress)) != nullptr;
                 // TODO: Handle local names correctly.
                 (void)bLocalName;
             }
@@ -2007,7 +2007,7 @@ ScVbaRange::setFormulaArray(const uno::Any& rFormula) throw (uno::RuntimeExcepti
     ScTokenArray aTokenArray;
     (void)ScTokenConversion::ConvertToTokenArray( getScDocument(), aTokenArray, aTokens );
 
-    getScDocShell()->GetDocFunc().EnterMatrix( *getScRangeList()[0], NULL, &aTokenArray, OUString(), true, true, EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_PODF_A1 );
+    getScDocShell()->GetDocFunc().EnterMatrix( *getScRangeList()[0], nullptr, &aTokenArray, OUString(), true, true, EMPTY_OUSTRING, formula::FormulaGrammar::GRAM_PODF_A1 );
 }
 
 OUString
@@ -2122,7 +2122,7 @@ ScVbaRange::Font() throw ( script::BasicErrorException, uno::RuntimeException)
         xProps.set(mxRanges, ::uno::UNO_QUERY );
 
     ScVbaPalette aPalette( rDoc.GetDocumentShell() );
-    ScCellRangeObj* pRangeObj = NULL;
+    ScCellRangeObj* pRangeObj = nullptr;
     try
     {
         pRangeObj = getCellRangeObj();
@@ -2953,7 +2953,7 @@ ScVbaRange::getComment() throw (uno::RuntimeException, std::exception)
     // comment defined
     uno::Reference< excel::XComment > xComment( new ScVbaComment( this, mxContext, getUnoModel(), mxRange ) );
     if ( xComment->Text( uno::Any(), uno::Any(), uno::Any() ).isEmpty() )
-        return NULL;
+        return nullptr;
     return xComment;
 
 }
@@ -4244,7 +4244,7 @@ ScVbaRange::ApplicationRange( const uno::Reference< uno::XComponentContext >& xC
 // Helper functions for AutoFilter
 static ScDBData* lcl_GetDBData_Impl( ScDocShell* pDocShell, sal_Int16 nSheet )
 {
-    ScDBData* pRet = NULL;
+    ScDBData* pRet = nullptr;
     if (pDocShell)
     {
         pRet = pDocShell->GetDocument().GetAnonymousDBData(nSheet);
@@ -4260,7 +4260,7 @@ static void lcl_SelectAll( ScDocShell* pDocShell, ScQueryParam& aParam )
         if ( pViewData )
         {
             OSL_TRACE("Pushing out SelectAll query");
-            pViewData->GetView()->Query( aParam, NULL, true );
+            pViewData->GetView()->Query( aParam, nullptr, true );
         }
     }
 }
@@ -4412,7 +4412,7 @@ ScVbaRange::AutoFilter( const uno::Any& aField, const uno::Any& Criteria1, const
             RangeHelper multiCellRange( mxRange );
             autoFiltAddress = multiCellRange.getCellRangeAddressable()->getRangeAddress();
             // #163530# Filter box shows only entry of first row
-            ScDocument* pDocument = ( pShell ? &pShell->GetDocument() : NULL );
+            ScDocument* pDocument = ( pShell ? &pShell->GetDocument() : nullptr );
             if ( pDocument )
             {
                 SCCOL nStartCol = autoFiltAddress.StartColumn;
@@ -4444,7 +4444,7 @@ ScVbaRange::AutoFilter( const uno::Any& aField, const uno::Any& Criteria1, const
 		// set header (autofilter always need column headers)
         uno::Reference< beans::XPropertySet > xFiltProps( xDataBaseRange->getFilterDescriptor(), uno::UNO_QUERY_THROW );
         bool bHasColHeader = false;
-        ScDocument* pDoc = pShell ? &pShell->GetDocument() : NULL;
+        ScDocument* pDoc = pShell ? &pShell->GetDocument() : nullptr;
         if (pDoc)
         {
             bHasColHeader = pDoc->HasColHeader(  static_cast< SCCOL >( autoFiltAddress.StartColumn ), static_cast< SCROW >( autoFiltAddress.StartRow ), static_cast< SCCOL >( autoFiltAddress.EndColumn ), static_cast< SCROW >( autoFiltAddress.EndRow ), static_cast< SCTAB >( autoFiltAddress.Sheet ) );
@@ -4662,7 +4662,7 @@ ScVbaRange::Insert( const uno::Any& Shift, const uno::Any& /*CopyOrigin*/ ) thro
 
     // Paste from clipboard only if the clipboard content was copied via VBA, and not already pasted via VBA again.
     // "Insert" behavior should not depend on random clipboard content previously copied by the user.
-    ScTransferObj* pClipObj = ScTransferObj::GetOwnClipboard( NULL );
+    ScTransferObj* pClipObj = ScTransferObj::GetOwnClipboard( nullptr );
     if ( pClipObj && pClipObj->GetUseInApi() )
     {
         // After the insert ( this range ) actually has moved
@@ -4935,7 +4935,7 @@ ScVbaRange::MergeArea() throw (script::BasicErrorException, uno::RuntimeExceptio
 void SAL_CALL
 ScVbaRange::PrintOut( const uno::Any& From, const uno::Any& To, const uno::Any& Copies, const uno::Any& Preview, const uno::Any& ActivePrinter, const uno::Any& PrintToFile, const uno::Any& Collate, const uno::Any& PrToFileName ) throw (uno::RuntimeException, std::exception)
 {
-    ScDocShell* pShell = NULL;
+    ScDocShell* pShell = nullptr;
 
     sal_Int32 nItems = m_Areas->getCount();
     uno::Sequence<  table::CellRangeAddress > printAreas( nItems );
@@ -5078,7 +5078,7 @@ ScVbaRange::AutoFill(  const uno::Reference< excel::XRange >& Destination, const
     }
     double fEndValue =  MAXDOUBLE;
     ScDocShell* pDocSh = getDocShellFromRange( mxRange );
-    pDocSh->GetDocFunc().FillAuto( aSourceRange, NULL, eDir, eCmd, eDateCmd,
+    pDocSh->GetDocFunc().FillAuto( aSourceRange, nullptr, eDir, eCmd, eDateCmd,
                                    nCount, fStep, fEndValue, true, true );
 }
 sal_Bool SAL_CALL
diff --git a/sc/source/ui/vba/vbasheetobject.cxx b/sc/source/ui/vba/vbasheetobject.cxx
index 582bb9797d45..27e11885f920 100644
--- a/sc/source/ui/vba/vbasheetobject.cxx
+++ b/sc/source/ui/vba/vbasheetobject.cxx
@@ -107,7 +107,7 @@ void SAL_CALL ScVbaButtonCharacters::setText( const OUString& rText ) throw (uno
 
 uno::Reference< excel::XFont > SAL_CALL ScVbaButtonCharacters::getFont() throw (uno::RuntimeException, std::exception)
 {
-    return new ScVbaFont( this, mxContext, maPalette, mxPropSet, 0, true );
+    return new ScVbaFont( this, mxContext, maPalette, mxPropSet, nullptr, true );
 }
 
 void SAL_CALL ScVbaButtonCharacters::setFont( const uno::Reference< excel::XFont >& /*rxFont*/ ) throw (uno::RuntimeException, std::exception)
@@ -437,7 +437,7 @@ void SAL_CALL ScVbaButton::setCaption( const OUString& rCaption ) throw (uno::Ru
 
 uno::Reference< excel::XFont > SAL_CALL ScVbaButton::getFont() throw (uno::RuntimeException, std::exception)
 {
-    return new ScVbaFont( this, mxContext, maPalette, mxControlProps, 0, true );
+    return new ScVbaFont( this, mxContext, maPalette, mxControlProps, nullptr, true );
 }
 
 void SAL_CALL ScVbaButton::setFont( const uno::Reference< excel::XFont >& /*rxFont*/ ) throw (uno::RuntimeException, std::exception)
diff --git a/sc/source/ui/vba/vbatextboxshape.cxx b/sc/source/ui/vba/vbatextboxshape.cxx
index 747aad67543d..f3f1c7e7221d 100644
--- a/sc/source/ui/vba/vbatextboxshape.cxx
+++ b/sc/source/ui/vba/vbatextboxshape.cxx
@@ -47,7 +47,7 @@ uno::Reference< excel::XCharacters > SAL_CALL
 ScVbaTextBoxShape::characters( const uno::Any& Start, const uno::Any& Length ) throw (uno::RuntimeException, std::exception)
 {
     ScDocShell* pDocShell = excel::getDocShell( m_xModel );
-    ScDocument* pDoc = pDocShell ? &pDocShell->GetDocument() : NULL;
+    ScDocument* pDoc = pDocShell ? &pDocShell->GetDocument() : nullptr;
 
     if ( !pDoc )
         throw uno::RuntimeException("Failed to access document from shell" );
diff --git a/sc/source/ui/vba/vbaworksheets.cxx b/sc/source/ui/vba/vbaworksheets.cxx
index 13ad4ed2173a..2fb6e1843fd9 100644
--- a/sc/source/ui/vba/vbaworksheets.cxx
+++ b/sc/source/ui/vba/vbaworksheets.cxx
@@ -511,7 +511,7 @@ void ScVbaWorksheets::PrintPreview( const css::uno::Any& /*EnableChanges*/ ) thr
     // need test, print preview current active sheet
     // !! TODO !! get view shell from controller
     ScTabViewShell* pViewShell = excel::getBestViewShell( mxModel );
-    SfxViewFrame* pViewFrame = NULL;
+    SfxViewFrame* pViewFrame = nullptr;
     if ( pViewShell )
         pViewFrame = pViewShell->GetViewFrame();
     if ( pViewFrame )
diff --git a/sc/source/ui/vba/vbawsfunction.cxx b/sc/source/ui/vba/vbawsfunction.cxx
index 8314107b1213..cefd3fa790b2 100644
--- a/sc/source/ui/vba/vbawsfunction.cxx
+++ b/sc/source/ui/vba/vbawsfunction.cxx
@@ -147,7 +147,7 @@ ScVbaWSFunction::invoke(const OUString& FunctionName, const uno::Sequence< uno::
     bool bAsArray = true;
 
     // special handing for some functions that don't work correctly in FunctionAccess
-    ScCompiler aCompiler( 0, ScAddress() );
+    ScCompiler aCompiler( nullptr, ScAddress() );
     OpCode eOpCode = aCompiler.GetEnglishOpCode( FunctionName.toAsciiUpperCase() );
     switch( eOpCode )
     {
@@ -265,7 +265,7 @@ ScVbaWSFunction::hasMethod(const OUString& Name)  throw(uno::RuntimeException, s
     // the function name contained in the com.sun.star.sheet.FunctionDescription service is alwayse localized.
         // but the function name used in WorksheetFunction is a programmatic name (seems English).
         // So m_xNameAccess->hasByName( Name ) may fail to find name when a function name has a localized name.
-        ScCompiler aCompiler( NULL, ScAddress() );
+        ScCompiler aCompiler( nullptr, ScAddress() );
         if( aCompiler.IsEnglishSymbol( Name ) )
             bIsFound = true;
     }
diff --git a/sc/source/ui/view/cellsh.cxx b/sc/source/ui/view/cellsh.cxx
index 735e2c7e8527..94952800fa03 100644
--- a/sc/source/ui/view/cellsh.cxx
+++ b/sc/source/ui/view/cellsh.cxx
@@ -182,7 +182,7 @@ void ScCellShell::GetBlockState( SfxItemSet& rSet )
 
             case FID_FILL_SERIES:       // fill block
             case SID_OPENDLG_TABOP:     // multiple-cell operations, are at least 2 cells marked?
-                if (pDoc->GetChangeTrack()!=NULL &&nWhich ==SID_OPENDLG_TABOP)
+                if (pDoc->GetChangeTrack()!=nullptr &&nWhich ==SID_OPENDLG_TABOP)
                     bDisable = true;
                 else
                     bDisable = (!bSimpleArea) || (nCol1 == nCol2 && nRow1 == nRow2);
@@ -406,7 +406,7 @@ static bool lcl_TestFormat( SvxClipboardFormatItem& rFormats, const Transferable
 void ScCellShell::GetPossibleClipboardFormats( SvxClipboardFormatItem& rFormats )
 {
     vcl::Window* pWin = GetViewData()->GetActiveWin();
-    bool bDraw = ( ScDrawTransferObj::GetOwnClipboard( pWin ) != NULL );
+    bool bDraw = ( ScDrawTransferObj::GetOwnClipboard( pWin ) != nullptr );
 
     TransferableDataHelper aDataHelper( TransferableDataHelper::CreateFromSystemClipboard( pWin ) );
 
@@ -438,7 +438,7 @@ void ScCellShell::GetPossibleClipboardFormats( SvxClipboardFormatItem& rFormats
 static bool lcl_IsCellPastePossible( const TransferableDataHelper& rData )
 {
     bool bPossible = false;
-    if ( ScTransferObj::GetOwnClipboard( NULL ) || ScDrawTransferObj::GetOwnClipboard( NULL ) )
+    if ( ScTransferObj::GetOwnClipboard( nullptr ) || ScDrawTransferObj::GetOwnClipboard( nullptr ) )
         bPossible = true;
     else
     {
@@ -876,7 +876,7 @@ void ScCellShell::GetState(SfxItemSet &rSet)
                     {
                         //! test for data pilot operation
                     }
-                    else if (pDoc->GetChangeTrack()!=NULL || GetViewData()->IsMultiMarked())
+                    else if (pDoc->GetChangeTrack()!=nullptr || GetViewData()->IsMultiMarked())
                     {
                         rSet.DisableItem( nWhich );
                     }
@@ -1030,7 +1030,7 @@ void ScCellShell::GetState(SfxItemSet &rSet)
             case SID_OPENDLG_CONSOLIDATE:
             case SCITEM_CONSOLIDATEDATA:
                 {
-                    if(pDoc->GetChangeTrack()!=NULL)
+                    if(pDoc->GetChangeTrack()!=nullptr)
                                 rSet.DisableItem( nWhich);
                 }
                 break;
@@ -1070,11 +1070,11 @@ void ScCellShell::GetState(SfxItemSet &rSet)
                     if ( pDoc && pData && pDoc->IsTabProtected( pData->GetTabNo() ) )
                     {
                         bool bVisible = false;
-                        SfxViewFrame* pViewFrame = ( pTabViewShell ? pTabViewShell->GetViewFrame() : NULL );
+                        SfxViewFrame* pViewFrame = ( pTabViewShell ? pTabViewShell->GetViewFrame() : nullptr );
                         if ( pViewFrame && pViewFrame->HasChildWindow( nWhich ) )
                         {
                             SfxChildWindow* pChild = pViewFrame->GetChildWindow( nWhich );
-                            vcl::Window* pWin = ( pChild ? pChild->GetWindow() : NULL );
+                            vcl::Window* pWin = ( pChild ? pChild->GetWindow() : nullptr );
                             if ( pWin && pWin->IsVisible() )
                             {
                                 bVisible = true;
diff --git a/sc/source/ui/view/cellsh1.cxx b/sc/source/ui/view/cellsh1.cxx
index 27eb61498720..4c332daaeeca 100644
--- a/sc/source/ui/view/cellsh1.cxx
+++ b/sc/source/ui/view/cellsh1.cxx
@@ -750,7 +750,7 @@ void ScCellShell::ExecuteEdit( SfxRequest& rReq )
                     if( ! rReq.IsAPI() )
                     {
                         OUString  aPara;
-                        Color*  pColor=0;
+                        Color*  pColor=nullptr;
 
                         switch( eFillDir )
                         {
@@ -1746,7 +1746,7 @@ void ScCellShell::ExecuteEdit( SfxRequest& rReq )
                         if( xInit.is() )
                         {
                             //  initialize dialog
-                            Reference< awt::XWindow > xDialogParentWindow(0);
+                            Reference< awt::XWindow > xDialogParentWindow(nullptr);
                             Sequence<Any> aSeq(1);
                             Any* pArray = aSeq.getArray();
                             PropertyValue aParam;
@@ -2314,7 +2314,7 @@ void ScCellShell::ExecuteEdit( SfxRequest& rReq )
             {
                 OUString aChars, aFontName;
                 const SfxItemSet *pArgs = rReq.GetArgs();
-                const SfxPoolItem* pItem = 0;
+                const SfxPoolItem* pItem = nullptr;
                 if ( pArgs )
                     pArgs->GetItemState(GetPool().GetWhich(SID_CHARMAP), false, &pItem);
                 if ( pItem )
diff --git a/sc/source/ui/view/cellsh2.cxx b/sc/source/ui/view/cellsh2.cxx
index 578f47e45bbf..c2c19baa525e 100644
--- a/sc/source/ui/view/cellsh2.cxx
+++ b/sc/source/ui/view/cellsh2.cxx
@@ -549,7 +549,7 @@ void ScCellShell::ExecuteDB( SfxRequest& rReq )
                 {
                     OSL_FAIL("SID_FILTER with arguments?");
                     pTabViewShell->Query( static_cast<const ScQueryItem&>(
-                            pArgs->Get( SCITEM_QUERYDATA )).GetQueryData(), NULL, true );
+                            pArgs->Get( SCITEM_QUERYDATA )).GetQueryData(), nullptr, true );
                     rReq.Done();
                 }
                 else
@@ -570,7 +570,7 @@ void ScCellShell::ExecuteDB( SfxRequest& rReq )
                 {
                     OSL_FAIL("SID_SPECIAL_FILTER with arguments?");
                     pTabViewShell->Query( static_cast<const ScQueryItem&>(
-                            pArgs->Get( SCITEM_QUERYDATA )).GetQueryData(), NULL, true );
+                            pArgs->Get( SCITEM_QUERYDATA )).GetQueryData(), nullptr, true );
                     rReq.Done();
                 }
                 else
@@ -608,7 +608,7 @@ void ScCellShell::ExecuteDB( SfxRequest& rReq )
                     if (rQueryItem.GetAdvancedQuerySource(aAdvSource))
                         pTabViewShell->Query( rQueryItem.GetQueryData(), &aAdvSource, true );
                     else
-                        pTabViewShell->Query( rQueryItem.GetQueryData(), NULL, true );
+                        pTabViewShell->Query( rQueryItem.GetQueryData(), nullptr, true );
                     rReq.Done( *pReqArgs );
                 }
             }
@@ -624,7 +624,7 @@ void ScCellShell::ExecuteDB( SfxRequest& rReq )
                 for (SCSIZE i=0; i<nEC; i++)
                     aParam.GetEntry(i).bDoQuery = false;
                 aParam.bDuplicate = true;
-                pTabViewShell->Query( aParam, NULL, true );
+                pTabViewShell->Query( aParam, nullptr, true );
                 rReq.Done();
             }
             break;
@@ -844,7 +844,7 @@ void ScCellShell::ExecuteDB( SfxRequest& rReq )
                     }
 
                     // cell range picker
-                    SfxAbstractTabDialog* pDlg = pFact->CreateScValidationDlg(NULL, &aArgSet, pTabViewShell);
+                    SfxAbstractTabDialog* pDlg = pFact->CreateScValidationDlg(nullptr, &aArgSet, pTabViewShell);
                     assert(pDlg); //Dialog create fail!
 
                     short nResult = pDlg->Execute();
@@ -976,7 +976,7 @@ void ScCellShell::ExecuteDB( SfxRequest& rReq )
                     ScAbstractDialogFactory* pFact = ScAbstractDialogFactory::Create();
                     OSL_ENSURE( pFact, "ScCellShell::ExecuteDB: SID_TEXT_TO_COLUMNS - pFact is null!" );
                     std::unique_ptr<AbstractScImportAsciiDlg> pDlg(pFact->CreateScImportAsciiDlg(
-                        NULL, OUString(), &aStream, SC_TEXTTOCOLUMNS));
+                        nullptr, OUString(), &aStream, SC_TEXTTOCOLUMNS));
                     OSL_ENSURE( pDlg, "ScCellShell::ExecuteDB: SID_TEXT_TO_COLUMNS - pDlg is null!" );
 
                     if ( pDlg->Execute() == RET_OK )
@@ -1031,7 +1031,7 @@ void ScCellShell::GetDBState( SfxItemSet& rSet )
                     //  or filter,sort,subtotal (also without import)
                     bool bOk = false;
                     ScDBData* pDBData = pTabViewShell->GetDBData(false,SC_DB_OLD);
-                    if (pDBData && rDoc.GetChangeTrack() == NULL)
+                    if (pDBData && rDoc.GetChangeTrack() == nullptr)
                     {
                         if ( pDBData->HasImportParam() )
                             bOk = !pDBData->HasImportSelection();
@@ -1068,7 +1068,7 @@ void ScCellShell::GetDBState( SfxItemSet& rSet )
                 {
                     //! move ReadOnly check to idl flags
 
-                    if ( pDocSh->IsReadOnly() || rDoc.GetChangeTrack()!=NULL ||
+                    if ( pDocSh->IsReadOnly() || rDoc.GetChangeTrack()!=nullptr ||
                             GetViewData()->IsMultiMarked() )
                     {
                         rSet.DisableItem( nWhich );
@@ -1081,7 +1081,7 @@ void ScCellShell::GetDBState( SfxItemSet& rSet )
                     //  only imported data without selection
                     ScDBData* pDBData = pTabViewShell->GetDBData(false,SC_DB_OLD);
                     if (!pDBData || !pDBData->HasImportParam() || pDBData->HasImportSelection() ||
-                        rDoc.GetChangeTrack()!=NULL)
+                        rDoc.GetChangeTrack()!=nullptr)
                     {
                         rSet.DisableItem( nWhich );
                     }
@@ -1094,7 +1094,7 @@ void ScCellShell::GetDBState( SfxItemSet& rSet )
                         rSet.Put(SfxVisibilityItem(nWhich, false));
                     else
                         //  get state (BoolItem) from SfxViewFrame
-                        pTabViewShell->GetViewFrame()->GetSlotState( nWhich, NULL, &rSet );
+                        pTabViewShell->GetViewFrame()->GetSlotState( nWhich, nullptr, &rSet );
                 }
                 break;
             case SID_SBA_BRW_INSERT:
diff --git a/sc/source/ui/view/cellsh3.cxx b/sc/source/ui/view/cellsh3.cxx
index 934295b1c6d2..d2fd259467b8 100644
--- a/sc/source/ui/view/cellsh3.cxx
+++ b/sc/source/ui/view/cellsh3.cxx
@@ -219,7 +219,7 @@ void ScCellShell::Execute( SfxRequest& rReq )
         case FID_INPUTLINE_BLOCK:
         case FID_INPUTLINE_MATRIX:
             {
-                if( pReqArgs == 0 ) //XXX temporary HACK to avoid GPF
+                if( pReqArgs == nullptr ) //XXX temporary HACK to avoid GPF
                     break;
 
                 const ScInputStatusItem* pStatusItem
@@ -259,7 +259,7 @@ void ScCellShell::Execute( SfxRequest& rReq )
 
                             const SfxPoolItem* aArgs[2];
                             aArgs[0] = &aItem;
-                            aArgs[1] = NULL;
+                            aArgs[1] = nullptr;
                             rBindings.Execute( SID_ENTER_STRING, aArgs );
                         }
                         else
@@ -273,7 +273,7 @@ void ScCellShell::Execute( SfxRequest& rReq )
                     }
                     else if (nSlot == FID_INPUTLINE_BLOCK)
                     {
-                        pTabViewShell->EnterBlock( aString, NULL );
+                        pTabViewShell->EnterBlock( aString, nullptr );
                         rReq.Done();
                     }
                     else
@@ -316,7 +316,7 @@ void ScCellShell::Execute( SfxRequest& rReq )
 
         case FID_CELL_FORMAT:
             {
-                if ( pReqArgs != NULL )
+                if ( pReqArgs != nullptr )
                 {
 
                     // set cell attribute without dialog:
@@ -331,7 +331,7 @@ void ScCellShell::Execute( SfxRequest& rReq )
                                                         ATTR_PATTERN_START,
                                                         ATTR_PATTERN_END ));
 
-                    const SfxPoolItem*  pAttr = NULL;
+                    const SfxPoolItem*  pAttr = nullptr;
                     sal_uInt16              nWhich = 0;
 
                     for ( nWhich=ATTR_PATTERN_START; nWhich<=ATTR_PATTERN_END; nWhich++ )
@@ -345,7 +345,7 @@ void ScCellShell::Execute( SfxRequest& rReq )
 
                     rReq.Done();
                 }
-                else if ( pReqArgs == NULL )
+                else if ( pReqArgs == nullptr )
                 {
                     pTabViewShell->ExecuteCellFormatDlg( rReq );
                 }
@@ -466,7 +466,7 @@ void ScCellShell::Execute( SfxRequest& rReq )
                         }
                         while ( !bValid && i <= MAXTAB + 2 );
 
-                        if ( pReqArgs != NULL )
+                        if ( pReqArgs != nullptr )
                         {
                             OUString aArgName;
                             OUString aArgComment;
@@ -729,7 +729,7 @@ void ScCellShell::Execute( SfxRequest& rReq )
                     case FID_MERGE_TOGGLE:
                     {
                         bCenter = true;
-                        SfxPoolItem* pItem = 0;
+                        SfxPoolItem* pItem = nullptr;
                         if( rBindings.QueryState( nSlot, pItem ) >= SfxItemState::DEFAULT )
                             bMerge = !static_cast< SfxBoolItem* >( pItem )->GetValue();
 
diff --git a/sc/source/ui/view/cellsh4.cxx b/sc/source/ui/view/cellsh4.cxx
index 0cd2a9fd64f7..5fe24c6716c3 100644
--- a/sc/source/ui/view/cellsh4.cxx
+++ b/sc/source/ui/view/cellsh4.cxx
@@ -40,7 +40,7 @@ void ScCellShell::ExecuteCursor( SfxRequest& rReq )
     bool                bSel = false;
     bool                bKeep = false;
 
-    if ( pReqArgs != NULL )
+    if ( pReqArgs != nullptr )
     {
         const   SfxPoolItem* pItem;
         if (pReqArgs->HasItem(FN_PARAM_1, &pItem))
@@ -208,7 +208,7 @@ void ScCellShell::ExecuteCursorSel( SfxRequest& rReq )
     SCsCOLROW nRepeat = 1;
     const SfxItemSet* pReqArgs = rReq.GetArgs();
     // get repetition
-    if ( pReqArgs != NULL )
+    if ( pReqArgs != nullptr )
     {
         const SfxPoolItem* pItem;
         if (pReqArgs->HasItem(FN_PARAM_1, &pItem))
@@ -396,7 +396,7 @@ void ScCellShell::ExecutePage( SfxRequest& rReq )
     bool                bSel = false;
     bool                bKeep = false;
 
-    if ( pReqArgs != NULL )
+    if ( pReqArgs != nullptr )
     {
         const   SfxPoolItem* pItem;
         if (pReqArgs->HasItem(FN_PARAM_2, &pItem))
diff --git a/sc/source/ui/view/colrowba.cxx b/sc/source/ui/view/colrowba.cxx
index d56a18a8a1ea..027bf58b0cd3 100644
--- a/sc/source/ui/view/colrowba.cxx
+++ b/sc/source/ui/view/colrowba.cxx
@@ -235,7 +235,7 @@ sal_uInt16 ScRowBar::GetEntrySize( SCCOLROW nEntryNo ) const
     ScDocument* pDoc = pViewData->GetDocument();
     SCTAB nTab = pViewData->GetTabNo();
     SCROW nLastRow = -1;
-    if (pDoc->RowHidden(nEntryNo, nTab, NULL, &nLastRow))
+    if (pDoc->RowHidden(nEntryNo, nTab, nullptr, &nLastRow))
         return 0;
     else
         return (sal_uInt16) ScViewData::ToPixel( pDoc->GetOriginalHeight( nEntryNo,
diff --git a/sc/source/ui/view/dbfunc.cxx b/sc/source/ui/view/dbfunc.cxx
index f9c3c4b7f099..c1de01ee4a33 100644
--- a/sc/source/ui/view/dbfunc.cxx
+++ b/sc/source/ui/view/dbfunc.cxx
@@ -78,7 +78,7 @@ void ScDBFunc::GotoDBArea( const OUString& rDBName )
 ScDBData* ScDBFunc::GetDBData( bool bMark, ScGetDBMode eMode, ScGetDBSelection eSel )
 {
     ScDocShell* pDocSh = GetViewData().GetDocShell();
-    ScDBData* pData = NULL;
+    ScDBData* pData = nullptr;
     ScRange aRange;
     ScMarkType eMarkType = GetViewData().GetSimpleArea(aRange);
     if ( eMarkType == SC_MARK_SIMPLE || eMarkType == SC_MARK_SIMPLE_FILTERED )
@@ -154,7 +154,7 @@ ScDBData* ScDBFunc::GetDBData( bool bMark, ScGetDBMode eMode, ScGetDBSelection e
                     eMode, SC_DBSEL_KEEP );
 
     if (!pData)
-        return NULL;
+        return nullptr;
 
     if (bMark)
     {
@@ -171,7 +171,7 @@ ScDBData* ScDBFunc::GetAnonymousDBData()
     ScRange aRange;
     ScMarkType eMarkType = GetViewData().GetSimpleArea(aRange);
     if (eMarkType != SC_MARK_SIMPLE && eMarkType != SC_MARK_SIMPLE_FILTERED)
-        return NULL;
+        return nullptr;
 
     // Expand to used data area if not explicitly marked.
     const ScMarkData& rMarkData = GetViewData().GetMarkData();
@@ -340,7 +340,7 @@ void ScDBFunc::ToggleAutoFilter()
         for (SCSIZE i=0; i<nEC; i++)
             aParam.GetEntry(i).bDoQuery = false;
         aParam.bDuplicate = true;
-        Query( aParam, NULL, true );
+        Query( aParam, nullptr, true );
 
         pDocSh->GetUndoManager()->LeaveListAction();
 
@@ -451,7 +451,7 @@ bool ScDBFunc::ImportData( const ScImportParam& rParam, bool bRecord )
     }
 
     ScDBDocFunc aDBDocFunc( *GetViewData().GetDocShell() );
-    return aDBDocFunc.DoImport( GetViewData().GetTabNo(), rParam, NULL, bRecord );
+    return aDBDocFunc.DoImport( GetViewData().GetTabNo(), rParam, nullptr, bRecord );
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/view/dbfunc3.cxx b/sc/source/ui/view/dbfunc3.cxx
index 4e48e43275bf..02bc6c82e5bb 100644
--- a/sc/source/ui/view/dbfunc3.cxx
+++ b/sc/source/ui/view/dbfunc3.cxx
@@ -147,7 +147,7 @@ void ScDBFunc::TestRemoveOutline( bool& rCol, bool& rRow )
             {
                 ScOutlineArray& rArray = pTable->GetColArray();
                 ScSubOutlineIterator aColIter( &rArray );
-                while ((pEntry=aColIter.GetNext()) != NULL && !bColFound)
+                while ((pEntry=aColIter.GetNext()) != nullptr && !bColFound)
                 {
                     nStart = pEntry->GetStart();
                     nEnd   = pEntry->GetEnd();
@@ -162,7 +162,7 @@ void ScDBFunc::TestRemoveOutline( bool& rCol, bool& rRow )
             {
                 ScOutlineArray& rArray = pTable->GetRowArray();
                 ScSubOutlineIterator aRowIter( &rArray );
-                while ((pEntry=aRowIter.GetNext()) != NULL && !bRowFound)
+                while ((pEntry=aRowIter.GetNext()) != nullptr && !bRowFound)
                 {
                     nStart = pEntry->GetStart();
                     nEnd   = pEntry->GetEnd();
@@ -277,7 +277,7 @@ bool ScDBFunc::OutlinePossible(bool bHide)
 
             ScOutlineArray& rColArray = pTable->GetColArray();
             ScSubOutlineIterator aColIter( &rColArray );
-            while ((pEntry=aColIter.GetNext()) != NULL && !bEnable)
+            while ((pEntry=aColIter.GetNext()) != nullptr && !bEnable)
             {
                 nStart = pEntry->GetStart();
                 nEnd   = pEntry->GetEnd();
@@ -299,7 +299,7 @@ bool ScDBFunc::OutlinePossible(bool bHide)
 
             ScOutlineArray& rRowArray = pTable->GetRowArray();
             ScSubOutlineIterator aRowIter( &rRowArray );
-            while ((pEntry=aRowIter.GetNext()) != NULL)
+            while ((pEntry=aRowIter.GetNext()) != nullptr)
             {
                 nStart = pEntry->GetStart();
                 nEnd   = pEntry->GetEnd();
@@ -409,10 +409,10 @@ void ScDBFunc::DoSubTotals( const ScSubTotalParam& rParam, bool bRecord,
         ScDocShellModificator aModificator( *pDocSh );
 
         ScSubTotalParam aNewParam( rParam );        // change end of range
-        ScDocument*     pUndoDoc = NULL;
-        ScOutlineTable* pUndoTab = NULL;
-        ScRangeName*    pUndoRange = NULL;
-        ScDBCollection* pUndoDB = NULL;
+        ScDocument*     pUndoDoc = nullptr;
+        ScOutlineTable* pUndoTab = nullptr;
+        ScRangeName*    pUndoRange = nullptr;
+        ScDBCollection* pUndoDB = nullptr;
 
         if (bRecord)                                        // record old data
         {
@@ -616,7 +616,7 @@ bool ScDBFunc::MakePivotTable(
     else
         aObj.SetSaveData( rData );
 
-    bool bAllowMove = (pDPObj != NULL);   // allow re-positioning when editing existing table
+    bool bAllowMove = (pDPObj != nullptr);   // allow re-positioning when editing existing table
 
     ScDBDocFunc aFunc( *pDocSh );
     bool bSuccess = aFunc.DataPilotUpdate(pDPObj, &aObj, true, false, bAllowMove);
@@ -1111,12 +1111,12 @@ void ScDBFunc::GroupDataPilot()
         }
     }
 
-    ScDPSaveGroupDimension* pNewGroupDim = NULL;
+    ScDPSaveGroupDimension* pNewGroupDim = nullptr;
     if ( !pGroupDimension )
     {
         // create a new group dimension
         OUString aGroupDimName =
-            pDimData->CreateGroupDimName(aBaseDimName, *pDPObj, false, NULL);
+            pDimData->CreateGroupDimName(aBaseDimName, *pDPObj, false, nullptr);
         pNewGroupDim = new ScDPSaveGroupDimension( aBaseDimName, aGroupDimName );
 
         pGroupDimension = pNewGroupDim;     // make changes to the new dim if none existed
@@ -1174,7 +1174,7 @@ void ScDBFunc::GroupDataPilot()
         delete pNewGroupDim;        // AddGroupDimension copies the object
         // don't access pGroupDimension after here
     }
-    pGroupDimension = pNewGroupDim = NULL;
+    pGroupDimension = pNewGroupDim = nullptr;
 
     // set orientation
     ScDPSaveDimension* pSaveDimension = aData.GetDimensionByName( aGroupDimName );
@@ -1588,7 +1588,7 @@ void ScDBFunc::DataPilotInput( const ScAddress& rPos, const OUString& rString )
 
 static void lcl_MoveToEnd( ScDPSaveDimension& rDim, const OUString& rItemName )
 {
-    ScDPSaveMember* pNewMember = NULL;
+    ScDPSaveMember* pNewMember = nullptr;
     const ScDPSaveMember* pOldMember = rDim.GetExistingMemberByName( rItemName );
     if ( pOldMember )
         pNewMember = new ScDPSaveMember( *pOldMember );
@@ -1908,7 +1908,7 @@ void ScDBFunc::SetDataPilotDetails(bool bShow, const OUString* pNewDimensionName
                     //  add the new dimension with the same orientation, at the end
 
                     ScDPSaveDimension* pNewDim = aData.GetDimensionByName( *pNewDimensionName );
-                    ScDPSaveDimension* pDuplicated = NULL;
+                    ScDPSaveDimension* pDuplicated = nullptr;
                     if ( pNewDim->GetOrientation() == sheet::DataPilotFieldOrientation_DATA )
                     {
                         // Need to duplicate the dimension, create column/row in addition to data:
@@ -2105,10 +2105,10 @@ void ScDBFunc::RepeatDB( bool bRecord )
 
         //! undo only needed data ?
 
-        ScDocument* pUndoDoc = NULL;
-        ScOutlineTable* pUndoTab = NULL;
-        ScRangeName* pUndoRange = NULL;
-        ScDBCollection* pUndoDB = NULL;
+        ScDocument* pUndoDoc = nullptr;
+        ScOutlineTable* pUndoTab = nullptr;
+        ScRangeName* pUndoRange = nullptr;
+        ScDBCollection* pUndoDB = nullptr;
 
         if (bRecord)
         {
@@ -2174,7 +2174,7 @@ void ScDBFunc::RepeatDB( bool bRecord )
                 Query( aQueryParam, &aAdvSource, false );
             }
             else
-                Query( aQueryParam, NULL, false );
+                Query( aQueryParam, nullptr, false );
 
             // if not inplace the sheet may have changed
             if ( !aQueryParam.bInplace && aQueryParam.nDestTab != nTab )
@@ -2194,8 +2194,8 @@ void ScDBFunc::RepeatDB( bool bRecord )
             SCROW nDummyRow, nNewEndRow;
             pDBData->GetArea( nDummyTab, nDummyCol,nDummyRow, nDummyCol,nNewEndRow );
 
-            const ScRange* pOld = NULL;
-            const ScRange* pNew = NULL;
+            const ScRange* pOld = nullptr;
+            const ScRange* pNew = nullptr;
             if (bQuerySize)
             {
                 ScDBData* pDest = pDoc->GetDBAtCursor( aQueryParam.nDestCol, aQueryParam.nDestRow,
diff --git a/sc/source/ui/view/drawutil.cxx b/sc/source/ui/view/drawutil.cxx
index 668337aac0da..ea4a83fa0d37 100644
--- a/sc/source/ui/view/drawutil.cxx
+++ b/sc/source/ui/view/drawutil.cxx
@@ -45,7 +45,7 @@ void ScDrawUtil::CalcScale( ScDocument* pDoc, SCTAB nTab,
     for (SCROW nRow = nStartRow; nRow <= nEndRow-1; ++nRow)
     {
         SCROW nLastRow = nRow;
-        if (pDoc->RowHidden(nRow, nTab, NULL, &nLastRow))
+        if (pDoc->RowHidden(nRow, nTab, nullptr, &nLastRow))
         {
             nRow = nLastRow;
             continue;
diff --git a/sc/source/ui/view/drawvie3.cxx b/sc/source/ui/view/drawvie3.cxx
index 43bf80d1206f..85228549b314 100644
--- a/sc/source/ui/view/drawvie3.cxx
+++ b/sc/source/ui/view/drawvie3.cxx
@@ -40,8 +40,8 @@ ScDrawView::ScDrawView( OutputDevice* pOut, ScViewData* pData ) :
     pDev( pOut ),
     pDoc( pData->GetDocument() ),
     nTab( pData->GetTabNo() ),
-    pDropMarker( NULL ),
-    pDropMarkObj( NULL ),
+    pDropMarker( nullptr ),
+    pDropMarkObj( nullptr ),
     bInConstruct( true )
 {
     // #i73602# Use default from the configuration
@@ -202,7 +202,7 @@ void ScDrawView::UpdateIMap( SdrObject* pObj )
         Graphic     aGraphic;
         TargetList  aTargetList;
         ScIMapInfo* pIMapInfo = ScDrawLayer::GetIMapInfo( pObj );
-        const ImageMap* pImageMap = NULL;
+        const ImageMap* pImageMap = nullptr;
         if ( pIMapInfo )
             pImageMap = &pIMapInfo->GetImageMap();
 
diff --git a/sc/source/ui/view/drawvie4.cxx b/sc/source/ui/view/drawvie4.cxx
index 2100793ffdf8..000d36480e79 100644
--- a/sc/source/ui/view/drawvie4.cxx
+++ b/sc/source/ui/view/drawvie4.cxx
@@ -113,7 +113,7 @@ bool ScDrawView::BeginDrag( vcl::Window* pWindow, const Point& rStartPos )
         }
         ScDrawLayer::SetGlobalDrawPersist(aDragShellRef);
         SdrModel* pModel = GetMarkedObjModel();
-        ScDrawLayer::SetGlobalDrawPersist(NULL);
+        ScDrawLayer::SetGlobalDrawPersist(nullptr);
 
         //  Charts now always copy their data in addition to the source reference, so
         //  there's no need to call SchDLL::Update for the charts in the clipboard doc.
@@ -133,7 +133,7 @@ bool ScDrawView::BeginDrag( vcl::Window* pWindow, const Point& rStartPos )
         pTransferObj->SetDrawPersist( &aDragShellRef );    // keep persist for ole objects alive
         pTransferObj->SetDragSource( this );               // copies selection
 
-        SC_MOD()->SetDragObject( NULL, pTransferObj );     // for internal D&D
+        SC_MOD()->SetDragObject( nullptr, pTransferObj );     // for internal D&D
         pTransferObj->StartDrag( pWindow, DND_ACTION_COPYMOVE | DND_ACTION_LINK );
     }
 
@@ -371,7 +371,7 @@ void ScDrawView::DoCopy()
         copyChartRefDataToClipDoc(pDoc, &rClipDoc, aRanges);
     }
     SdrModel* pModel = GetMarkedObjModel();
-    ScDrawLayer::SetGlobalDrawPersist(NULL);
+    ScDrawLayer::SetGlobalDrawPersist(nullptr);
 
     //  Charts now always copy their data in addition to the source reference, so
     //  there's no need to call SchDLL::Update for the charts in the clipboard doc.
@@ -394,7 +394,7 @@ void ScDrawView::DoCopy()
     }
 
     pTransferObj->CopyToClipboard( pViewData->GetActiveWin() );     // system clipboard
-    SC_MOD()->SetClipObject( NULL, pTransferObj );                  // internal clipboard
+    SC_MOD()->SetClipObject( nullptr, pTransferObj );                  // internal clipboard
 }
 
 uno::Reference<datatransfer::XTransferable> ScDrawView::CopyToTransferable()
@@ -406,7 +406,7 @@ uno::Reference<datatransfer::XTransferable> ScDrawView::CopyToTransferable()
     // update ScGlobal::xDrawClipDocShellRef
     ScDrawLayer::SetGlobalDrawPersist( ScTransferObj::SetDrawClipDoc( bAnyOle ) );
     SdrModel* pModel = GetMarkedObjModel();
-    ScDrawLayer::SetGlobalDrawPersist(NULL);
+    ScDrawLayer::SetGlobalDrawPersist(nullptr);
 
     //  Charts now always copy their data in addition to the source reference, so
     //  there's no need to call SchDLL::Update for the charts in the clipboard doc.
diff --git a/sc/source/ui/view/drawview.cxx b/sc/source/ui/view/drawview.cxx
index 0ff91a2e2a57..a4827144b7f5 100644
--- a/sc/source/ui/view/drawview.cxx
+++ b/sc/source/ui/view/drawview.cxx
@@ -123,7 +123,7 @@ void ScDrawView::ImplClearCalcDropMarker()
     if(pDropMarker)
     {
         delete pDropMarker;
-        pDropMarker = 0L;
+        pDropMarker = nullptr;
     }
 }
 
@@ -378,8 +378,8 @@ void ScDrawView::MarkListHasChanged()
 
     //  Select Ole object?
 
-    SdrOle2Obj* pOle2Obj = NULL;
-    SdrGrafObj* pGrafObj = NULL;
+    SdrOle2Obj* pOle2Obj = nullptr;
+    SdrGrafObj* pGrafObj = nullptr;
 
     const SdrMarkList& rMarkList = GetMarkedObjectList();
     const size_t nMarkCount = rMarkList.GetMarkCount();
@@ -592,7 +592,7 @@ void ScDrawView::ModelHasChanged()
     {
         //  SdrObjEditView::ModelHasChanged will end text edit in this case,
         //  so make sure the EditEngine's undo manager is no longer used.
-        pViewData->GetViewShell()->SetDrawTextUndo(NULL);
+        pViewData->GetViewShell()->SetDrawTextUndo(nullptr);
         SetCreateMode();    // don't leave FuText in a funny state
     }
 
@@ -649,7 +649,7 @@ SdrObject* ScDrawView::GetObjectByName(const OUString& rName)
             }
         }
     }
-    return 0;
+    return nullptr;
 }
 
 //realize multi-selection of objects
@@ -657,7 +657,7 @@ SdrObject* ScDrawView::GetObjectByName(const OUString& rName)
 bool ScDrawView::SelectCurrentViewObject( const OUString& rName )
 {
     sal_uInt16 nObjectTab = 0;
-    SdrObject* pFound = NULL;
+    SdrObject* pFound = nullptr;
     bool bUnMark = false;
     SfxObjectShell* pShell = pDoc->GetDocumentShell();
     if (pShell)
@@ -712,7 +712,7 @@ bool ScDrawView::SelectObject( const OUString& rName )
     UnmarkAll();
 
     SCTAB nObjectTab = 0;
-    SdrObject* pFound = NULL;
+    SdrObject* pFound = nullptr;
 
     SfxObjectShell* pShell = pDoc->GetDocumentShell();
     if (pShell)
@@ -765,7 +765,7 @@ bool ScDrawView::SelectObject( const OUString& rName )
         MarkObj( pFound, pPV );
     }
 
-    return ( pFound != NULL );
+    return ( pFound != nullptr );
 }
 
 //If  object  is marked , return true , else return false .
@@ -806,7 +806,7 @@ SdrObject* ScDrawView::GetMarkedNoteCaption( ScDrawObjData** ppCaptData )
             return pObj;
         }
     }
-    return 0;
+    return nullptr;
 }
 
 void ScDrawView::LockCalcLayer( SdrLayerID nLayer, bool bLock )
@@ -828,13 +828,13 @@ void ScDrawView::MakeVisible( const Rectangle& rRect, vcl::Window& rWin )
 void ScDrawView::DeleteMarked()
 {
     // try to delete a note caption object with its cell note in the Calc document
-    ScDrawObjData* pCaptData = 0;
+    ScDrawObjData* pCaptData = nullptr;
     if( SdrObject* pCaptObj = GetMarkedNoteCaption( &pCaptData ) )
     {
         (void)pCaptObj; // prevent 'unused variable' compiler warning in pro builds
         ScDrawLayer* pDrawLayer = pDoc->GetDrawLayer();
-        ScDocShell* pDocShell = pViewData ? pViewData->GetDocShell() : 0;
-        ::svl::IUndoManager* pUndoMgr = pDocShell ? pDocShell->GetUndoManager() : 0;
+        ScDocShell* pDocShell = pViewData ? pViewData->GetDocShell() : nullptr;
+        ::svl::IUndoManager* pUndoMgr = pDocShell ? pDocShell->GetUndoManager() : nullptr;
         bool bUndo = pDrawLayer && pDocShell && pUndoMgr && pDoc->IsUndoEnabled();
 
         // remove the cell note from document, we are its owner now
@@ -870,7 +870,7 @@ SdrEndTextEditKind ScDrawView::ScEndTextEdit()
     SdrEndTextEditKind eKind = SdrEndTextEdit();
 
     if ( bIsTextEdit && pViewData )
-        pViewData->GetViewShell()->SetDrawTextUndo(NULL);   // the "normal" undo manager
+        pViewData->GetViewShell()->SetDrawTextUndo(nullptr);   // the "normal" undo manager
 
     return eKind;
 }
@@ -943,7 +943,7 @@ void ScDrawView::SyncForGrid( SdrObject* pObj )
 // support enhanced text edit for draw objects
 SdrUndoManager* ScDrawView::getSdrUndoManagerForEnhancedTextEdit() const
 {
-    return pDoc ? dynamic_cast< SdrUndoManager* >(pDoc->GetUndoManager()) : 0;
+    return pDoc ? dynamic_cast< SdrUndoManager* >(pDoc->GetUndoManager()) : nullptr;
 }
 
 // #i123922# helper to apply a Graphic to an existing SdrObject
@@ -980,7 +980,7 @@ SdrObject* ScDrawView::ApplyGraphicToObject(
         return &rHitObject;
     }
 
-    return NULL;
+    return nullptr;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/view/editsh.cxx b/sc/source/ui/view/editsh.cxx
index 79a1f1092175..2a795a1b7ea2 100644
--- a/sc/source/ui/view/editsh.cxx
+++ b/sc/source/ui/view/editsh.cxx
@@ -94,7 +94,7 @@ void ScEditShell::InitInterface_Impl()
 ScEditShell::ScEditShell(EditView* pView, ScViewData* pData) :
     pEditView       (pView),
     pViewData       (pData),
-    pClipEvtLstnr   (NULL),
+    pClipEvtLstnr   (nullptr),
     bPastePossible  (false),
     bIsInsertMode   (true)
 {
@@ -386,14 +386,14 @@ void ScEditShell::Execute( SfxRequest& rReq )
                 SvxFontItem aNewItem( EE_CHAR_FONTINFO );
 
                 const SfxItemSet *pArgs = rReq.GetArgs();
-                const SfxPoolItem* pItem = 0;
+                const SfxPoolItem* pItem = nullptr;
                 if( pArgs )
                     pArgs->GetItemState(GetPool().GetWhich(SID_CHARMAP), false, &pItem);
 
                 if ( pItem )
                 {
                     aString = static_cast<const SfxStringItem*>(pItem)->GetValue();
-                    const SfxPoolItem* pFtItem = NULL;
+                    const SfxPoolItem* pFtItem = nullptr;
                     pArgs->GetItemState( GetPool().GetWhich(SID_ATTR_SPECIALCHAR), false, &pFtItem);
                     const SfxStringItem* pFontItem = dynamic_cast<const SfxStringItem*>( pFtItem  );
                     if ( pFontItem )
@@ -796,7 +796,7 @@ const SvxURLField* ScEditShell::GetURLField()
         }
     }
 
-    return NULL;
+    return nullptr;
 }
 
 IMPL_LINK_TYPED( ScEditShell, ClipboardChanged, TransferableDataHelper*, pDataHelper, void )
@@ -1265,7 +1265,7 @@ void ScEditShell::GetUndoState(SfxItemSet &rSet)
         sal_uInt16 nWhich = aIter.FirstWhich();
         while( nWhich )
         {
-            pViewFrm->GetSlotState( nWhich, NULL, &rSet );
+            pViewFrm->GetSlotState( nWhich, nullptr, &rSet );
             nWhich = aIter.NextWhich();
         }
     }
diff --git a/sc/source/ui/view/formatsh.cxx b/sc/source/ui/view/formatsh.cxx
index f10a078d1789..0ca101c976f0 100644
--- a/sc/source/ui/view/formatsh.cxx
+++ b/sc/source/ui/view/formatsh.cxx
@@ -196,7 +196,7 @@ void ScFormatShell::GetStyleState( SfxItemSet& rSet )
                 SCTAB           nCurTab     = GetViewData()->GetTabNo();
                 OUString        aPageStyle  = pDoc->GetPageStyle( nCurTab );
                 SfxStyleSheet*  pStyleSheet = pStylePool ? static_cast<SfxStyleSheet*>(pStylePool->
-                                    Find( aPageStyle, SFX_STYLE_FAMILY_PAGE )) : NULL;
+                                    Find( aPageStyle, SFX_STYLE_FAMILY_PAGE )) : nullptr;
 
                 if ( pStyleSheet )
                     rSet.Put( SfxTemplateItem( nSlotId, aPageStyle ) );
@@ -213,7 +213,7 @@ void ScFormatShell::GetStyleState( SfxItemSet& rSet )
 
             case SID_STYLE_UPDATE_BY_EXAMPLE:
             {
-                SfxPoolItem* pItem = NULL;
+                SfxPoolItem* pItem = nullptr;
                 pTabViewShell->GetViewFrame()->GetBindings().QueryState(SID_STYLE_FAMILY, pItem);
                 SfxUInt16Item* pFamilyItem = dynamic_cast<SfxUInt16Item*>(pItem);
 
@@ -230,7 +230,7 @@ void ScFormatShell::GetStyleState( SfxItemSet& rSet )
             case SID_STYLE_HIDE:
             case SID_STYLE_SHOW:
             {
-                SfxPoolItem* pItem = NULL;
+                SfxPoolItem* pItem = nullptr;
                 pTabViewShell->GetViewFrame()->GetBindings().QueryState(SID_STYLE_FAMILY, pItem);
                 SfxUInt16Item* pFamilyItem = dynamic_cast<SfxUInt16Item*>(pItem);
                 bool bPage = pFamilyItem && SFX_STYLE_FAMILY_PAGE == SfxTemplate::NIdToSfxFamilyId(pFamilyItem->GetValue());
@@ -325,7 +325,7 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
                 ScPatternAttr aAttr( *rDoc.GetSelectionPattern( aPreviewMark ) );
                 if ( ScStyleSheet* pPreviewStyle = rDoc.GetPreviewCellStyle() )
                     aAttr.SetStyleSheet( pPreviewStyle );
-                rDoc.SetPreviewCellStyle(NULL);
+                rDoc.SetPreviewCellStyle(nullptr);
 
                 SfxItemSet aItemSet( GetPool() );
 
@@ -348,7 +348,7 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
         || (nSlotId == SID_STYLE_NEW_BY_EXAMPLE)
         || (nSlotId == SID_STYLE_UPDATE_BY_EXAMPLE) )
     {
-        SfxStyleSheetBase*      pStyleSheet = NULL;
+        SfxStyleSheetBase*      pStyleSheet = nullptr;
 
         bool bStyleToMarked = false;
         bool bListAction = false;
@@ -382,10 +382,10 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
                     if (pArgs && SfxItemState::SET == pArgs->GetItemState( nSlotId, true, &pNameItem ))
                         aStyleName  = static_cast<const SfxStringItem*>(pNameItem)->GetValue();
 
-                    const SfxPoolItem* pRefItem=NULL;
+                    const SfxPoolItem* pRefItem=nullptr;
                     if (pArgs && SfxItemState::SET == pArgs->GetItemState( SID_STYLE_REFERENCE, true, &pRefItem ))
                     {
-                        if(pRefItem!=NULL)
+                        if(pRefItem!=nullptr)
                             aRefName  = static_cast<const SfxStringItem*>(pRefItem)->GetValue();
                     }
 
@@ -549,7 +549,7 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
                         // create/replace style sheet by attributes
                         // at cursor position:
 
-                        const ScPatternAttr* pAttrItem = NULL;
+                        const ScPatternAttr* pAttrItem = nullptr;
 
                         // The query if marked, was always wrong here,
                         // so now no more, and just from the cursor.
@@ -585,7 +585,7 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
                             // when a new style is present and is used in the selection,
                             // then the parent can not be adopted:
                             if ( pStyleSheet && pSheetInUse && pStyleSheet == pSheetInUse )
-                                pSheetInUse = NULL;
+                                pSheetInUse = nullptr;
 
                             // if already present, first remove ...
                             if ( pStyleSheet )
@@ -663,7 +663,7 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
                 {
                     case SID_STYLE_DELETE:
                     {
-                        nRetMask = sal_uInt16( NULL != pStyleSheet );
+                        nRetMask = sal_uInt16( nullptr != pStyleSheet );
                         if ( pStyleSheet )
                         {
                             if ( rDoc.RemovePageStyleInUse( pStyleSheet->GetName() ) )
@@ -684,7 +684,7 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
                     case SID_STYLE_HIDE:
                     case SID_STYLE_SHOW:
                     {
-                        nRetMask = sal_uInt16( NULL != pStyleSheet );
+                        nRetMask = sal_uInt16( nullptr != pStyleSheet );
                         if ( pStyleSheet )
                         {
                             pStyleSheet->SetHidden( nSlotId == SID_STYLE_HIDE );
@@ -697,10 +697,10 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
 
                     case SID_STYLE_APPLY:
                     {
-                        nRetMask = sal_uInt16( NULL != pStyleSheet );
+                        nRetMask = sal_uInt16( nullptr != pStyleSheet );
                         if ( pStyleSheet && !pScMod->GetIsWaterCan() )
                         {
-                            ScUndoApplyPageStyle* pUndoAction = 0;
+                            ScUndoApplyPageStyle* pUndoAction = nullptr;
                             SCTAB nTabCount = rDoc.GetTableCount();
                             ScMarkData::iterator itr = rMark.begin(), itrEnd = rMark.end();
                             for (; itr != itrEnd && *itr < nTabCount; ++itr)
@@ -853,7 +853,7 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
                     //  -> Use NULL if a modal dialog is open, to enable the Dialog's
                     //  default parent handling.
                     if ( Application::IsInModalMode() )
-                        pParent = NULL;
+                        pParent = nullptr;
                     else
                         pParent = pTabViewShell->GetDialogParent();
                 }
@@ -884,7 +884,7 @@ void ScFormatShell::ExecuteStyle( SfxRequest& rReq )
                             bool bNumFormatChanged;
                             if ( ScGlobal::CheckWidthInvalidate(
                                                 bNumFormatChanged, rNewSet, aOldSet ) )
-                                rDoc.InvalidateTextWidth( NULL, NULL, bNumFormatChanged );
+                                rDoc.InvalidateTextWidth( nullptr, nullptr, bNumFormatChanged );
 
                             SCTAB nTabCount = rDoc.GetTableCount();
                             for (SCTAB nTab=0; nTab<nTabCount; nTab++)
@@ -1270,7 +1270,7 @@ void ScFormatShell::ExecuteAlignment( SfxRequest& rReq )
         default:
             if( pSet )
             {
-                const SfxPoolItem* pItem = NULL;
+                const SfxPoolItem* pItem = nullptr;
                 if( pSet->GetItemState(GetPool().GetWhich(nSlot), true, &pItem  ) == SfxItemState::SET )
                 {
 
@@ -1341,7 +1341,7 @@ void ScFormatShell::ExecuteTextAttr( SfxRequest& rReq )
     const ScPatternAttr*    pAttrs      = pTabViewShell->GetSelectionPattern();
     const SfxItemSet*       pSet        = rReq.GetArgs();
     sal_uInt16                  nSlot       = rReq.GetSlot();
-    SfxAllItemSet*          pNewSet = 0;
+    SfxAllItemSet*          pNewSet = nullptr;
 
     pTabViewShell->HideListBox();                   // Autofilter-DropDown-Listbox
 
@@ -1489,9 +1489,9 @@ void ScFormatShell::ExecuteTextAttr( SfxRequest& rReq )
          */
 
         const SfxItemSet&        rAttrSet   = pTabViewShell->GetSelectionPattern()->GetItemSet();
-        const SfxPoolItem*       pItem       = NULL;
-        const SvxHorJustifyItem* pHorJustify = NULL;
-        const SvxVerJustifyItem* pVerJustify = NULL;
+        const SfxPoolItem*       pItem       = nullptr;
+        const SvxHorJustifyItem* pHorJustify = nullptr;
+        const SvxVerJustifyItem* pVerJustify = nullptr;
         SvxCellHorJustify        eHorJustify = SVX_HOR_JUSTIFY_STANDARD;
         SvxCellVerJustify        eVerJustify = SVX_VER_JUSTIFY_STANDARD;
 
@@ -1629,7 +1629,7 @@ void ScFormatShell::ExecuteAttr( SfxRequest& rReq )
 
             case SID_ATTR_CHAR_ENDPREVIEW_FONT:
             {
-                pDoc->SetPreviewFont(NULL);
+                pDoc->SetPreviewFont(nullptr);
                 pTabViewShell->UpdateSelectionArea( pDoc->GetPreviewSelection() );
                 break;
             }
@@ -1759,7 +1759,7 @@ void ScFormatShell::ExecuteAttr( SfxRequest& rReq )
                         ::editeng::SvxBorderLine aDefLine( &aColorBlack, 20,
                                 table::BorderLineStyle::SOLID );
                         pTabViewShell->SetDefaultFrameLine( &aDefLine );
-                        pTabViewShell->SetSelectionFrameLines( NULL, false );
+                        pTabViewShell->SetSelectionFrameLines( nullptr, false );
                     }
                 }
                 break;
@@ -1807,7 +1807,7 @@ void ScFormatShell::ExecuteAttr( SfxRequest& rReq )
                                                     Get( ATTR_BORDER );
 
                     // Evaluate border items from controller:
-                    const SfxPoolItem* pItem = 0;
+                    const SfxPoolItem* pItem = nullptr;
 
                     if ( pNewAttrs->GetItemState( ATTR_BORDER, true, &pItem )
                          == SfxItemState::SET )
@@ -1844,8 +1844,8 @@ void ScFormatShell::ExecuteAttr( SfxRequest& rReq )
                     else
                     {
                         SvxBoxInfoItem aBoxInfoItem( ATTR_BORDER_INNER );
-                        aBoxInfoItem.SetLine( NULL, SvxBoxInfoItemLine::HORI );
-                        aBoxInfoItem.SetLine( NULL, SvxBoxInfoItemLine::VERT );
+                        aBoxInfoItem.SetLine( nullptr, SvxBoxInfoItemLine::HORI );
+                        aBoxInfoItem.SetLine( nullptr, SvxBoxInfoItemLine::VERT );
                         pNewSet->Put( aBoxInfoItem );
                     }
 
@@ -1860,7 +1860,7 @@ void ScFormatShell::ExecuteAttr( SfxRequest& rReq )
                     const ScPatternAttr* pOldAttrs = pTabViewShell->GetSelectionPattern();
                     std::unique_ptr<SfxItemSet> pOldSet(new SfxItemSet(pOldAttrs->GetItemSet()));
                     std::unique_ptr<SfxItemSet> pNewSet(new SfxItemSet(pOldAttrs->GetItemSet()));
-                    const SfxPoolItem* pItem = 0;
+                    const SfxPoolItem* pItem = nullptr;
 
                     if(SID_ATTR_BORDER_DIAG_TLBR == nSlot)
                     {
@@ -1977,7 +1977,7 @@ void ScFormatShell::GetAttrState( SfxItemSet& rSet )
             {
                 // handled together because both need the cell border information for decisions
                 Color aCol = 0;
-                editeng::SvxBorderLine aLine(0,0,0,false);
+                editeng::SvxBorderLine aLine(nullptr,0,0,false);
                 bool bCol = false;
                 bool bColDisable = false, bStyleDisable = false;
                 SvxBoxItem aBoxItem(ATTR_BORDER);
@@ -2201,8 +2201,8 @@ void ScFormatShell::GetTextAttrState( SfxItemSet& rSet )
 
     // horizontal alignment
 
-    const SvxHorJustifyItem* pHorJustify = NULL;
-    const SvxVerJustifyItem* pVerJustify = NULL;
+    const SvxHorJustifyItem* pHorJustify = nullptr;
+    const SvxVerJustifyItem* pVerJustify = nullptr;
     SvxCellVerJustify        eVerJustify = SVX_VER_JUSTIFY_STANDARD;
     sal_uInt16                   nWhich      = 0;
     bool                     bJustifyStd = false;
diff --git a/sc/source/ui/view/gridwin.cxx b/sc/source/ui/view/gridwin.cxx
index 9d6639b3be99..94b0be9c5cdd 100644
--- a/sc/source/ui/view/gridwin.cxx
+++ b/sc/source/ui/view/gridwin.cxx
@@ -370,7 +370,7 @@ void ScFilterFloatingWindow::dispose()
 vcl::Window* ScFilterFloatingWindow::GetPreferredKeyInputWindow()
 {
     // redirect keyinput in the child window
-    return GetWindow(GetWindowType::FirstChild) ? GetWindow(GetWindowType::FirstChild)->GetPreferredKeyInputWindow() : NULL;    // will be the FilterBox
+    return GetWindow(GetWindowType::FirstChild) ? GetWindow(GetWindowType::FirstChild)->GetPreferredKeyInputWindow() : nullptr;    // will be the FilterBox
 }
 
 static bool lcl_IsEditableMatrix( ScDocument* pDoc, const ScRange& rRange )
@@ -395,7 +395,7 @@ static void lcl_UnLockComment( ScDrawView* pView, const Point& rPos, ScViewData*
     ScDocument& rDoc = *pViewData->GetDocument();
     ScAddress aCellPos( pViewData->GetCurX(), pViewData->GetCurY(), pViewData->GetTabNo() );
     ScPostIt* pNote = rDoc.GetNote( aCellPos );
-    SdrObject* pObj = pNote ? pNote->GetCaption() : 0;
+    SdrObject* pObj = pNote ? pNote->GetCaption() : nullptr;
     if( pObj && pObj->GetLogicRect().IsInside( rPos ) && ScDrawLayer::IsNoteCaption( pObj ) )
     {
         const ScProtectionAttr* pProtAttr =  static_cast< const ScProtectionAttr* > (rDoc.GetAttr( aCellPos.Col(), aCellPos.Row(), aCellPos.Tab(), ATTR_PROTECTION ) );
@@ -454,7 +454,7 @@ ScGridWindow::ScGridWindow( vcl::Window* pParent, ScViewData* pData, ScSplitPos
             mpOODragRect(),
             mpOOHeader(),
             mpOOShrink(),
-            mpAutoFillRect(static_cast<Rectangle*>(NULL)),
+            mpAutoFillRect(static_cast<Rectangle*>(nullptr)),
             pViewData( pData ),
             eWhich( eWhichPos ),
             mpNoteMarker(),
@@ -468,7 +468,7 @@ ScGridWindow::ScGridWindow( vcl::Window* pParent, ScViewData* pData, ScSplitPos
             nMouseStatus( SC_GM_NONE ),
             nNestedButtonState( SC_NESTEDBUTTON_NONE ),
             nDPField( 0 ),
-            pDragDPObj( NULL ),
+            pDragDPObj( nullptr ),
             nRFIndex( 0 ),
             nRFAddX( 0 ),
             nRFAddY( 0 ),
@@ -619,7 +619,7 @@ void ScGridWindow::ExecPageFieldSelect( SCCOL nCol, SCROW nRow, bool bHasSelecti
                     pDim->SetCurrentPage( &aName );
                 }
                 else
-                    pDim->SetCurrentPage( NULL );
+                    pDim->SetCurrentPage( nullptr );
 
                 ScDPObject aNewObj( *pDPObj );
                 aNewObj.SetSaveData( aSaveData );
@@ -910,7 +910,7 @@ void ScGridWindow::UpdateAutoFilterFromMenu(AutoFilterMode eMode)
         }
     }
 
-    pViewData->GetView()->Query(aParam, NULL, true);
+    pViewData->GetView()->Query(aParam, nullptr, true);
     pDBData->SetQueryParam(aParam);
 }
 
@@ -1514,7 +1514,7 @@ void ScGridWindow::ExecFilter( sal_uLong nSel,
                     pViewData->GetViewShell()->UpdateInputHandler();
                 }
 
-                pViewData->GetView()->Query( aParam, NULL, true );
+                pViewData->GetView()->Query( aParam, nullptr, true );
                 pDBData->SetQueryParam( aParam );                           // save
             }
             else                    //  "Too many conditions"
@@ -2472,7 +2472,7 @@ void ScGridWindow::MouseButtonUp( const MouseEvent& rMEvt )
                     aBuf.append('#');
                     aBuf.append(aExtInfo.maTabName);
                     aBuf.append('.');
-                    OUString aRefCalcA1(aTempAddr.Format(SCA_ABS, NULL, formula::FormulaGrammar::CONV_OOO));
+                    OUString aRefCalcA1(aTempAddr.Format(SCA_ABS, nullptr, formula::FormulaGrammar::CONV_OOO));
                     aBuf.append(aRefCalcA1);
                     ScGlobal::OpenURL(aBuf.makeStringAndClear(), aTarget);
                 }
@@ -2944,7 +2944,7 @@ static void lcl_SetTextCursorPos( ScViewData* pViewData, ScSplitPos eWhich, vcl:
 {
     SCCOL nCol = pViewData->GetCurX();
     SCROW nRow = pViewData->GetCurY();
-    Rectangle aEditArea = pViewData->GetEditArea( eWhich, nCol, nRow, pWin, NULL, true );
+    Rectangle aEditArea = pViewData->GetEditArea( eWhich, nCol, nRow, pWin, nullptr, true );
     aEditArea.Right() = aEditArea.Left();
     aEditArea = pWin->PixelToLogic( aEditArea );
     pWin->SetCursorRect( &aEditArea );
@@ -3583,7 +3583,7 @@ static bool lcl_TestScenarioRedliningDrop( ScDocument* pDoc, const ScRange& aDra
     SCTAB nTab = aDragRange.aStart.Tab();
     SCTAB nTabCount = pDoc->GetTableCount();
 
-    if(pDoc->GetChangeTrack()!=NULL)
+    if(pDoc->GetChangeTrack()!=nullptr)
     {
         if( pDoc->IsScenario(nTab) && pDoc->HasScenarioRange(nTab, aDragRange))
         {
@@ -3721,8 +3721,8 @@ sal_Int8 ScGridWindow::AcceptPrivateDrop( const AcceptDropEvent& rEvt )
         Window::PointerState aState = GetPointerState();
 
         // check for datapilot item sorting
-        ScDPObject* pDPObj = NULL;
-        if ( pThisDoc == pSourceDoc && ( pDPObj = pThisDoc->GetDPAtCursor( nNewDragX, nNewDragY, nTab ) ) != NULL )
+        ScDPObject* pDPObj = nullptr;
+        if ( pThisDoc == pSourceDoc && ( pDPObj = pThisDoc->GetDPAtCursor( nNewDragX, nNewDragY, nTab ) ) != nullptr )
         {
             // drop on DataPilot table: sort or nothing
 
@@ -3847,7 +3847,7 @@ sal_Int8 ScGridWindow::AcceptDrop( const AcceptDropEvent& rEvt )
     const ScDragData& rData = SC_MOD()->GetDragData();
     if ( rEvt.mbLeaving )
     {
-        DrawMarkDropObj( NULL );
+        DrawMarkDropObj( nullptr );
         if ( rData.pCellTransfer )
             return AcceptPrivateDrop( rEvt );   // hide drop marker for internal D&D
         else
@@ -3920,7 +3920,7 @@ sal_Int8 ScGridWindow::AcceptDrop( const AcceptDropEvent& rEvt )
                 }
             }
             if (!nRet)
-                DrawMarkDropObj( NULL );
+                DrawMarkDropObj( nullptr );
 
             if (!nRet)
             {
@@ -4249,7 +4249,7 @@ sal_Int8 ScGridWindow::DropTransferObj( ScTransferObj* pTransObj, SCCOL nDestPos
                 if ( meDragInsertMode != INS_NONE )
                 {
                     // call with bApi = sal_True to avoid error messages in drop handler
-                    bDone = pDocSh->GetDocFunc().InsertCells( aDest, NULL, meDragInsertMode, true /*bRecord*/, true /*bApi*/, true /*bPartOfPaste*/ );
+                    bDone = pDocSh->GetDocFunc().InsertCells( aDest, nullptr, meDragInsertMode, true /*bRecord*/, true /*bApi*/, true /*bPartOfPaste*/ );
                     if ( bDone )
                     {
                         if ( nThisTab == nSourceTab )
@@ -4302,7 +4302,7 @@ sal_Int8 ScGridWindow::DropTransferObj( ScTransferObj* pTransObj, SCCOL nDestPos
                          ( eCmd == DEL_CELLSLEFT && nDestPosY == aSource.aStart.Row() ) )
                     {
                         // call with bApi = sal_True to avoid error messages in drop handler
-                        bDone = pDocSh->GetDocFunc().DeleteCells( aSource, NULL, eCmd, true /*bRecord*/, true /*bApi*/ );
+                        bDone = pDocSh->GetDocFunc().DeleteCells( aSource, nullptr, eCmd, true /*bRecord*/, true /*bApi*/ );
                         if ( bDone )
                         {
                             if ( eCmd == DEL_CELLSUP && nDestPosY > aSource.aEnd.Row() )
@@ -4388,7 +4388,7 @@ sal_Int8 ScGridWindow::DropTransferObj( ScTransferObj* pTransObj, SCCOL nDestPos
                 if ( meDragInsertMode != INS_NONE )
                 {
                     // call with bApi = sal_True to avoid error messages in drop handler
-                    bDone = pDocSh->GetDocFunc().InsertCells( aDest, NULL, meDragInsertMode, true /*bRecord*/, true /*bApi*/, true /*bPartOfPaste*/ );
+                    bDone = pDocSh->GetDocFunc().InsertCells( aDest, nullptr, meDragInsertMode, true /*bRecord*/, true /*bApi*/, true /*bPartOfPaste*/ );
                     if ( bDone )
                     {
                         pDocSh->UpdateOle( pViewData );
@@ -4448,7 +4448,7 @@ sal_Int8 ScGridWindow::DropTransferObj( ScTransferObj* pTransObj, SCCOL nDestPos
             if ( meDragInsertMode != INS_NONE )
             {
                 // call with bApi = sal_True to avoid error messages in drop handler
-                bDone = pDocSh->GetDocFunc().InsertCells( aDest, NULL, meDragInsertMode, true /*bRecord*/, true /*bApi*/, true /*bPartOfPaste*/ );
+                bDone = pDocSh->GetDocFunc().InsertCells( aDest, nullptr, meDragInsertMode, true /*bRecord*/, true /*bApi*/, true /*bPartOfPaste*/ );
                 if ( bDone )
                 {
                     pDocSh->UpdateOle( pViewData );
@@ -4481,7 +4481,7 @@ sal_Int8 ScGridWindow::DropTransferObj( ScTransferObj* pTransObj, SCCOL nDestPos
 
 sal_Int8 ScGridWindow::ExecuteDrop( const ExecuteDropEvent& rEvt )
 {
-    DrawMarkDropObj( NULL );    // drawing layer
+    DrawMarkDropObj( nullptr );    // drawing layer
 
     ScModule* pScMod = SC_MOD();
     const ScDragData& rData = pScMod->GetDragData();
@@ -4699,7 +4699,7 @@ void ScGridWindow::UpdateEditViewPos()
         else
         {
             // bForceToTop = sal_True for editing
-            Rectangle aPixRect = pViewData->GetEditArea( eWhich, nCol, nRow, this, NULL, true );
+            Rectangle aPixRect = pViewData->GetEditArea( eWhich, nCol, nRow, this, nullptr, true );
             Point aScrPos = PixelToLogic( aPixRect.TopLeft(), pViewData->GetLogicMode() );
 
             Rectangle aRect = pView->GetOutputArea();
@@ -5333,10 +5333,10 @@ bool ScGridWindow::GetEditUrl( const Point& rPos,
                                OUString* pName, OUString* pUrl, OUString* pTarget )
 {
     ScTabViewShell* pViewSh = pViewData->GetViewShell();
-    ScInputHandler* pInputHdl = NULL;
+    ScInputHandler* pInputHdl = nullptr;
     if (pViewSh)
         pInputHdl = pViewSh->GetInputHandler();
-    EditView* pView = (pInputHdl && pInputHdl->IsInputMode()) ? pInputHdl->GetTableView() : NULL;
+    EditView* pView = (pInputHdl && pInputHdl->IsInputMode()) ? pInputHdl->GetTableView() : nullptr;
     if (pView)
         return extractURLInfo(pView->GetFieldUnderMousePointer(), pName, pUrl, pTarget);
 
@@ -5608,7 +5608,7 @@ bool ScGridWindow::ContinueOnlineSpelling()
         return false;
 
     ScDocument* pDoc = pViewData->GetDocument();
-    ScDPCollection* pDPs = NULL;
+    ScDPCollection* pDPs = nullptr;
     if (pDoc->HasPivotTable())
         pDPs = pDoc->GetDPCollection();
 
@@ -5764,10 +5764,10 @@ void ScGridWindow::SetAutoSpellData( SCCOL nPosX, SCROW nPosY, const std::vector
 const std::vector<editeng::MisspellRanges>* ScGridWindow::GetAutoSpellData( SCCOL nPosX, SCROW nPosY )
 {
     if (!mpSpellCheckCxt)
-        return NULL;
+        return nullptr;
 
     if (!maVisibleRange.isInside(nPosX, nPosY))
-        return NULL;
+        return nullptr;
 
     return mpSpellCheckCxt->getMisspellRanges(nPosX, nPosY);
 }
@@ -5943,7 +5943,7 @@ void ScGridWindow::UpdateCopySourceOverlay()
  *
  * @param pLogicRects - if not 0, then don't invoke the callback, just collect the rectangles in the pointed vector.
  */
-static void updateLibreOfficeKitSelection(ScViewData* pViewData, ScDrawLayer* pDrawLayer, const std::vector<Rectangle>& rRectangles, std::vector<Rectangle>* pLogicRects = 0)
+static void updateLibreOfficeKitSelection(ScViewData* pViewData, ScDrawLayer* pDrawLayer, const std::vector<Rectangle>& rRectangles, std::vector<Rectangle>* pLogicRects = nullptr)
 {
     if (!pDrawLayer->isTiledRendering())
         return;
diff --git a/sc/source/ui/view/gridwin2.cxx b/sc/source/ui/view/gridwin2.cxx
index cfa402f302bb..f0b07687998d 100644
--- a/sc/source/ui/view/gridwin2.cxx
+++ b/sc/source/ui/view/gridwin2.cxx
@@ -1063,7 +1063,7 @@ void ScGridWindow::PagebreakMove( const MouseEvent& rMEvt, bool bUp )
             else if (!bHide)
                 aNewRanges = aPagebreakDrag.Format(SCA_VALID);
 
-            pViewFunc->SetPrintRanges( rDoc.IsPrintEntireSheet( nTab ), &aNewRanges, NULL, NULL, false );
+            pViewFunc->SetPrintRanges( rDoc.IsPrintEntireSheet( nTab ), &aNewRanges, nullptr, nullptr, false );
         }
     }
 
diff --git a/sc/source/ui/view/gridwin3.cxx b/sc/source/ui/view/gridwin3.cxx
index 2937507e1e68..97d149c24f34 100644
--- a/sc/source/ui/view/gridwin3.cxx
+++ b/sc/source/ui/view/gridwin3.cxx
@@ -325,7 +325,7 @@ SdrObject* ScGridWindow::GetEditObject()
             return pDrView->GetTextEditObject();
     }
 
-    return NULL;
+    return nullptr;
 }
 
 void ScGridWindow::UpdateStatusPosSize()
diff --git a/sc/source/ui/view/gridwin4.cxx b/sc/source/ui/view/gridwin4.cxx
index 51ae5fdc8397..e15cb1e1b0c1 100644
--- a/sc/source/ui/view/gridwin4.cxx
+++ b/sc/source/ui/view/gridwin4.cxx
@@ -572,7 +572,7 @@ void ScGridWindow::DrawContent(OutputDevice &rDevice, const ScTableInfo& rTableI
         aOutputData.SetPagebreakMode( pViewData->GetView()->GetPageBreakData() );
     }
 
-    EditView*   pEditView = NULL;
+    EditView*   pEditView = nullptr;
     bool        bEditMode = pViewData->HasEditView(eWhich);
     if ( bEditMode && pViewData->GetRefTabNo() == nTab )
     {
@@ -630,7 +630,7 @@ void ScGridWindow::DrawContent(OutputDevice &rDevice, const ScTableInfo& rTableI
     }
 
     OutputDevice* pContentDev = &rDevice;   // device for document content, used by overlay manager
-    SdrPaintWindow* pTargetPaintWindow = 0; // #i74769# work with SdrPaintWindow directly
+    SdrPaintWindow* pTargetPaintWindow = nullptr; // #i74769# work with SdrPaintWindow directly
 
     {
         // init redraw
@@ -782,7 +782,7 @@ void ScGridWindow::DrawContent(OutputDevice &rDevice, const ScTableInfo& rTableI
     SCTAB nTabCount = rDoc.GetTableCount();
     const std::vector<ScHighlightEntry> &rHigh = pViewData->GetView()->GetHighlightRanges();
     bool bHasScenario = ( nTab+1<nTabCount && rDoc.IsScenario(nTab+1) && !rDoc.IsScenario(nTab) );
-    bool bHasChange = ( rDoc.GetChangeTrack() != NULL );
+    bool bHasChange = ( rDoc.GetChangeTrack() != nullptr );
 
     if ( bHasChange || bHasScenario || !rHigh.empty() )
     {
@@ -1320,7 +1320,7 @@ void ScGridWindow::DrawButtons(SCCOL nX1, SCCOL nX2, const ScTableInfo& rTabInfo
     SCSIZE nArrY;
     SCSIZE nQuery;
     SCTAB           nTab = pViewData->GetTabNo();
-    ScDBData*       pDBData = NULL;
+    ScDBData*       pDBData = nullptr;
     std::unique_ptr<ScQueryParam> pQueryParam;
 
     RowInfo*        pRowInfo = rTabInfo.mpRowInfo;
diff --git a/sc/source/ui/view/gridwin5.cxx b/sc/source/ui/view/gridwin5.cxx
index 2e044cb7e048..2d853957135f 100644
--- a/sc/source/ui/view/gridwin5.cxx
+++ b/sc/source/ui/view/gridwin5.cxx
@@ -71,9 +71,9 @@ bool ScGridWindow::ShowNoteMarker( SCsCOL nPosX, SCsROW nPosY, bool bKeyboard )
     ScChangeViewSettings* pSettings = pDoc->GetChangeViewSettings();
     if ( pTrack && pTrack->GetFirst() && pSettings && pSettings->ShowChanges())
     {
-        const ScChangeAction* pFound = NULL;
-        const ScChangeAction* pFoundContent = NULL;
-        const ScChangeAction* pFoundMove = NULL;
+        const ScChangeAction* pFound = nullptr;
+        const ScChangeAction* pFoundContent = nullptr;
+        const ScChangeAction* pFoundMove = nullptr;
         long nModified = 0;
         const ScChangeAction* pAction = pTrack->GetFirst();
         while (pAction)
@@ -190,9 +190,9 @@ bool ScGridWindow::ShowNoteMarker( SCsCOL nPosX, SCsROW nPosY, bool bKeyboard )
             bool bVSplit = pViewData->GetVSplitMode() != SC_SPLIT_NONE;
 
             vcl::Window* pLeft = pViewData->GetView()->GetWindowByPos( bVSplit ? SC_SPLIT_TOPLEFT : SC_SPLIT_BOTTOMLEFT );
-            vcl::Window* pRight = bHSplit ? pViewData->GetView()->GetWindowByPos( bVSplit ? SC_SPLIT_TOPRIGHT : SC_SPLIT_BOTTOMRIGHT ) : 0;
-            vcl::Window* pBottom = bVSplit ? pViewData->GetView()->GetWindowByPos( SC_SPLIT_BOTTOMLEFT ) : 0;
-            vcl::Window* pDiagonal = (bHSplit && bVSplit) ? pViewData->GetView()->GetWindowByPos( SC_SPLIT_BOTTOMRIGHT ) : 0;
+            vcl::Window* pRight = bHSplit ? pViewData->GetView()->GetWindowByPos( bVSplit ? SC_SPLIT_TOPRIGHT : SC_SPLIT_BOTTOMRIGHT ) : nullptr;
+            vcl::Window* pBottom = bVSplit ? pViewData->GetView()->GetWindowByPos( SC_SPLIT_BOTTOMLEFT ) : nullptr;
+            vcl::Window* pDiagonal = (bHSplit && bVSplit) ? pViewData->GetView()->GetWindowByPos( SC_SPLIT_BOTTOMRIGHT ) : nullptr;
             OSL_ENSURE( pLeft, "ScGridWindow::ShowNoteMarker - missing top-left grid window" );
 
             /*  If caption is shown from right or bottom windows, adjust
@@ -302,7 +302,7 @@ void ScGridWindow::RequestHelp(const HelpEvent& rHEvt)
             MouseEvent aMEvt( aPosPixel, 1, MouseEventModifiers::NONE, MOUSE_LEFT );
             SdrHitKind eHit = pDrView->PickAnything( aMEvt, SdrMouseEventKind::BUTTONDOWN, aVEvt );
 
-            if ( eHit != SDRHIT_NONE && aVEvt.pObj != NULL )
+            if ( eHit != SDRHIT_NONE && aVEvt.pObj != nullptr )
             {
                 // URL for IMapObject below Pointer is help text
                 if ( ScDrawLayer::GetIMapInfo( aVEvt.pObj ) )
@@ -340,14 +340,14 @@ void ScGridWindow::RequestHelp(const HelpEvent& rHEvt)
                     }
                     else
                     {
-                        SdrObject* pObj = 0;
-                        SdrPageView* pPV = 0;
+                        SdrObject* pObj = nullptr;
+                        SdrPageView* pPV = nullptr;
                         Point aMDPos = PixelToLogic( aPosPixel );
                         if ( pDrView->PickObj(aMDPos, pDrView->getHitTolLog(), pObj, pPV, SdrSearchOptions::ALSOONMASTER) )
                         {
                             if ( pObj->IsGroupObject() )
                             {
-                                    SdrObject* pHit = 0;
+                                    SdrObject* pHit = nullptr;
                                     if ( pDrView->PickObj(aMDPos, pDrView->getHitTolLog(), pHit, pPV, SdrSearchOptions::DEEP ) )
                                         pObj = pHit;
                             }
@@ -377,7 +377,7 @@ void ScGridWindow::RequestHelp(const HelpEvent& rHEvt)
         if ( aHelpText.isEmpty() )                                 // Text-URL
         {
             OUString aUrl;
-            if ( GetEditUrl( aPosPixel, NULL, &aUrl ) )
+            if ( GetEditUrl( aPosPixel, nullptr, &aUrl ) )
             {
                 aHelpText = INetURLObject::decode( aUrl,
                     INetURLObject::DECODE_UNAMBIGUOUS );
diff --git a/sc/source/ui/view/imapwrap.cxx b/sc/source/ui/view/imapwrap.cxx
index 423fb2314a60..9a1ffa400291 100644
--- a/sc/source/ui/view/imapwrap.cxx
+++ b/sc/source/ui/view/imapwrap.cxx
@@ -38,7 +38,7 @@ const void* ScIMapDlgGetObj( SvxIMapDlg* pDlg )
     if ( pDlg )
         return pDlg->GetEditingObject();
     else
-        return NULL;
+        return nullptr;
 }
 
 const ImageMap& ScIMapDlgGetMap( SvxIMapDlg* pDlg )
diff --git a/sc/source/ui/view/notemark.cxx b/sc/source/ui/view/notemark.cxx
index 24ae12da2063..2af819f9094f 100644
--- a/sc/source/ui/view/notemark.cxx
+++ b/sc/source/ui/view/notemark.cxx
@@ -47,8 +47,8 @@ ScNoteMarker::ScNoteMarker( vcl::Window* pWin, vcl::Window* pRight, vcl::Window*
     aMapMode( rMap ),
     bLeft( bLeftEdge ),
     bByKeyboard( bKeyboard ),
-    pModel( NULL ),
-    pObject( NULL ),
+    pModel( nullptr ),
+    pObject( nullptr ),
     bVisible( false )
 {
     Size aSizePixel = pWindow->GetOutputSizePixel();
@@ -77,7 +77,7 @@ IMPL_LINK_NOARG_TYPED(ScNoteMarker, TimeHdl, Timer *, void)
     {
         SvtPathOptions aPathOpt;
         OUString aPath = aPathOpt.GetPalettePath();
-        pModel = new SdrModel(aPath, NULL, NULL, false, false);
+        pModel = new SdrModel(aPath, nullptr, nullptr, false, false);
         pModel->SetScaleUnit(MAP_100TH_MM);
         SfxItemPool& rPool = pModel->GetItemPool();
         rPool.SetDefaultMetric(SFX_MAPUNIT_100TH_MM);
diff --git a/sc/source/ui/view/olinewin.cxx b/sc/source/ui/view/olinewin.cxx
index 90cc0a40a75d..e80cfd346c56 100644
--- a/sc/source/ui/view/olinewin.cxx
+++ b/sc/source/ui/view/olinewin.cxx
@@ -45,7 +45,7 @@ ScOutlineWindow::ScOutlineWindow( vcl::Window* pParent, ScOutlineMode eMode, ScV
     mbHoriz( eMode == SC_OUTLINE_HOR ),
     mbMirrorEntries( false ),           // updated in SetHeaderSize
     mbMirrorLevels( false ),            // updated in SetHeaderSize
-    mpSymbols( NULL ),
+    mpSymbols( nullptr ),
     maLineColor( COL_BLACK ),
     mnHeaderSize( 0 ),
     mnHeaderPos( 0 ),
@@ -162,14 +162,14 @@ void ScOutlineWindow::InitSettings()
 const ScOutlineArray* ScOutlineWindow::GetOutlineArray() const
 {
     const ScOutlineTable* pTable = GetDoc().GetOutlineTable( GetTab() );
-    if ( !pTable ) return NULL;
+    if ( !pTable ) return nullptr;
     return mbHoriz ? &pTable->GetColArray() : &pTable->GetRowArray();
 }
 
 const ScOutlineEntry* ScOutlineWindow::GetOutlineEntry( size_t nLevel, size_t nEntry ) const
 {
     const ScOutlineArray* pArray = GetOutlineArray();
-    return pArray ? pArray->GetEntry( sal::static_int_cast<sal_uInt16>(nLevel), sal::static_int_cast<sal_uInt16>(nEntry) ) : NULL;
+    return pArray ? pArray->GetEntry( sal::static_int_cast<sal_uInt16>(nLevel), sal::static_int_cast<sal_uInt16>(nEntry) ) : nullptr;
 }
 
 bool ScOutlineWindow::IsHidden( SCCOLROW nColRowIndex ) const
@@ -304,7 +304,7 @@ bool ScOutlineWindow::GetEntryPos(
 
     // do not cover previous collapsed image
     bool bDoNoCover = !bHidden && nEntry;
-    const ScOutlineEntry* pPrevEntry = bDoNoCover ? GetOutlineEntry(nLevel, nEntry - 1) : NULL;
+    const ScOutlineEntry* pPrevEntry = bDoNoCover ? GetOutlineEntry(nLevel, nEntry - 1) : nullptr;
     if (pPrevEntry)
     {
         SCCOLROW nPrevEnd = pPrevEntry->GetEnd();
diff --git a/sc/source/ui/view/output.cxx b/sc/source/ui/view/output.cxx
index 83c879875e21..12970ceb0dee 100644
--- a/sc/source/ui/view/output.cxx
+++ b/sc/source/ui/view/output.cxx
@@ -163,9 +163,9 @@ ScOutputData::ScOutputData( OutputDevice* pNewDev, ScOutputType eNewType,
     eType( eNewType ),
     mnPPTX( nPixelPerTwipsX ),
     mnPPTY( nPixelPerTwipsY ),
-    pEditObj( NULL ),
-    pViewShell( NULL ),
-    pDrawView( NULL ),
+    pEditObj( nullptr ),
+    pViewShell( nullptr ),
+    pDrawView( nullptr ),
     bEditMode( false ),
     nEditCol( 0 ),
     nEditRow( 0 ),
@@ -176,9 +176,9 @@ ScOutputData::ScOutputData( OutputDevice* pNewDev, ScOutputType eNewType,
     mbUseStyleColor( false ),
     mbForceAutoColor( SC_MOD()->GetAccessOptions().GetIsAutomaticFontColor() ),
     mbSyntaxMode( false ),
-    pValueColor( NULL ),
-    pTextColor( NULL ),
-    pFormulaColor( NULL ),
+    pValueColor( nullptr ),
+    pTextColor( nullptr ),
+    pFormulaColor( nullptr ),
     aGridColor( COL_BLACK ),
     mbShowNullValues( true ),
     mbShowFormulas( false ),
@@ -187,8 +187,8 @@ ScOutputData::ScOutputData( OutputDevice* pNewDev, ScOutputType eNewType,
     bSnapPixel( false ),
     bAnyRotated( false ),
     bAnyClipped( false ),
-    mpTargetPaintWindow(NULL), // #i74769# use SdrPaintWindow direct
-    mpSpellCheckCxt(NULL)
+    mpTargetPaintWindow(nullptr), // #i74769# use SdrPaintWindow direct
+    mpSpellCheckCxt(nullptr)
 {
     if (pZoomX)
         aZoomX = *pZoomX;
@@ -494,7 +494,7 @@ void ScOutputData::DrawGrid(vcl::RenderContext& rRenderContext, bool bGrid, bool
                 for (SCROW i = nYplus1; i <= MAXROW; ++i)
                 {
                     if (i > nHiddenEndRow)
-                        bHiddenRow = mpDoc->RowHidden(i, nTab, NULL, &nHiddenEndRow);
+                        bHiddenRow = mpDoc->RowHidden(i, nTab, nullptr, &nHiddenEndRow);
                     /* TODO: optimize the row break thing for large hidden
                      * segments where HasRowBreak() has to be called
                      * nevertheless for each row, as a row break is drawn also
@@ -944,23 +944,23 @@ void drawCells(vcl::RenderContext& rRenderContext, const Color* pColor, const Sv
         if (!pOldColor || *pOldColor != *pColor)
             pOldColor = pColor;
 
-        pOldBackground = NULL;
+        pOldBackground = nullptr;
     }
     else if(pBackground)
     {
         pOldBackground = pBackground;
-        pOldColor = NULL;
+        pOldColor = nullptr;
     }
 
     if(pDataBarInfo)
         pOldDataBarInfo = pDataBarInfo;
     else
-        pOldDataBarInfo = NULL;
+        pOldDataBarInfo = nullptr;
 
     if(pIconSetInfo)
         pOldIconSetInfo = pIconSetInfo;
     else
-        pOldIconSetInfo = NULL;
+        pOldIconSetInfo = nullptr;
 }
 
 }
@@ -1031,11 +1031,11 @@ void ScOutputData::DrawBackground(vcl::RenderContext& rRenderContext)
                 if (bWorksInPixels)
                     aRect = rRenderContext.PixelToLogic(aRect); // internal data in pixels, but we'll be drawing in logic units
 
-                const SvxBrushItem* pOldBackground = NULL;
+                const SvxBrushItem* pOldBackground = nullptr;
                 const SvxBrushItem* pBackground;
-                const Color* pOldColor = NULL;
-                const ScDataBarInfo* pOldDataBarInfo = NULL;
-                const ScIconSetInfo* pOldIconSetInfo = NULL;
+                const Color* pOldColor = nullptr;
+                const ScDataBarInfo* pOldDataBarInfo = nullptr;
+                const ScIconSetInfo* pOldIconSetInfo = nullptr;
                 SCCOL nMergedCells = 1;
                 SCCOL nOldMerged = 0;
 
@@ -1063,7 +1063,7 @@ void ScOutputData::DrawBackground(vcl::RenderContext& rRenderContext)
                                 pBackground = ScGlobal::GetEmptyBrushItem();
                         }
                         else
-                            pBackground = NULL;
+                            pBackground = nullptr;
                     }
                     else
                         pBackground = pInfo->pBackground;
@@ -1111,7 +1111,7 @@ void ScOutputData::DrawBackground(vcl::RenderContext& rRenderContext)
                 if (bWorksInPixels)
                     nPosXLogic = rRenderContext.PixelToLogic(Point(nPosX, 0)).X();
 
-                drawCells(rRenderContext, NULL, NULL, pOldColor, pOldBackground, aRect, nPosXLogic, nLayoutSign, nOneXLogic, nOneYLogic, NULL, pOldDataBarInfo, NULL, pOldIconSetInfo);
+                drawCells(rRenderContext, nullptr, nullptr, pOldColor, pOldBackground, aRect, nPosXLogic, nLayoutSign, nOneXLogic, nOneYLogic, nullptr, pOldDataBarInfo, nullptr, pOldIconSetInfo);
 
                 nArrY += nSkip;
             }
@@ -1358,7 +1358,7 @@ void ScOutputData::DrawFrame(vcl::RenderContext& rRenderContext)
         bUseSingleColor = true;
     }
 
-    const Color* pForceColor = bUseSingleColor ? &aSingleColor : 0;
+    const Color* pForceColor = bUseSingleColor ? &aSingleColor : nullptr;
 
     if (bAnyRotated)
         DrawRotatedFrame(rRenderContext, pForceColor);        // removes the lines that must not be painted here
@@ -1454,7 +1454,7 @@ static const ::editeng::SvxBorderLine* lcl_FindHorLine( ScDocument* pDoc,
                         bool bTopLine )
 {
     if ( nRotDir != SC_ROTDIR_LEFT && nRotDir != SC_ROTDIR_RIGHT )
-        return NULL;
+        return nullptr;
 
     bool bFound = false;
     while (!bFound)
@@ -1465,7 +1465,7 @@ static const ::editeng::SvxBorderLine* lcl_FindHorLine( ScDocument* pDoc,
             if ( nCol < MAXCOL )
                 ++nCol;
             else
-                return NULL; // couldn't find it
+                return nullptr; // couldn't find it
         }
         else
         {
@@ -1473,7 +1473,7 @@ static const ::editeng::SvxBorderLine* lcl_FindHorLine( ScDocument* pDoc,
             if ( nCol > 0 )
                 --nCol;
             else
-                return NULL; // couldn't find it
+                return nullptr; // couldn't find it
         }
         const ScPatternAttr* pPattern = pDoc->GetPattern( nCol, nRow, nTab );
         const SfxItemSet* pCondSet = pDoc->GetCondResult( nCol, nRow, nTab );
@@ -1489,12 +1489,12 @@ static const ::editeng::SvxBorderLine* lcl_FindHorLine( ScDocument* pDoc,
     if ( ValidRow(nRow) )
         pThisBottom = static_cast<const SvxBoxItem*>(pDoc->GetAttr( nCol, nRow, nTab, ATTR_BORDER ))->GetBottom();
     else
-        pThisBottom = NULL;
+        pThisBottom = nullptr;
     const ::editeng::SvxBorderLine* pNextTop;
     if ( nRow < MAXROW )
         pNextTop = static_cast<const SvxBoxItem*>(pDoc->GetAttr( nCol, nRow+1, nTab, ATTR_BORDER ))->GetTop();
     else
-        pNextTop = NULL;
+        pNextTop = nullptr;
 
     if ( ScHasPriority( pThisBottom, pNextTop ) )
         return pThisBottom;
@@ -1863,7 +1863,7 @@ drawinglayer::processor2d::BaseProcessor2D* ScOutputData::CreateProcessor2D( )
     mpDoc->InitDrawLayer(mpDoc->GetDocumentShell());
     ScDrawLayer* pDrawLayer = mpDoc->GetDrawLayer();
     if (!pDrawLayer)
-        return NULL;
+        return nullptr;
 
     basegfx::B2DRange aViewRange;
     SdrPage *pDrawPage = pDrawLayer->GetPage( static_cast< sal_uInt16 >( nTab ) );
diff --git a/sc/source/ui/view/output2.cxx b/sc/source/ui/view/output2.cxx
index d40483a16624..e6f57ddf58b6 100644
--- a/sc/source/ui/view/output2.cxx
+++ b/sc/source/ui/view/output2.cxx
@@ -184,15 +184,15 @@ private:
 
 ScDrawStringsVars::ScDrawStringsVars(ScOutputData* pData, bool bPTL) :
     pOutput     ( pData ),
-    pPattern    ( NULL ),
-    pCondSet    ( NULL ),
+    pPattern    ( nullptr ),
+    pCondSet    ( nullptr ),
     nAscentPixel(0),
     eAttrOrient ( SVX_ORIENTATION_STANDARD ),
     eAttrHorJust( SVX_HOR_JUSTIFY_STANDARD ),
     eAttrVerJust( SVX_VER_JUSTIFY_BOTTOM ),
     eAttrHorJustMethod( SVX_JUSTIFY_METHOD_AUTO ),
     eAttrVerJustMethod( SVX_JUSTIFY_METHOD_AUTO ),
-    pMargin     ( NULL ),
+    pMargin     ( nullptr ),
     nIndent     ( 0 ),
     bRotated    ( false ),
     nOriginalWidth( 0 ),
@@ -311,7 +311,7 @@ void ScDrawStringsVars::SetPattern(
         eColorMode = SC_AUTOCOL_PRINT;
 
     if ( bPixelToLogic )
-        pPattern->GetFont( aFont, eColorMode, pFmtDevice, NULL, pCondSet, nScript,
+        pPattern->GetFont( aFont, eColorMode, pFmtDevice, nullptr, pCondSet, nScript,
                             &aBackConfigColor, &aTextConfigColor );
     else
         pPattern->GetFont( aFont, eColorMode, pFmtDevice, &pOutput->aZoomY, pCondSet, nScript,
@@ -1110,7 +1110,7 @@ bool ScOutputData::IsEmptyCellText( RowInfo* pThisRowInfo, SCCOL nX, SCROW nY )
 void ScOutputData::GetVisibleCell( SCCOL nCol, SCROW nRow, SCTAB nTabP, ScRefCellValue& rCell )
 {
     rCell.assign(*mpDoc, ScAddress(nCol, nRow, nTabP));
-    if (!rCell.isEmpty() && IsEmptyCellText(NULL, nCol, nRow))
+    if (!rCell.isEmpty() && IsEmptyCellText(nullptr, nCol, nRow))
         rCell.clear();
 }
 
@@ -1121,7 +1121,7 @@ bool ScOutputData::IsAvailable( SCCOL nX, SCROW nY )
     //  where a note is empty as well as a cell that's hidden by protection settings
 
     ScRefCellValue aCell(*mpDoc, ScAddress(nX, nY, nTab));
-    if (!aCell.isEmpty() && !IsEmptyCellText(NULL, nX, nY))
+    if (!aCell.isEmpty() && !IsEmptyCellText(nullptr, nX, nY))
         return false;
 
     const ScPatternAttr* pPattern = mpDoc->GetPattern( nX, nY, nTab );
@@ -1463,10 +1463,10 @@ Rectangle ScOutputData::LayoutStrings(bool bPixelToLogic, bool bPaint, const ScA
     OutputAreaParam aAreaParam;
     bool bCellIsValue = false;
     long nNeededWidth = 0;
-    const ScPatternAttr* pPattern = NULL;
-    const SfxItemSet* pCondSet = NULL;
-    const ScPatternAttr* pOldPattern = NULL;
-    const SfxItemSet* pOldCondSet = NULL;
+    const ScPatternAttr* pPattern = nullptr;
+    const SfxItemSet* pCondSet = nullptr;
+    const ScPatternAttr* pOldPattern = nullptr;
+    const SfxItemSet* pOldCondSet = nullptr;
     SvtScriptType nOldScript = SvtScriptType::NONE;
 
     // alternative pattern instances in case we need to modify the pattern
@@ -1679,7 +1679,7 @@ Rectangle ScOutputData::LayoutStrings(bool bPixelToLogic, bool bPaint, const ScA
                     if ( bFormulaCell )
                         lcl_CreateInterpretProgress(bProgress, mpDoc, aCell.mpFormula);
                     if ( aVars.SetText(aCell) )
-                        pOldPattern = NULL;
+                        pOldPattern = nullptr;
                     bNeedEdit = aVars.HasEditCharacters() || (bFormulaCell && aCell.mpFormula->IsMultilineResult());
                 }
                 long nTotalMargin = 0;
@@ -1758,7 +1758,7 @@ Rectangle ScOutputData::LayoutStrings(bool bPixelToLogic, bool bPaint, const ScA
                                     aAreaParam.mnLeftClipLength = aAreaParam.mnRightClipLength = 0;
                                 }
 
-                                pOldPattern = NULL;
+                                pOldPattern = nullptr;
                             }
                         }
                     }
@@ -2335,15 +2335,15 @@ ScOutputData::DrawEditParam::DrawEditParam(const ScPatternAttr* pPattern, const
     mbAsianVertical(false),
     mbPixelToLogic(false),
     mbHyphenatorSet(false),
-    mpEngine(NULL),
+    mpEngine(nullptr),
     mpPattern(pPattern),
     mpCondSet(pCondSet),
-    mpPreviewFontSet(NULL),
-    mpOldPattern(NULL),
-    mpOldCondSet(NULL),
-    mpOldPreviewFontSet(NULL),
-    mpThisRowInfo(NULL),
-    mpMisspellRanges(NULL)
+    mpPreviewFontSet(nullptr),
+    mpOldPattern(nullptr),
+    mpOldCondSet(nullptr),
+    mpOldPreviewFontSet(nullptr),
+    mpThisRowInfo(nullptr),
+    mpMisspellRanges(nullptr)
 {}
 
 bool ScOutputData::DrawEditParam::readCellContent(
@@ -3035,7 +3035,7 @@ void ScOutputData::DrawEditStandard(DrawEditParam& rParam)
              rParam.mbBreak && bMarkClipped &&
              ( rParam.mpEngine->GetParagraphCount() > 1 || rParam.mpEngine->GetLineCount(0) > 1 ) )
         {
-            CellInfo* pClipMarkCell = NULL;
+            CellInfo* pClipMarkCell = nullptr;
             if ( bMerged )
             {
                 //  anywhere in the merged area...
@@ -3087,7 +3087,7 @@ void ScOutputData::DrawEditStandard(DrawEditParam& rParam)
         //  horizontal alignment
         if (rParam.adjustHorAlignment(rParam.mpEngine))
             // reset adjustment for the next cell
-            rParam.mpOldPattern = NULL;
+            rParam.mpOldPattern = nullptr;
     }
 
     if (rParam.meVerJust==SVX_VER_JUSTIFY_BOTTOM ||
@@ -3165,7 +3165,7 @@ void ScOutputData::ShowClipMarks( DrawEditParam& rParam, long nEngineHeight, con
             rParam.mbBreak && bMarkClipped &&
             ( rParam.mpEngine->GetParagraphCount() > 1 || rParam.mpEngine->GetLineCount(0) > 1 ) )
     {
-        CellInfo* pClipMarkCell = NULL;
+        CellInfo* pClipMarkCell = nullptr;
         if ( bMerged )
         {
             //  anywhere in the merged area...
@@ -4009,7 +4009,7 @@ void ScOutputData::DrawEditStacked(DrawEditParam& rParam)
              rParam.mbBreak && bMarkClipped &&
              ( rParam.mpEngine->GetParagraphCount() > 1 || rParam.mpEngine->GetLineCount(0) > 1 ) )
         {
-            CellInfo* pClipMarkCell = NULL;
+            CellInfo* pClipMarkCell = nullptr;
             if ( bMerged )
             {
                 //  anywhere in the merged area...
@@ -4356,7 +4356,7 @@ void ScOutputData::DrawEditAsianVertical(DrawEditParam& rParam)
              !rParam.mbAsianVertical && bMarkClipped &&
              ( rParam.mpEngine->GetParagraphCount() > 1 || rParam.mpEngine->GetLineCount(0) > 1 ) )
         {
-            CellInfo* pClipMarkCell = NULL;
+            CellInfo* pClipMarkCell = nullptr;
             if ( bMerged )
             {
                 //  anywhere in the merged area...
@@ -4450,9 +4450,9 @@ void ScOutputData::DrawEdit(bool bPixelToLogic)
 {
     std::unique_ptr<ScFieldEditEngine> pEngine;
     bool bHyphenatorSet = false;
-    const ScPatternAttr* pOldPattern = NULL;
-    const SfxItemSet*    pOldCondSet = NULL;
-    const SfxItemSet*    pOldPreviewFontSet = NULL;
+    const ScPatternAttr* pOldPattern = nullptr;
+    const SfxItemSet*    pOldCondSet = nullptr;
+    const SfxItemSet*    pOldPreviewFontSet = nullptr;
     ScRefCellValue aCell;
 
     long nInitPosX = nScrX;
@@ -4530,8 +4530,8 @@ void ScOutputData::DrawEdit(bool bPixelToLogic)
                     if ( bDoCell && bEditMode && nCellX == nEditCol && nCellY == nEditRow )
                         bDoCell = false;
 
-                    const ScPatternAttr* pPattern = NULL;
-                    const SfxItemSet* pCondSet = NULL;
+                    const ScPatternAttr* pPattern = nullptr;
+                    const SfxItemSet* pCondSet = nullptr;
                     if (bDoCell)
                     {
                         if ( nCellY == nY && nCellX >= nX1 && nCellX <= nX2 &&
@@ -4654,8 +4654,8 @@ void ScOutputData::DrawRotated(bool bPixelToLogic)
     bool bHyphenatorSet = false;
     const ScPatternAttr* pPattern;
     const SfxItemSet*    pCondSet;
-    const ScPatternAttr* pOldPattern = NULL;
-    const SfxItemSet*    pOldCondSet = NULL;
+    const ScPatternAttr* pOldPattern = nullptr;
+    const SfxItemSet*    pOldCondSet = nullptr;
     ScRefCellValue aCell;
 
     long nInitPosX = nScrX;
diff --git a/sc/source/ui/view/output3.cxx b/sc/source/ui/view/output3.cxx
index 496cc5adfa65..42eeeace7160 100644
--- a/sc/source/ui/view/output3.cxx
+++ b/sc/source/ui/view/output3.cxx
@@ -119,7 +119,7 @@ void ScOutputData::PostPrintDrawingLayer(const Point& rMMOffset) // #i74768#
         {
             // #i74769# work with SdrPaintWindow directly
             pLocalDrawView->EndDrawLayers(*mpTargetPaintWindow, true);
-            mpTargetPaintWindow = 0;
+            mpTargetPaintWindow = nullptr;
         }
     }
 
diff --git a/sc/source/ui/view/pfuncache.cxx b/sc/source/ui/view/pfuncache.cxx
index 556cd2f42935..4c4024d187f9 100644
--- a/sc/source/ui/view/pfuncache.cxx
+++ b/sc/source/ui/view/pfuncache.cxx
@@ -40,7 +40,7 @@ ScPrintFuncCache::ScPrintFuncCache( ScDocShell* pD, const ScMarkData& rMark,
     SfxPrinter* pPrinter = pDocSh->GetPrinter();
 
     ScRange aRange;
-    const ScRange* pSelRange = NULL;
+    const ScRange* pSelRange = nullptr;
     if ( rMark.IsMarked() )
     {
         rMark.GetMarkArea( aRange );
@@ -84,7 +84,7 @@ void ScPrintFuncCache::InitLocations( const ScMarkData& rMark, OutputDevice* pDe
         return;                 // initialize only once
 
     ScRange aRange;
-    const ScRange* pSelRange = NULL;
+    const ScRange* pSelRange = nullptr;
     if ( rMark.IsMarked() )
     {
         rMark.GetMarkArea( aRange );
diff --git a/sc/source/ui/view/preview.cxx b/sc/source/ui/view/preview.cxx
index d1f4a3f2baf8..a2cc775db2a7 100644
--- a/sc/source/ui/view/preview.cxx
+++ b/sc/source/ui/view/preview.cxx
@@ -98,8 +98,8 @@ ScPreview::ScPreview( vcl::Window* pParent, ScDocShell* pDocSh, ScPreviewShell*
     aDate( Date::SYSTEM ),
     aTime( tools::Time::SYSTEM ),
     nTotalPages( 0 ),
-    pLocationData( NULL ),
-    pDrawView( NULL ),
+    pLocationData( nullptr ),
+    pDrawView( nullptr ),
     pDocShell( pDocSh ),
     pViewShell( pViewSh ),
     bInGetState( false ),
@@ -165,7 +165,7 @@ void ScPreview::UpdateDrawView()        // nTab must be right
         {
             // convert the displayed Page of drawView (see below) does not work?!?
             delete pDrawView;
-            pDrawView = NULL;
+            pDrawView = nullptr;
         }
 
         if ( !pDrawView )                                   // New Drawing?
@@ -182,7 +182,7 @@ void ScPreview::UpdateDrawView()        // nTab must be right
     else if ( pDrawView )
     {
         delete pDrawView;           // for this Chart is not needed
-        pDrawView = NULL;
+        pDrawView = nullptr;
     }
 }
 
@@ -264,7 +264,7 @@ void ScPreview::CalcPages()
         long nAttrPage = i > 0 ? nFirstAttr[i-1] : 1;
 
         long nThisStart = nTotalPages;
-        ScPrintFunc aPrintFunc( this, pDocShell, i, nAttrPage, 0, NULL, &aOptions );
+        ScPrintFunc aPrintFunc( this, pDocShell, i, nAttrPage, 0, nullptr, &aOptions );
         long nThisTab = aPrintFunc.GetTotalPages();
         if (!aPrintFunc.HasPrintRange())
             mbHasEmptyRangeTable = true;
@@ -353,7 +353,7 @@ void ScPreview::DoPrint( ScPreviewLocationData* pFillLocation )
     Fraction aHorPrevZoom( (long)( 100 * nZoom / pDocShell->GetOutputFactor() ), 10000 );
     MapMode aMMMode( MAP_100TH_MM, Point(), aHorPrevZoom, aPreviewZoom );
 
-    bool bDoPrint = ( pFillLocation == NULL );
+    bool bDoPrint = ( pFillLocation == nullptr );
     bool bValidPage = ( nPageNo < nTotalPages );
 
     ScModule* pScMod = SC_MOD();
@@ -392,7 +392,7 @@ void ScPreview::DoPrint( ScPreviewLocationData* pFillLocation )
         if (bStateValid)
             pPrintFunc = new ScPrintFunc( this, pDocShell, aState, &aOptions );
         else
-            pPrintFunc = new ScPrintFunc( this, pDocShell, nTab, nFirstAttr[nTab], nTotalPages, NULL, &aOptions );
+            pPrintFunc = new ScPrintFunc( this, pDocShell, nTab, nFirstAttr[nTab], nTotalPages, nullptr, &aOptions );
 
         pPrintFunc->SetOffset(aOffset);
         pPrintFunc->SetManualZoom(nZoom);
@@ -630,7 +630,7 @@ void ScPreview::Paint( vcl::RenderContext& /*rRenderContext*/, const Rectangle&
 
     if (bPageMargin)
         GetLocationData();              // fill location data for column positions
-    DoPrint( NULL );
+    DoPrint( nullptr );
     pViewShell->UpdateScrollBars();
 
     bInPaint = bWasInPaint;
@@ -897,7 +897,7 @@ void ScPreview::DoInvalidate()
     //  The Invalidate must come behind asynchronously
 
    if (bInGetState)
-        Application::PostUserEvent( LINK( this, ScPreview, InvalidateHdl ), NULL, true );
+        Application::PostUserEvent( LINK( this, ScPreview, InvalidateHdl ), nullptr, true );
     else
         StaticInvalidate();     // Immediately
 }
@@ -1185,7 +1185,7 @@ void ScPreview::MouseButtonUp( const MouseEvent& rMEvt )
                     }
                     else if( bHeaderRulerMove && bHeaderRulerChange )
                     {
-                        const SfxPoolItem* pItem = NULL;
+                        const SfxPoolItem* pItem = nullptr;
                         if ( rStyleSet.GetItemState( ATTR_PAGE_HEADERSET, false, &pItem ) == SfxItemState::SET )
                         {
                             const SfxItemSet& pHeaderSet = static_cast<const SvxSetItem*>(pItem)->GetItemSet();
@@ -1200,7 +1200,7 @@ void ScPreview::MouseButtonUp( const MouseEvent& rMEvt )
                     }
                     else if( bFooterRulerMove && bFooterRulerChange )
                     {
-                        const SfxPoolItem* pItem = NULL;
+                        const SfxPoolItem* pItem = nullptr;
                         if( rStyleSet.GetItemState( ATTR_PAGE_FOOTERSET, false, &pItem ) == SfxItemState::SET )
                         {
                             const SfxItemSet& pFooterSet = static_cast<const SvxSetItem*>(pItem)->GetItemSet();
@@ -1318,7 +1318,7 @@ void ScPreview::MouseMove( const MouseEvent& rMEvt )
         if (bStateValid)
             pPrintFunc = new ScPrintFunc( this, pDocShell, aState, &aOptions );
         else
-            pPrintFunc = new ScPrintFunc( this, pDocShell, nTab, nFirstAttr[nTab], nTotalPages, NULL, &aOptions );
+            pPrintFunc = new ScPrintFunc( this, pDocShell, nTab, nFirstAttr[nTab], nTotalPages, nullptr, &aOptions );
 
         nLeftMargin = (long)( pPrintFunc->GetLeftMargin() * HMM_PER_TWIPS - aOffset.X() );
         nRightMargin = (long)( pPrintFunc->GetRightMargin() * HMM_PER_TWIPS );
diff --git a/sc/source/ui/view/prevloc.cxx b/sc/source/ui/view/prevloc.cxx
index b0e407c223e0..aa65184d4aca 100644
--- a/sc/source/ui/view/prevloc.cxx
+++ b/sc/source/ui/view/prevloc.cxx
@@ -60,8 +60,8 @@ ScPreviewTableInfo::ScPreviewTableInfo() :
     nTab(0),
     nCols(0),
     nRows(0),
-    pColInfo(NULL),
-    pRowInfo(NULL)
+    pColInfo(nullptr),
+    pRowInfo(nullptr)
 {
 }
 
@@ -115,7 +115,7 @@ void ScPreviewTableInfo::LimitToArea( const Rectangle& rPixelArea )
                 SetColInfo( nNewCount, pNewInfo );
             }
             else
-                SetColInfo( 0, NULL );      // all invisible
+                SetColInfo( 0, nullptr );      // all invisible
         }
     }
 
@@ -142,7 +142,7 @@ void ScPreviewTableInfo::LimitToArea( const Rectangle& rPixelArea )
                 SetRowInfo( nNewCount, pNewInfo );
             }
             else
-                SetRowInfo( 0, NULL );      // all invisible
+                SetRowInfo( 0, nullptr );      // all invisible
         }
     }
 }
@@ -276,7 +276,7 @@ static ScPreviewLocationEntry* lcl_GetEntryByAddress(
             return it.get();
     }
 
-    return NULL;
+    return nullptr;
 }
 
 Rectangle ScPreviewLocationData::GetOffsetPixel( const ScAddress& rCellPos, const ScRange& rRange ) const
@@ -592,7 +592,7 @@ void ScPreviewLocationData::GetTableInfo( const Rectangle& rVisiblePixel, ScPrev
         rInfo.SetColInfo( nColCount, pColInfo );
     }
     else
-        rInfo.SetColInfo( 0, NULL );
+        rInfo.SetColInfo( 0, nullptr );
 
     //  get row info
 
@@ -659,7 +659,7 @@ void ScPreviewLocationData::GetTableInfo( const Rectangle& rVisiblePixel, ScPrev
         rInfo.SetRowInfo( nRowCount, pRowInfo );
     }
     else
-        rInfo.SetRowInfo( 0, NULL );
+        rInfo.SetRowInfo( 0, nullptr );
 
     //  limit to visible area
 
diff --git a/sc/source/ui/view/prevwsh.cxx b/sc/source/ui/view/prevwsh.cxx
index b31044a42176..73b90360f6de 100644
--- a/sc/source/ui/view/prevwsh.cxx
+++ b/sc/source/ui/view/prevwsh.cxx
@@ -151,10 +151,10 @@ ScPreviewShell::ScPreviewShell( SfxViewFrame* pViewFrame,
                                 SfxViewShell* pOldSh ) :
     SfxViewShell( pViewFrame, SfxViewShellFlags::CAN_PRINT | SfxViewShellFlags::HAS_PRINTOPTIONS ),
     pDocShell( static_cast<ScDocShell*>(pViewFrame->GetObjectShell()) ),
-    mpFrameWindow(NULL),
+    mpFrameWindow(nullptr),
     nSourceDesignMode( TRISTATE_INDET ),
     nMaxVertPos(0),
-    pAccessibilityBroadcaster( NULL )
+    pAccessibilityBroadcaster( nullptr )
 {
     Construct( &pViewFrame->GetWindow() );
 
@@ -196,7 +196,7 @@ ScPreviewShell::~ScPreviewShell()
     EndListening(*SfxGetpApp());
     EndListening(*pDocShell);
 
-    SetWindow(0);
+    SetWindow(nullptr);
     pPreview.disposeAndClear();
     pHorScroll.disposeAndClear();
     pVerScroll.disposeAndClear();
@@ -550,7 +550,7 @@ void ScPreviewShell::Activate(bool bMDI)
         // InputHdl is now mostly Null, no moreasssertion!
         ScInputHandler* pInputHdl = SC_MOD()->GetInputHdl();
         if ( pInputHdl )
-            pInputHdl->NotifyChange( NULL );
+            pInputHdl->NotifyChange( nullptr );
     }
 }
 
@@ -645,7 +645,7 @@ void ScPreviewShell::Execute( SfxRequest& rReq )
                     SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
                     if(pFact)
                     {
-                        std::unique_ptr<AbstractSvxZoomDialog> pDlg(pFact->CreateSvxZoomDialog(NULL, aSet));
+                        std::unique_ptr<AbstractSvxZoomDialog> pDlg(pFact->CreateSvxZoomDialog(nullptr, aSet));
                         OSL_ENSURE(pDlg, "Dialog creation failed!");
                         pDlg->SetLimits( 20, 400 );
                         pDlg->HideButton( ZoomButtonId::OPTIMAL );
diff --git a/sc/source/ui/view/printfun.cxx b/sc/source/ui/view/printfun.cxx
index 8512061f164e..ac16552460d1 100644
--- a/sc/source/ui/view/printfun.cxx
+++ b/sc/source/ui/view/printfun.cxx
@@ -90,7 +90,7 @@ ScPageRowEntry::ScPageRowEntry(const ScPageRowEntry& r)
         memcpy( pHidden, r.pHidden, nPagesX * sizeof(bool) );
     }
     else
-        pHidden = NULL;
+        pHidden = nullptr;
 }
 
 const ScPageRowEntry& ScPageRowEntry::operator=(const ScPageRowEntry& r)
@@ -106,7 +106,7 @@ const ScPageRowEntry& ScPageRowEntry::operator=(const ScPageRowEntry& r)
         memcpy( pHidden, r.pHidden, nPagesX * sizeof(bool) );
     }
     else
-        pHidden = NULL;
+        pHidden = nullptr;
 
     return *this;
 }
@@ -117,7 +117,7 @@ void ScPageRowEntry::SetPagesX(size_t nNew)
     {
         OSL_FAIL("SetPagesX nicht nach SetHidden");
         delete[] pHidden;
-        pHidden = NULL;
+        pHidden = nullptr;
     }
     nPagesX = nNew;
 }
@@ -177,12 +177,12 @@ void ScPrintFunc::Construct( const ScPrintOptions* pOptions )
     //  else, EditEngine outputs different text heights
     pDev->SetMapMode(MAP_PIXEL);
 
-    pBorderItem = NULL;
-    pBackgroundItem = NULL;
-    pShadowItem = NULL;
+    pBorderItem = nullptr;
+    pBackgroundItem = nullptr;
+    pShadowItem = nullptr;
 
-    pEditEngine = NULL;
-    pEditDefaults = NULL;
+    pEditEngine = nullptr;
+    pEditDefaults = nullptr;
 
     ScStyleSheetPool* pStylePool    = pDoc->GetStyleSheetPool();
     SfxStyleSheetBase* pStyleSheet  = pStylePool->Find(
@@ -193,7 +193,7 @@ void ScPrintFunc::Construct( const ScPrintOptions* pOptions )
     else
     {
         OSL_FAIL("Seitenvorlage nicht gefunden" );
-        pParamSet = NULL;
+        pParamSet = nullptr;
     }
 
     if (!bState)
@@ -205,7 +205,7 @@ void ScPrintFunc::Construct( const ScPrintOptions* pOptions )
 
     InitParam(pOptions);
 
-    pPageData = NULL;       // is only needed for initialisation
+    pPageData = nullptr;       // is only needed for initialisation
 }
 
 ScPrintFunc::ScPrintFunc( ScDocShell* pShell, SfxPrinter* pNewPrinter, SCTAB nTab,
@@ -214,7 +214,7 @@ ScPrintFunc::ScPrintFunc( ScDocShell* pShell, SfxPrinter* pNewPrinter, SCTAB nTa
                             ScPageBreakData* pData )
     :   pDocShell           ( pShell ),
         pPrinter            ( pNewPrinter ),
-        pDrawView           ( NULL ),
+        pDrawView           ( nullptr ),
         nPrintTab           ( nTab ),
         nPageStart          ( nPage ),
         nDocPages           ( nDocP ),
@@ -240,8 +240,8 @@ ScPrintFunc::ScPrintFunc( OutputDevice* pOutDev, ScDocShell* pShell, SCTAB nTab,
                             long nPage, long nDocP, const ScRange* pArea,
                             const ScPrintOptions* pOptions )
     :   pDocShell           ( pShell ),
-        pPrinter            ( NULL ),
-        pDrawView           ( NULL ),
+        pPrinter            ( nullptr ),
+        pDrawView           ( nullptr ),
         nPrintTab           ( nTab ),
         nPageStart          ( nPage ),
         nDocPages           ( nDocP ),
@@ -256,7 +256,7 @@ ScPrintFunc::ScPrintFunc( OutputDevice* pOutDev, ScDocShell* pShell, SCTAB nTab,
         nPagesX(0),
         nPagesY(0),
         nTotalY(0),
-        pPageData           ( NULL )
+        pPageData           ( nullptr )
 {
     pDev = pOutDev;
     Construct( pOptions );
@@ -265,9 +265,9 @@ ScPrintFunc::ScPrintFunc( OutputDevice* pOutDev, ScDocShell* pShell, SCTAB nTab,
 ScPrintFunc::ScPrintFunc( OutputDevice* pOutDev, ScDocShell* pShell,
                              const ScPrintState& rState, const ScPrintOptions* pOptions )
     :   pDocShell           ( pShell ),
-        pPrinter            ( NULL ),
-        pDrawView           ( NULL ),
-        pUserArea           ( NULL ),
+        pPrinter            ( nullptr ),
+        pDrawView           ( nullptr ),
+        pUserArea           ( nullptr ),
         bSourceRangeValid   ( false ),
         bPrintCurrentTable  ( false ),
         bMultiArea          ( false ),
@@ -275,7 +275,7 @@ ScPrintFunc::ScPrintFunc( OutputDevice* pOutDev, ScDocShell* pShell,
         nPagesX(0),
         nPagesY(0),
         nTotalY(0),
-        pPageData           ( NULL )
+        pPageData           ( nullptr )
 {
     pDev = pOutDev;
 
@@ -596,12 +596,12 @@ static void lcl_FillHFParam( ScPrintHFParam& rParam, const SfxItemSet* pHFSet )
 {
     //  nDistance must be initialized differently before
 
-    if ( pHFSet == NULL )
+    if ( pHFSet == nullptr )
     {
         rParam.bEnable  = false;
-        rParam.pBorder  = NULL;
-        rParam.pBack    = NULL;
-        rParam.pShadow  = NULL;
+        rParam.pBorder  = nullptr;
+        rParam.pBack    = nullptr;
+        rParam.pShadow  = nullptr;
     }
     else
     {
@@ -823,7 +823,7 @@ void ScPrintFunc::InitParam( const ScPrintOptions* pOptions )
     aHdr.pRight     = static_cast<const ScPageHFItem*>( &pParamSet->Get(ATTR_PAGE_HEADERRIGHT) );
 
     const SvxSetItem* pHeaderSetItem;
-    const SfxItemSet* pHeaderSet = NULL;
+    const SfxItemSet* pHeaderSet = nullptr;
     if ( pParamSet->GetItemState( ATTR_PAGE_HEADERSET, false,
                             reinterpret_cast<const SfxPoolItem**>(&pHeaderSetItem) ) == SfxItemState::SET )
     {
@@ -839,7 +839,7 @@ void ScPrintFunc::InitParam( const ScPrintOptions* pOptions )
     aFtr.pRight     = static_cast<const ScPageHFItem*>( &pParamSet->Get(ATTR_PAGE_FOOTERRIGHT) );
 
     const SvxSetItem* pFooterSetItem;
-    const SfxItemSet* pFooterSet = NULL;
+    const SfxItemSet* pFooterSet = nullptr;
     if ( pParamSet->GetItemState( ATTR_PAGE_FOOTERSET, false,
                             reinterpret_cast<const SfxPoolItem**>(&pFooterSetItem) ) == SfxItemState::SET )
     {
@@ -853,9 +853,9 @@ void ScPrintFunc::InitParam( const ScPrintOptions* pOptions )
 
     // TabPage "Table"
 
-    const SfxUInt16Item*     pScaleItem          = NULL;
-    const ScPageScaleToItem* pScaleToItem        = NULL;
-    const SfxUInt16Item*     pScaleToPagesItem   = NULL;
+    const SfxUInt16Item*     pScaleItem          = nullptr;
+    const ScPageScaleToItem* pScaleToItem        = nullptr;
+    const SfxUInt16Item*     pScaleToPagesItem   = nullptr;
     SfxItemState             eState;
 
     eState = pParamSet->GetItemState( ATTR_PAGE_SCALE, false,
@@ -1187,7 +1187,7 @@ static void lcl_DrawGraphic( const SvxBrushItem &rBrush, vcl::RenderContext *pOu
                             const double    Abitmap( k1/k2 * aSize.Width()*aSize.Height() );
 
                             aObject.DrawTiled( pOut, rOrg, aGrfSize, Size(0,0),
-                                               NULL, GraphicManagerDrawFlags::STANDARD,
+                                               nullptr, GraphicManagerDrawFlags::STANDARD,
                                                ::std::max( 128, static_cast<int>( sqrt(sqrt( Abitmap)) + .5 ) ) );
                         }
                         else
@@ -1223,7 +1223,7 @@ void ScPrintFunc::DrawBorder( long nScrX, long nScrY, long nScrW, long nScrH,
     if (pBorderData)
         if ( !pBorderData->GetTop() && !pBorderData->GetBottom() && !pBorderData->GetLeft() &&
                                         !pBorderData->GetRight() )
-            pBorderData = NULL;
+            pBorderData = nullptr;
 
     if (!pBorderData && !pBackground && !pShadow)
         return;                                     // nothing to do
@@ -2522,7 +2522,7 @@ long ScPrintFunc::CountNotePages()
     long nNoteAdd;
     do
     {
-        nNoteAdd = PrintNotes( nPages, nNoteNr, false, NULL );
+        nNoteAdd = PrintNotes( nPages, nNoteNr, false, nullptr );
         if (nNoteAdd)
         {
             nNoteNr += nNoteAdd;
@@ -2705,7 +2705,7 @@ long ScPrintFunc::DoPrint( const MultiSelection& rPageRanges,
         {
             bool bPageSelected = rPageRanges.IsSelected( nPageNo+nStartPage+1 );
             nNoteAdd = PrintNotes( nPageNo+nStartPage, nNoteNr, bDoPrint && bPageSelected,
-                                    ( bPageSelected ? pLocationData : NULL ) );
+                                    ( bPageSelected ? pLocationData : nullptr ) );
             if ( nNoteAdd )
             {
                 nNoteNr += nNoteAdd;
@@ -2731,7 +2731,7 @@ long ScPrintFunc::DoPrint( const MultiSelection& rPageRanges,
 void ScPrintFunc::CalcZoom( sal_uInt16 nRangeNo )                       // calculate zoom
 {
     sal_uInt16 nRCount = pDoc->GetPrintRangeCount( nPrintTab );
-    const ScRange* pThisRange = NULL;
+    const ScRange* pThisRange = nullptr;
     if ( nRangeNo != RANGENO_NORANGE || nRangeNo < nRCount )
         pThisRange = pDoc->GetPrintRange( nPrintTab, nRangeNo );
     if ( pThisRange )
@@ -3069,7 +3069,7 @@ void ScPrintFunc::CalcPages()               // calculates aPageRect and pages fr
         }
 
         SCROW nLastRow = -1;
-        if (!pDoc->RowHidden(nRow, nPrintTab, NULL, &nLastRow))
+        if (!pDoc->RowHidden(nRow, nPrintTab, nullptr, &nLastRow))
         {
             bVisRow = true;
             nLastVisibleRow = nLastRow;
diff --git a/sc/source/ui/view/reffact.cxx b/sc/source/ui/view/reffact.cxx
index 4c986dd94f2f..565d989d9ba1 100644
--- a/sc/source/ui/view/reffact.cxx
+++ b/sc/source/ui/view/reffact.cxx
@@ -140,7 +140,7 @@ ScSimpleRefDlgWrapper::ScSimpleRefDlgWrapper( vcl::Window* pParentP,
         : SfxChildWindow(pParentP, nId)
 {
 
-    ScTabViewShell* pViewShell = NULL;
+    ScTabViewShell* pViewShell = nullptr;
     SfxDispatcher* pDisp = p->GetDispatcher();
     if ( pDisp )
     {
@@ -151,14 +151,14 @@ ScSimpleRefDlgWrapper::ScSimpleRefDlgWrapper( vcl::Window* pParentP,
 
     OSL_ENSURE( pViewShell, "missing view shell :-(" );
 
-    if(pInfo!=NULL && bScSimpleRefFlag)
+    if(pInfo!=nullptr && bScSimpleRefFlag)
     {
         pInfo->aPos.X()=nScSimpleRefX;
         pInfo->aPos.Y()=nScSimpleRefY;
         pInfo->aSize.Height()=nScSimpleRefHeight;
         pInfo->aSize.Width()=nScSimpleRefWidth;
     }
-    SetWindow(NULL);
+    SetWindow(nullptr);
 
     if(bAutoReOpen && pViewShell)
         SetWindow( pViewShell->CreateRefDialog( p, this, pInfo, pParentP, WID_SIMPLE_REF) );
@@ -244,7 +244,7 @@ ScAcceptChgDlgWrapper::ScAcceptChgDlgWrapper(   vcl::Window* pParentP,
             static_cast<ScAcceptChgDlg*>(GetWindow())->Initialize( pInfo );
         }
         else
-            SetWindow( NULL );
+            SetWindow( nullptr );
         if (pViewShell && !GetWindow())
             pViewShell->GetViewFrame()->SetChildWindow( nId, false );
 }
@@ -275,7 +275,7 @@ namespace
                     if( SfxViewShell* pViewSh = pFrm->GetViewShell() )
                         return dynamic_cast<ScTabViewShell*>( pViewSh );
 
-        return NULL;
+        return nullptr;
     }
 }
 
@@ -286,7 +286,7 @@ ScValidityRefChildWin::ScValidityRefChildWin( vcl::Window*               pParent
                                              : SfxChildWindow(pParentP, nId),
                                              m_bVisibleLock( false ),
                                              m_bFreeWindowLock( false ),
-                                             m_pSavedWndParent( NULL )
+                                             m_pSavedWndParent( nullptr )
 {
     SetWantsFocus( false );
     VclPtr<ScValidationDlg> pDlg = ScValidationDlg::Find1AliveObject( pParentP );
diff --git a/sc/source/ui/view/scextopt.cxx b/sc/source/ui/view/scextopt.cxx
index dea6e14a6d1b..97475e8ee6fd 100644
--- a/sc/source/ui/view/scextopt.cxx
+++ b/sc/source/ui/view/scextopt.cxx
@@ -94,7 +94,7 @@ ScExtTabSettingsCont& ScExtTabSettingsCont::operator=( const ScExtTabSettingsCon
 const ScExtTabSettings* ScExtTabSettingsCont::GetTabSettings( SCTAB nTab ) const
 {
     ScExtTabSettingsMap::const_iterator aIt = maMap.find( nTab );
-    return (aIt == maMap.end()) ? 0 : aIt->second.get();
+    return (aIt == maMap.end()) ? nullptr : aIt->second.get();
 }
 
 ScExtTabSettings& ScExtTabSettingsCont::GetOrCreateTabSettings( SCTAB nTab )
diff --git a/sc/source/ui/view/select.cxx b/sc/source/ui/view/select.cxx
index acbb0f3c95d7..a9b4a20ff2b6 100644
--- a/sc/source/ui/view/select.cxx
+++ b/sc/source/ui/view/select.cxx
@@ -48,7 +48,7 @@ static bool bDidSwitch = false;
 // View (Gridwin / keyboard)
 ScViewFunctionSet::ScViewFunctionSet( ScViewData* pNewViewData ) :
         pViewData( pNewViewData ),
-        pEngine( NULL ),
+        pEngine( nullptr ),
         bAnchor( false ),
         bStarted( false )
 {
@@ -206,7 +206,7 @@ void ScViewFunctionSet::BeginDrag()
                 if ( pWindow->IsTracking() )
                     pWindow->EndTracking( TrackingEventFlags::Cancel );    // abort selecting
 
-                SC_MOD()->SetDragObject( pTransferObj, NULL );      // for internal D&D
+                SC_MOD()->SetDragObject( pTransferObj, nullptr );      // for internal D&D
                 pTransferObj->StartDrag( pWindow, nDragActions );
 
                 return;         // dragging started
diff --git a/sc/source/ui/view/spellcheckcontext.cxx b/sc/source/ui/view/spellcheckcontext.cxx
index 66c218e679b5..a01df2221058 100644
--- a/sc/source/ui/view/spellcheckcontext.cxx
+++ b/sc/source/ui/view/spellcheckcontext.cxx
@@ -66,7 +66,7 @@ const std::vector<editeng::MisspellRanges>* SpellCheckContext::getMisspellRanges
 {
     CellMapType::const_iterator it = maMisspellCells.find(CellPos(nCol,nRow));
     if (it == maMisspellCells.end())
-        return NULL;
+        return nullptr;
 
     return &it->second;
 }
diff --git a/sc/source/ui/view/spelldialog.cxx b/sc/source/ui/view/spelldialog.cxx
index 033bcd207394..5ee00f9bde01 100644
--- a/sc/source/ui/view/spelldialog.cxx
+++ b/sc/source/ui/view/spelldialog.cxx
@@ -42,10 +42,10 @@ SFX_IMPL_CHILDWINDOW_WITHID( ScSpellDialogChildWindow, SID_SPELL_DIALOG )
 ScSpellDialogChildWindow::ScSpellDialogChildWindow( vcl::Window* pParentP, sal_uInt16 nId,
         SfxBindings* pBindings, SfxChildWinInfo* pInfo ) :
     svx::SpellDialogChildWindow( pParentP, nId, pBindings, pInfo ),
-    mpViewShell( 0 ),
-    mpViewData( 0 ),
-    mpDocShell( 0 ),
-    mpDoc( 0 ),
+    mpViewShell( nullptr ),
+    mpViewData( nullptr ),
+    mpDocShell( nullptr ),
+    mpDoc( nullptr ),
     mbNeedNextObj( false ),
     mbOldIdleEnabled(true)
 {
@@ -140,7 +140,7 @@ void ScSpellDialogChildWindow::Reset()
             mpDocShell->SetDocumentModified();
         }
 
-        mpViewData->SetSpellingView( 0 );
+        mpViewData->SetSpellingView( nullptr );
         mpViewShell->KillEditView( true );
         mpDocShell->PostPaintGridAll();
         mpViewShell->UpdateInputHandler();
@@ -151,10 +151,10 @@ void ScSpellDialogChildWindow::Reset()
     mxRedoDoc.reset();
     mxOldSel.reset();
     mxOldRangeList.reset();
-    mpViewShell = 0;
-    mpViewData = 0;
-    mpDocShell = 0;
-    mpDoc = 0;
+    mpViewShell = nullptr;
+    mpViewData = nullptr;
+    mpDocShell = nullptr;
+    mpDoc = nullptr;
     mbNeedNextObj = false;
     mbOldIdleEnabled = true;
 }
@@ -163,7 +163,7 @@ void ScSpellDialogChildWindow::Init()
 {
     if( mpViewShell )
         return;
-    if( (mpViewShell = dynamic_cast<ScTabViewShell*>( SfxViewShell::Current() )) == 0  )
+    if( (mpViewShell = dynamic_cast<ScTabViewShell*>( SfxViewShell::Current() )) == nullptr  )
         return;
 
     mpViewData = &mpViewShell->GetViewData();
diff --git a/sc/source/ui/view/spelleng.cxx b/sc/source/ui/view/spelleng.cxx
index 9b9f4c2572e1..871de86d2c0e 100644
--- a/sc/source/ui/view/spelleng.cxx
+++ b/sc/source/ui/view/spelleng.cxx
@@ -79,8 +79,8 @@ bool ScConversionEngineBase::FindNextConversionCell()
 {
     ScMarkData& rMark = mrViewData.GetMarkData();
     ScTabViewShell* pViewShell = mrViewData.GetViewShell();
-    const ScPatternAttr* pPattern = NULL;
-    const ScPatternAttr* pLastPattern = NULL;
+    const ScPatternAttr* pPattern = nullptr;
+    const ScPatternAttr* pLastPattern = nullptr;
 
     std::unique_ptr<SfxItemSet> pEditDefaults(new SfxItemSet(GetEmptyItemSet()));
 
diff --git a/sc/source/ui/view/tabcont.cxx b/sc/source/ui/view/tabcont.cxx
index ca8c67e62e4e..e10a0a129728 100644
--- a/sc/source/ui/view/tabcont.cxx
+++ b/sc/source/ui/view/tabcont.cxx
@@ -478,7 +478,7 @@ void ScTabControl::DoDrag( const vcl::Region& /* rRegion */ )
     pTransferObj->SetDragSource( pDocSh, aTabMark );
 
     vcl::Window* pWindow = pViewData->GetActiveWin();
-    SC_MOD()->SetDragObject( pTransferObj, NULL );      // for internal D&D
+    SC_MOD()->SetDragObject( pTransferObj, nullptr );      // for internal D&D
     pTransferObj->StartDrag( pWindow, DND_ACTION_COPYMOVE | DND_ACTION_LINK );
 }
 
diff --git a/sc/source/ui/view/tabview.cxx b/sc/source/ui/view/tabview.cxx
index 46cbafea8d08..e8a1918844d3 100644
--- a/sc/source/ui/view/tabview.cxx
+++ b/sc/source/ui/view/tabview.cxx
@@ -194,11 +194,11 @@ bool lcl_HasRowOutline( const ScViewData& rViewData )
 ScTabView::ScTabView( vcl::Window* pParent, ScDocShell& rDocSh, ScTabViewShell* pViewShell ) :
     pFrameWin( pParent ),
     aViewData( &rDocSh, pViewShell ),
-    pSelEngine( NULL ),
+    pSelEngine( nullptr ),
     aFunctionSet( &aViewData ),
-    pHdrSelEng( NULL ),
+    pHdrSelEng( nullptr ),
     aHdrFunc( &aViewData ),
-    pDrawView( NULL ),
+    pDrawView( nullptr ),
     aVScrollTop( VclPtr<ScrollBar>::Create( pFrameWin, WinBits( WB_VSCROLL | WB_DRAG ) ) ),
     aVScrollBottom( VclPtr<ScrollBar>::Create( pFrameWin, WinBits( WB_VSCROLL | WB_DRAG ) ) ),
     aHScrollLeft( VclPtr<ScrollBar>::Create( pFrameWin, WinBits( WB_HSCROLL | WB_DRAG ) ) ),
@@ -206,11 +206,11 @@ ScTabView::ScTabView( vcl::Window* pParent, ScDocShell& rDocSh, ScTabViewShell*
     aCornerButton( VclPtr<ScCornerButton>::Create( pFrameWin, &aViewData, false ) ),
     aTopButton( VclPtr<ScCornerButton>::Create( pFrameWin, &aViewData, true ) ),
     aScrollBarBox( VclPtr<ScrollBarBox>::Create( pFrameWin, WB_SIZEABLE ) ),
-    mpInputHintWindow( NULL ),
-    pPageBreakData( NULL ),
-    pBrushDocument( NULL ),
-    pDrawBrushSet( NULL ),
-    pTimerWindow( NULL ),
+    mpInputHintWindow( nullptr ),
+    pPageBreakData( nullptr ),
+    pBrushDocument( nullptr ),
+    pDrawBrushSet( nullptr ),
+    pTimerWindow( nullptr ),
     nTipVisible( 0 ),
     nPrevDragPos( 0 ),
     meBlockMode(None),
@@ -266,7 +266,7 @@ void ScTabView::SetTimer( ScGridWindow* pWin, const MouseEvent& rMEvt )
 void ScTabView::ResetTimer()
 {
     aScrollTimer.Stop();
-    pTimerWindow = NULL;
+    pTimerWindow = nullptr;
 }
 
 IMPL_LINK_NOARG_TYPED(ScTabView, TimerHdl, Timer *, void)
diff --git a/sc/source/ui/view/tabview2.cxx b/sc/source/ui/view/tabview2.cxx
index 68744a0c21cc..2d4dbe59ebdf 100644
--- a/sc/source/ui/view/tabview2.cxx
+++ b/sc/source/ui/view/tabview2.cxx
@@ -80,7 +80,7 @@ void moveCursorByProtRule(
         {
             SCCOL nNewUnhiddenCol = rCol + 1;
             SCCOL nEndCol = 0;
-            while(pDoc->ColHidden(nNewUnhiddenCol, nTab, NULL, &nEndCol))
+            while(pDoc->ColHidden(nNewUnhiddenCol, nTab, nullptr, &nEndCol))
             {
                 if(nNewUnhiddenCol >= MAXCOL)
                     return;
@@ -121,7 +121,7 @@ void moveCursorByProtRule(
         {
             SCROW nNewUnhiddenRow = rRow + 1;
             SCROW nEndRow = 0;
-            while(pDoc->RowHidden(nNewUnhiddenRow, nTab, NULL, &nEndRow))
+            while(pDoc->RowHidden(nNewUnhiddenRow, nTab, nullptr, &nEndRow))
             {
                 if(nNewUnhiddenRow >= MAXROW)
                     return;
@@ -501,7 +501,7 @@ void ScTabView::MarkCursor( SCCOL nCurX, SCROW nCurY, SCTAB nCurZ,
             SCsROW nCurYOffset = 0;
             SCsROW nBlockStartYOffset = 0;
             bool bBlockStartMerged = false;
-            const ScMergeAttr* pMergeAttr = NULL;
+            const ScMergeAttr* pMergeAttr = nullptr;
             ScDocument* pDocument = aViewData.GetDocument();
 
             // The following block checks whether or not the "BlockStart" (anchor)
@@ -802,7 +802,7 @@ void ScTabView::SkipCursorVertical(SCsCOL& rCurX, SCsROW& rCurY, SCsROW nOldY, S
     do
     {
         SCROW nLastRow = -1;
-        bSkipCell = pDoc->RowHidden(rCurY, nTab, NULL, &nLastRow) || pDoc->IsVerOverlapped( rCurX, rCurY, nTab );
+        bSkipCell = pDoc->RowHidden(rCurY, nTab, nullptr, &nLastRow) || pDoc->IsVerOverlapped( rCurX, rCurY, nTab );
         if (bSkipProtected && !bSkipCell)
             bSkipCell = pDoc->HasAttrib(rCurX, rCurY, nTab, rCurX, rCurY, nTab, HASATTR_PROTECTED);
         if (bSkipUnprotected && !bSkipCell)
@@ -1426,7 +1426,7 @@ void ScTabView::ErrorMessage( sal_uInt16 nGlobStrId )
 
 void ScTabView::UpdatePageBreakData( bool bForcePaint )
 {
-    ScPageBreakData* pNewData = NULL;
+    ScPageBreakData* pNewData = nullptr;
 
     if (aViewData.IsPagebreakMode())
     {
@@ -1439,7 +1439,7 @@ void ScTabView::UpdatePageBreakData( bool bForcePaint )
             nCount = 1;
         pNewData = new ScPageBreakData(nCount);
 
-        ScPrintFunc aPrintFunc( pDocSh, pDocSh->GetPrinter(), nTab, 0,0,NULL, NULL, pNewData );
+        ScPrintFunc aPrintFunc( pDocSh, pDocSh->GetPrinter(), nTab, 0,0,nullptr, nullptr, pNewData );
         // ScPrintFunc fills the PageBreakData in ctor
         if ( nCount > 1 )
         {
diff --git a/sc/source/ui/view/tabview3.cxx b/sc/source/ui/view/tabview3.cxx
index c864d2d053d2..8e6d1432f30a 100644
--- a/sc/source/ui/view/tabview3.cxx
+++ b/sc/source/ui/view/tabview3.cxx
@@ -323,7 +323,7 @@ void ScTabView::CheckSelectionTransfer()
             //  remove own selection
 
             pOld->ForgetView();
-            pScMod->SetSelectionTransfer( NULL );
+            pScMod->SetSelectionTransfer( nullptr );
             TransferableHelper::ClearSelection( GetActiveWin() );       // may delete pOld
         }
         // else: selection from outside: leave unchanged
@@ -449,7 +449,7 @@ void ScTabView::CursorPosChanged()
     //  Broadcast, so that other Views of the document also switch
 
     ScDocument* pDoc = aViewData.GetDocument();
-    bool bDP = NULL != pDoc->GetDPAtCursor(
+    bool bDP = nullptr != pDoc->GetDPAtCursor(
         aViewData.GetCurX(), aViewData.GetCurY(), aViewData.GetTabNo() );
     aViewData.GetViewShell()->SetPivotShell(bDP);
 
@@ -659,7 +659,7 @@ void ScTabView::TestHintWindow()
 
 bool ScTabView::HasHintWindow() const
 {
-    return mpInputHintWindow.get() != NULL;
+    return mpInputHintWindow.get() != nullptr;
 }
 
 void ScTabView::RemoveHintWindow()
@@ -696,7 +696,7 @@ static vcl::Window* lcl_GetCareWin(SfxViewFrame* pViewFrm)
         }
     }
 
-    return NULL;
+    return nullptr;
 }
 
     // adjust screen with respect to cursor position
@@ -1734,7 +1734,7 @@ void ScTabView::SetTabNo( SCTAB nTab, bool bNew, bool bExtendSelection, bool bSa
             sal_uInt16 nCurRefDlgId=pScMod->GetCurRefDlgId();
             SfxViewFrame* pViewFrm = aViewData.GetViewShell()->GetViewFrame();
             SfxChildWindow* pChildWnd = pViewFrm->GetChildWindow( nCurRefDlgId );
-            IAnyRefDialog* pRefDlg = pChildWnd ? dynamic_cast<IAnyRefDialog*>(pChildWnd->GetWindow()) : NULL;
+            IAnyRefDialog* pRefDlg = pChildWnd ? dynamic_cast<IAnyRefDialog*>(pChildWnd->GetWindow()) : nullptr;
             if (pRefDlg)
             {
                 pRefDlg->ViewShellChanged();
diff --git a/sc/source/ui/view/tabview5.cxx b/sc/source/ui/view/tabview5.cxx
index a91af4d4c39c..cca6f0bac2e6 100644
--- a/sc/source/ui/view/tabview5.cxx
+++ b/sc/source/ui/view/tabview5.cxx
@@ -76,7 +76,7 @@ void ScTabView::Init()
     aScrollTimer.SetTimeoutHdl( LINK( this, ScTabView, TimerHdl ) );
 
     for (i=0; i<4; i++)
-        pGridWin[i] = NULL;
+        pGridWin[i] = nullptr;
     pGridWin[SC_SPLIT_BOTTOMLEFT] = VclPtr<ScGridWindow>::Create( pFrameWin, &aViewData, SC_SPLIT_BOTTOMLEFT );
 
     pSelEngine = new ScViewSelectionEngine( pGridWin[SC_SPLIT_BOTTOMLEFT], this,
@@ -87,12 +87,12 @@ void ScTabView::Init()
 
     pColBar[SC_SPLIT_LEFT] = VclPtr<ScColBar>::Create( pFrameWin, &aViewData, SC_SPLIT_LEFT,
                                                 &aHdrFunc, pHdrSelEng );
-    pColBar[SC_SPLIT_RIGHT] = NULL;
+    pColBar[SC_SPLIT_RIGHT] = nullptr;
     pRowBar[SC_SPLIT_BOTTOM] = VclPtr<ScRowBar>::Create( pFrameWin, &aViewData, SC_SPLIT_BOTTOM,
                                                 &aHdrFunc, pHdrSelEng );
-    pRowBar[SC_SPLIT_TOP] = NULL;
+    pRowBar[SC_SPLIT_TOP] = nullptr;
     for (i=0; i<2; i++)
-        pColOutline[i] = pRowOutline[i] = NULL;
+        pColOutline[i] = pRowOutline[i] = nullptr;
 
     pHSplitter = VclPtr<ScTabSplitter>::Create( pFrameWin, WinBits( WB_HSCROLL ), &aViewData );
     pVSplitter = VclPtr<ScTabSplitter>::Create( pFrameWin, WinBits( WB_VSCROLL ), &aViewData );
@@ -130,8 +130,8 @@ void ScTabView::Init()
 
     //  UpdateShow kommt beim Resize, oder bei Kopie einer bestehenden View aus dem ctor
 
-    pDrawActual = NULL;
-    pDrawOld    = NULL;
+    pDrawActual = nullptr;
+    pDrawOld    = nullptr;
 
             //  DrawView darf nicht im TabView - ctor angelegt werden,
             //  wenn die ViewShell noch nicht konstruiert ist...
@@ -150,7 +150,7 @@ ScTabView::~ScTabView()
     if ( pOld && pOld->GetView() == this )
     {
         pOld->ForgetView();
-        pScMod->SetSelectionTransfer( NULL );
+        pScMod->SetSelectionTransfer( nullptr );
         TransferableHelper::ClearSelection( GetActiveWin() );       // may delete pOld
     }
 
@@ -219,7 +219,7 @@ void ScTabView::MakeDrawView( TriState nForceDesignMode )
             if (pGridWin[i])
             {
                 if ( SC_SPLIT_BOTTOMLEFT != (ScSplitPos)i )
-                    pDrawView->AddWindowToPaintView(pGridWin[i], 0);
+                    pDrawView->AddWindowToPaintView(pGridWin[i], nullptr);
             }
         pDrawView->RecalcScale();
         for (i=0; i<4; i++)
@@ -254,7 +254,7 @@ void ScTabView::DoAddWin( ScGridWindow* pWin )
 {
     if (pDrawView)
     {
-        pDrawView->AddWindowToPaintView(pWin, 0);
+        pDrawView->AddWindowToPaintView(pWin, nullptr);
 
         pWin->DrawLayerCreated();
     }
@@ -602,7 +602,7 @@ void ScTabView::SetBrushDocument( ScDocument* pNew, bool bLock )
     delete pDrawBrushSet;
 
     pBrushDocument = pNew;
-    pDrawBrushSet = NULL;
+    pDrawBrushSet = nullptr;
 
     bLockPaintBrush = bLock;
 
@@ -614,7 +614,7 @@ void ScTabView::SetDrawBrushSet( SfxItemSet* pNew, bool bLock )
     delete pBrushDocument;
     delete pDrawBrushSet;
 
-    pBrushDocument = NULL;
+    pBrushDocument = nullptr;
     pDrawBrushSet = pNew;
 
     bLockPaintBrush = bLock;
@@ -626,7 +626,7 @@ void ScTabView::ResetBrushDocument()
 {
     if ( HasPaintBrush() )
     {
-        SetBrushDocument( NULL, false );
+        SetBrushDocument( nullptr, false );
         SetActivePointer( Pointer( PointerStyle::Arrow ) );   // switch pointers also when ended with escape key
     }
 }
diff --git a/sc/source/ui/view/tabvwsh2.cxx b/sc/source/ui/view/tabvwsh2.cxx
index 0f3b1d177edc..6aa2bb3c5b89 100644
--- a/sc/source/ui/view/tabvwsh2.cxx
+++ b/sc/source/ui/view/tabvwsh2.cxx
@@ -241,7 +241,7 @@ void ScTabViewShell::ExecDraw(SfxRequest& rReq)
 
         pTabView->GetDrawFuncPtr()->Deactivate();
         pTabView->SetDrawFuncOldPtr(pTabView->GetDrawFuncPtr());
-        pTabView->SetDrawFuncPtr(NULL);
+        pTabView->SetDrawFuncPtr(nullptr);
     }
 
     SfxRequest aNewReq(rReq);
diff --git a/sc/source/ui/view/tabvwsh3.cxx b/sc/source/ui/view/tabvwsh3.cxx
index d4badd8cd2d5..957fa3fdfc94 100644
--- a/sc/source/ui/view/tabvwsh3.cxx
+++ b/sc/source/ui/view/tabvwsh3.cxx
@@ -199,11 +199,11 @@ void ScTabViewShell::Execute( SfxRequest& rReq )
                     const SfxPoolItem* pItem;
                     if ( pReqArgs->GetItemState( SID_DEFINE_PRINTAREA, true, &pItem ) == SfxItemState::SET )
                         aPrintStr = static_cast<const SfxStringItem*>(pItem)->GetValue();
-                    SetPrintRanges( false, &aPrintStr, NULL, NULL, bAdd );
+                    SetPrintRanges( false, &aPrintStr, nullptr, nullptr, bAdd );
                 }
                 else
                 {
-                    SetPrintRanges( false, NULL, NULL, NULL, bAdd );      // from selection
+                    SetPrintRanges( false, nullptr, nullptr, nullptr, bAdd );      // from selection
                     rReq.Done();
                 }
             }
@@ -214,7 +214,7 @@ void ScTabViewShell::Execute( SfxRequest& rReq )
                 // Clear currently defined print range if any, and reset it to
                 // print entire sheet which is the default.
                 OUString aEmpty;
-                SetPrintRanges(true, &aEmpty, NULL, NULL, false);
+                SetPrintRanges(true, &aEmpty, nullptr, nullptr, false);
                 rReq.Done();
             }
             break;
@@ -472,7 +472,7 @@ void ScTabViewShell::Execute( SfxRequest& rReq )
                 OUString aStrDocName( static_cast<const SfxStringItem&>(pReqArgs->
                                         Get(nSlot)).GetValue() );
 
-                SfxViewFrame*   pViewFrame = NULL;
+                SfxViewFrame*   pViewFrame = nullptr;
                 ScDocShell*     pDocSh = static_cast<ScDocShell*>(SfxObjectShell::GetFirst());
                 bool            bFound = false;
 
@@ -483,7 +483,7 @@ void ScTabViewShell::Execute( SfxRequest& rReq )
                     if ( pDocSh->GetTitle() == aStrDocName )
                     {
                         pViewFrame = SfxViewFrame::GetFirst( pDocSh );
-                        bFound = ( NULL != pViewFrame );
+                        bFound = ( nullptr != pViewFrame );
                     }
 
                     pDocSh = static_cast<ScDocShell*>(SfxObjectShell::GetNext( *pDocSh ));
@@ -623,7 +623,7 @@ void ScTabViewShell::Execute( SfxRequest& rReq )
             {
                 sal_uInt16          nId  = ScInputWindowWrapper::GetChildWindowId();
                 SfxChildWindow* pWnd = pThisFrame->GetChildWindow( nId );
-                bool bSet = ( pWnd == NULL );
+                bool bSet = ( pWnd == nullptr );
                 const SfxPoolItem* pItem;
                 if ( pReqArgs && pReqArgs->GetItemState(nSlot, true, &pItem) == SfxItemState::SET )
                     bSet = static_cast<const SfxBoolItem*>(pItem)->GetValue();
@@ -748,7 +748,7 @@ void ScTabViewShell::Execute( SfxRequest& rReq )
 
         case SID_ATTR_ZOOMSLIDER:
             {
-                const SfxPoolItem* pItem = NULL;
+                const SfxPoolItem* pItem = nullptr;
                 bool bSyncZoom = SC_MOD()->GetAppOptions().GetSynchronizeZoom();
                 if ( pReqArgs && pReqArgs->GetItemState(SID_ATTR_ZOOMSLIDER, true, &pItem) == SfxItemState::SET )
                 {
diff --git a/sc/source/ui/view/tabvwsh4.cxx b/sc/source/ui/view/tabvwsh4.cxx
index 15c4194706b8..faa12b474655 100644
--- a/sc/source/ui/view/tabvwsh4.cxx
+++ b/sc/source/ui/view/tabvwsh4.cxx
@@ -137,7 +137,7 @@ void ScTabViewShell::Activate(bool bMDI)
                     ScInputHandler* pOldHdl=pWin->GetInputHandler();
 
                     SfxViewShell* pSh = SfxViewShell::GetFirst( true, checkSfxViewShell<ScTabViewShell> );
-                    while ( pSh!=NULL && pOldHdl!=NULL)
+                    while ( pSh!=nullptr && pOldHdl!=nullptr)
                     {
                         if (static_cast<ScTabViewShell*>(pSh)->GetInputHandler() == pOldHdl)
                         {
@@ -225,7 +225,7 @@ void ScTabViewShell::Deactivate(bool bMDI)
 
     ScChangeTrack* pChanges=pDoc->GetChangeTrack();
 
-    if(pChanges!=NULL)
+    if(pChanges!=nullptr)
     {
         Link<ScChangeTrack&,void> aLink;
         pChanges->SetModifiedLink(aLink);
@@ -248,10 +248,10 @@ void ScTabViewShell::Deactivate(bool bMDI)
             GetViewData().GetDocShell()->UpdateOle(&GetViewData(), true);
 
         if ( pHdl )
-            pHdl->NotifyChange( NULL, true ); // timer-delayed due to document switching
+            pHdl->NotifyChange( nullptr, true ); // timer-delayed due to document switching
 
         if (pScActiveViewShell == this)
-            pScActiveViewShell = NULL;
+            pScActiveViewShell = nullptr;
 
         bDontSwitch = bOldDontSwitch;
     }
@@ -824,14 +824,14 @@ void ScTabViewShell::SetCurSubShell(ObjectSelectionType eOST, bool bForce)
             {
                 if (svx::checkForSelectedCustomShapes(
                             GetScDrawView(), true /* bOnlyExtruded */ )) {
-                    if (pExtrusionBarShell == 0)
+                    if (pExtrusionBarShell == nullptr)
                         pExtrusionBarShell = new svx::ExtrusionBar(this);
                     AddSubShell( *pExtrusionBarShell );
                 }
                 sal_uInt32 nCheckStatus = 0;
                 if (svx::checkForSelectedFontWork(
                             GetScDrawView(), nCheckStatus )) {
-                    if (pFontworkBarShell == 0)
+                    if (pFontworkBarShell == nullptr)
                         pFontworkBarShell = new svx::FontworkBar(this);
                     AddSubShell( *pFontworkBarShell );
                 }
@@ -994,7 +994,7 @@ SfxShell* ScTabViewShell::GetMySubShell() const
 
         pSub = const_cast<ScTabViewShell*>(this)->GetSubShell(++nPos);
     }
-    return NULL;        // none from mine present
+    return nullptr;        // none from mine present
 }
 
 bool ScTabViewShell::IsDrawTextShell() const
@@ -1062,8 +1062,8 @@ VclPtr<SfxTabPage> ScTabViewShell::CreatePrintOptionsPage( vcl::Window *pParent,
 
 void ScTabViewShell::StopEditShell()
 {
-    if ( pEditShell != NULL && !bDontSwitch )
-        SetEditShell(NULL, false );
+    if ( pEditShell != nullptr && !bDontSwitch )
+        SetEditShell(nullptr, false );
 }
 
 // close handler to ensure function of dialog:
@@ -1086,7 +1086,7 @@ IMPL_LINK_NOARG_TYPED(ScTabViewShell, SimpleRefClose, const OUString*, void)
 
 static ScTabViewObj* lcl_GetViewObj( ScTabViewShell& rShell )
 {
-    ScTabViewObj* pRet = NULL;
+    ScTabViewObj* pRet = nullptr;
     SfxViewFrame* pViewFrame = rShell.GetViewFrame();
     if (pViewFrame)
     {
@@ -1634,26 +1634,26 @@ ScTabViewShell::ScTabViewShell( SfxViewFrame* pViewFrame,
     nDrawSfxId(0),
     nCtrlSfxId(USHRT_MAX),
     nFormSfxId(USHRT_MAX),
-    pDrawShell(NULL),
-    pDrawTextShell(NULL),
-    pEditShell(NULL),
-    pPivotShell(NULL),
-    pAuditingShell(NULL),
-    pDrawFormShell(NULL),
-    pCellShell(NULL),
-    pOleObjectShell(NULL),
-    pChartShell(NULL),
-    pGraphicShell(NULL),
-    pMediaShell(NULL),
-    pPageBreakShell(NULL),
-    pExtrusionBarShell(NULL),
-    pFontworkBarShell(NULL),
-    pFormShell(NULL),
-    pInputHandler(NULL),
-    pCurFrameLine(NULL),
+    pDrawShell(nullptr),
+    pDrawTextShell(nullptr),
+    pEditShell(nullptr),
+    pPivotShell(nullptr),
+    pAuditingShell(nullptr),
+    pDrawFormShell(nullptr),
+    pCellShell(nullptr),
+    pOleObjectShell(nullptr),
+    pChartShell(nullptr),
+    pGraphicShell(nullptr),
+    pMediaShell(nullptr),
+    pPageBreakShell(nullptr),
+    pExtrusionBarShell(nullptr),
+    pFontworkBarShell(nullptr),
+    pFormShell(nullptr),
+    pInputHandler(nullptr),
+    pCurFrameLine(nullptr),
     aTarget(this),
-    pDialogDPObject(NULL),
-    pNavSettings(NULL),
+    pDialogDPObject(nullptr),
+    pNavSettings(nullptr),
     bActiveDrawSh(false),
     bActiveDrawTextSh(false),
     bActivePivotSh(false),
@@ -1669,11 +1669,11 @@ ScTabViewShell::ScTabViewShell( SfxViewFrame* pViewFrame,
     bInFormatDialog(false),
     bPrintSelected(false),
     bReadOnly(false),
-    pScSbxObject(NULL),
+    pScSbxObject(nullptr),
     bChartAreaValid(false),
     bForceFocusOnCurCell(false),
     nCurRefDlgId(0),
-    pAccessibilityBroadcaster(NULL),
+    pAccessibilityBroadcaster(nullptr),
     mbInSwitch(false)
 {
     const ScAppOptions& rAppOpt = SC_MOD()->GetAppOptions();
@@ -1729,7 +1729,7 @@ ScTabViewShell::~ScTabViewShell()
     SC_MOD()->ViewShellGone(this);
 
     RemoveSubShell();           // all
-    SetWindow(0);
+    SetWindow(nullptr);
 
     // all to NULL, in case the TabView-dtor tries to access them
     //! (should not really! ??!?!)
@@ -1766,7 +1766,7 @@ void ScTabViewShell::SetDialogDPObject( const ScDPObject* pObj )
     if (pObj)
         pDialogDPObject = new ScDPObject( *pObj );
     else
-        pDialogDPObject = NULL;
+        pDialogDPObject = nullptr;
 }
 
 void ScTabViewShell::FillFieldData( ScHeaderFieldData& rData )
diff --git a/sc/source/ui/view/tabvwsh8.cxx b/sc/source/ui/view/tabvwsh8.cxx
index 7485f116f513..2f61df7ecf9e 100644
--- a/sc/source/ui/view/tabvwsh8.cxx
+++ b/sc/source/ui/view/tabvwsh8.cxx
@@ -35,7 +35,7 @@ void ScTabViewShell::SetDefaultFrameLine( const ::editeng::SvxBorderLine* pLine
     else if ( pCurFrameLine )
     {
         delete pCurFrameLine;
-        pCurFrameLine = NULL;
+        pCurFrameLine = nullptr;
     }
 }
 
diff --git a/sc/source/ui/view/tabvwsh9.cxx b/sc/source/ui/view/tabvwsh9.cxx
index d8bbc2f34b45..f0711a953bdc 100644
--- a/sc/source/ui/view/tabvwsh9.cxx
+++ b/sc/source/ui/view/tabvwsh9.cxx
@@ -122,7 +122,7 @@ void ScTabViewShell::ExecImageMap( SfxRequest& rReq )
         case SID_IMAP_EXEC:
         {
             SdrView* pDrView = GetSdrView();
-            SdrMark* pMark = pDrView ? pDrView->GetMarkedObjectList().GetMark(0) : 0;
+            SdrMark* pMark = pDrView ? pDrView->GetMarkedObjectList().GetMark(0) : nullptr;
 
             if ( pMark )
             {
diff --git a/sc/source/ui/view/tabvwsha.cxx b/sc/source/ui/view/tabvwsha.cxx
index f6ac626e1679..9c451be934ee 100644
--- a/sc/source/ui/view/tabvwsha.cxx
+++ b/sc/source/ui/view/tabvwsha.cxx
@@ -223,7 +223,7 @@ void ScTabViewShell::GetState( SfxItemSet& rSet )
             case SID_CURRENTCELL:
                 {
                     ScAddress aScAddress( GetViewData().GetCurX(), GetViewData().GetCurY(), 0 );
-                    OUString  aAddr(aScAddress.Format(SCA_ABS, NULL, pDoc->GetAddressConvention()));
+                    OUString  aAddr(aScAddress.Format(SCA_ABS, nullptr, pDoc->GetAddressConvention()));
                     SfxStringItem   aPosItem( SID_CURRENTCELL, aAddr );
 
                     rSet.Put( aPosItem );
@@ -371,7 +371,7 @@ void ScTabViewShell::GetState( SfxItemSet& rSet )
 
             case SID_AUTO_OUTLINE:
                 {
-                    if (pDoc->GetChangeTrack()!=NULL || GetViewData().IsMultiMarked())
+                    if (pDoc->GetChangeTrack()!=nullptr || GetViewData().IsMultiMarked())
                     {
                         rSet.DisableItem( nWhich );
                     }
@@ -382,7 +382,7 @@ void ScTabViewShell::GetState( SfxItemSet& rSet )
                 {
                     SCTAB nOlTab = GetViewData().GetTabNo();
                     ScOutlineTable* pOlTable = pDoc->GetOutlineTable( nOlTab );
-                    if (pOlTable == NULL)
+                    if (pOlTable == nullptr)
                         rSet.DisableItem( nWhich );
                 }
                 break;
@@ -401,7 +401,7 @@ void ScTabViewShell::GetState( SfxItemSet& rSet )
 
             case FID_CHG_SHOW:
                 {
-                    if ( pDoc->GetChangeTrack() == NULL || ( pDocShell && pDocShell->IsDocShared() ) )
+                    if ( pDoc->GetChangeTrack() == nullptr || ( pDocShell && pDocShell->IsDocShared() ) )
                         rSet.DisableItem( nWhich );
                 }
                 break;
@@ -409,7 +409,7 @@ void ScTabViewShell::GetState( SfxItemSet& rSet )
                 {
                     rSet.Put(SfxBoolItem(FID_CHG_ACCEPT,
                             pThisFrame->HasChildWindow(FID_CHG_ACCEPT)));
-                    if(pDoc->GetChangeTrack()==NULL)
+                    if(pDoc->GetChangeTrack()==nullptr)
                     {
                         if ( !pThisFrame->HasChildWindow(FID_CHG_ACCEPT) )
                         {
@@ -528,7 +528,7 @@ void ScTabViewShell::ExecuteCellFormatDlg(SfxRequest& rReq, const OString &rName
     {
         const SfxItemSet* pOutSet = pDlg->GetOutputItemSet();
 
-        const SfxPoolItem* pItem=NULL;
+        const SfxPoolItem* pItem=nullptr;
         if(pOutSet->GetItemState(SID_ATTR_NUMBERFORMAT_INFO,true,&pItem)==SfxItemState::SET)
         {
 
@@ -602,7 +602,7 @@ void ScTabViewShell::UpdateInputHandler( bool bForce /* = sal_False */, bool bSt
     if ( pHdl )
     {
         OUString                aString;
-        const EditTextObject*   pObject     = NULL;
+        const EditTextObject*   pObject     = nullptr;
         ScViewData&             rViewData   = GetViewData();
         ScDocument*             pDoc        = rViewData.GetDocument();
         CellType                eType;
@@ -675,7 +675,7 @@ void ScTabViewShell::UpdateInputHandler( bool bForce /* = sal_False */, bool bSt
 
         //  if using the view's local input handler, this view can always be set
         //  as current view inside NotifyChange.
-        ScTabViewShell* pSourceSh = pInputHandler ? this : NULL;
+        ScTabViewShell* pSourceSh = pInputHandler ? this : nullptr;
 
         pHdl->NotifyChange( &aState, bForce, pSourceSh, bStopEditing );
     }
@@ -719,7 +719,7 @@ void ScTabViewShell::GetSaveState( SfxItemSet& rSet )
         if ( nWhich != SID_SAVEDOC || !GetViewData().GetDocShell()->IsDocShared() )
         {
             // get state from DocShell
-            pDocSh->GetSlotState( nWhich, NULL, &rSet );
+            pDocSh->GetSlotState( nWhich, nullptr, &rSet );
         }
         nWhich = aIter.NextWhich();
     }
diff --git a/sc/source/ui/view/tabvwshb.cxx b/sc/source/ui/view/tabvwshb.cxx
index fdeeda14016e..223e6062cd6a 100644
--- a/sc/source/ui/view/tabvwshb.cxx
+++ b/sc/source/ui/view/tabvwshb.cxx
@@ -96,7 +96,7 @@ void ScTabViewShell::ConnectObject( SdrOle2Obj* pObj )
         aRect.SetSize( aOleSize );
         pClient->SetObjArea( aRect );
 
-        static_cast<ScClient*>(pClient)->SetGrafEdit( NULL );
+        static_cast<ScClient*>(pClient)->SetGrafEdit( nullptr );
     }
 }
 
@@ -164,7 +164,7 @@ bool ScTabViewShell::ActivateObject( SdrOle2Obj* pObj, long nVerb )
             aRect.SetSize( aOleSize );
             pClient->SetObjArea( aRect );
 
-            static_cast<ScClient*>(pClient)->SetGrafEdit( NULL );
+            static_cast<ScClient*>(pClient)->SetGrafEdit( nullptr );
 
             nErr = pClient->DoVerb( nVerb );
             bErrorShown = true;
@@ -221,7 +221,7 @@ ErrCode ScTabViewShell::DoVerb(long nVerb)
     if (!pView)
         return ERRCODE_SO_NOTIMPL;          // should not be
 
-    SdrOle2Obj* pOle2Obj = NULL;
+    SdrOle2Obj* pOle2Obj = nullptr;
     ErrCode nErr = ERRCODE_NONE;
 
     const SdrMarkList& rMarkList = pView->GetMarkedObjectList();
@@ -383,7 +383,7 @@ void ScTabViewShell::ExecDrawIns(SfxRequest& rReq)
                     //! merge with ScViewFunc::PasteDataFormat (SotClipboardFormatId::SBA_FIELDDATAEXCHANGE)?
 
                     ScDrawView* pDrView = GetScDrawView();
-                    SdrPageView* pPageView = pDrView ? pDrView->GetSdrPageView() : NULL;
+                    SdrPageView* pPageView = pDrView ? pDrView->GetSdrPageView() : nullptr;
                     if(pPageView)
                     {
                         svx::ODataAccessDescriptor aDescriptor(pDescriptorItem->GetValue());
@@ -576,7 +576,7 @@ void ScTabViewShell::GetUndoState(SfxItemSet &rSet)
                 break;
             default:
                 // get state from sfx view frame
-                GetViewFrame()->GetSlotState( nWhich, NULL, &rSet );
+                GetViewFrame()->GetSlotState( nWhich, nullptr, &rSet );
         }
 
         nWhich = aIter.NextWhich();
diff --git a/sc/source/ui/view/tabvwshc.cxx b/sc/source/ui/view/tabvwshc.cxx
index 67a73b90b428..bfe6d8e72164 100644
--- a/sc/source/ui/view/tabvwshc.cxx
+++ b/sc/source/ui/view/tabvwshc.cxx
@@ -123,7 +123,7 @@ VclPtr<SfxModelessDialog> ScTabViewShell::CreateRefDialog(
     // so that it does not re appear for instance after a crash (#42341#).
 
     if ( SC_MOD()->GetCurRefDlgId() != nSlotId )
-        return NULL;
+        return nullptr;
 
     if ( nCurRefDlgId != nSlotId )
     {
@@ -131,7 +131,7 @@ VclPtr<SfxModelessDialog> ScTabViewShell::CreateRefDialog(
         //  -> lock the dispatcher for this view (modal mode)
 
         GetViewData().GetDispatcher().Lock( true );    // lock is reset when closing dialog
-        return NULL;
+        return nullptr;
     }
 
     VclPtr<SfxModelessDialog> pResult;
@@ -477,11 +477,11 @@ VclPtr<SfxModelessDialog> ScTabViewShell::CreateRefDialog(
             condformat::dialog::ScCondFormatDialogType aDialogType;
 
             // Get the pool item stored it by Conditional Format Manager Dialog.
-            const SfxPoolItem* pItem = NULL;
+            const SfxPoolItem* pItem = nullptr;
             sal_uInt32 nItems(GetPool().GetItemCount2( SCITEM_STRING ));
             for( sal_uInt32 nIter = 0; nIter < nItems; ++nIter )
             {
-                if( NULL != (pItem = GetPool().GetItem2( SCITEM_STRING, nIter ) ) )
+                if( nullptr != (pItem = GetPool().GetItem2( SCITEM_STRING, nIter ) ) )
                 {
                     if ( ScCondFormatDlg::ParseXmlString(
                             static_cast<const SfxStringItem*>(pItem)->GetValue(),
diff --git a/sc/source/ui/view/tabvwshe.cxx b/sc/source/ui/view/tabvwshe.cxx
index f8b8d5cd6d98..f2528e7fa02a 100644
--- a/sc/source/ui/view/tabvwshe.cxx
+++ b/sc/source/ui/view/tabvwshe.cxx
@@ -182,7 +182,7 @@ void ScTabViewShell::InsertURLField( const OUString& rName, const OUString& rURL
         }
 
         // single url in cell is shown in the dialog and replaced
-        bSelectFirst = HasBookmarkAtCursor( NULL );
+        bSelectFirst = HasBookmarkAtCursor( nullptr );
         pScMod->SetInputMode( SC_INPUT_TABLE );
     }
 
diff --git a/sc/source/ui/view/tabvwshf.cxx b/sc/source/ui/view/tabvwshf.cxx
index 132789c6d05f..cc64215a8696 100644
--- a/sc/source/ui/view/tabvwshf.cxx
+++ b/sc/source/ui/view/tabvwshf.cxx
@@ -76,7 +76,7 @@ void ScTabViewShell::ExecuteTable( SfxRequest& rReq )
                 pDoc->GetName( nCurrentTab, aName );
 
                 bool bVisible=true;
-                if( pReqArgs != NULL )
+                if( pReqArgs != nullptr )
                 {
                     const SfxPoolItem* pItem;
                     if( pReqArgs->HasItem( FID_TABLE_VISIBLE, &pItem ) )
@@ -173,7 +173,7 @@ void ScTabViewShell::ExecuteTable( SfxRequest& rReq )
                 if ( !pDoc->IsDocEditable() )
                     break;                          // locked
 
-                if ( pReqArgs != NULL )             // from basic
+                if ( pReqArgs != nullptr )             // from basic
                 {
                     bool bOk = false;
                     const SfxPoolItem*  pTabItem;
@@ -318,7 +318,7 @@ void ScTabViewShell::ExecuteTable( SfxRequest& rReq )
                         ( pDoc->IsTabProtected( nTabNr ) || nTabSelCount > 1 ) )
                     break; // no rename
 
-                if( pReqArgs != NULL )
+                if( pReqArgs != nullptr )
                 {
                     bool        bDone   = false;
                     const SfxPoolItem* pItem;
@@ -352,7 +352,7 @@ void ScTabViewShell::ExecuteTable( SfxRequest& rReq )
                     OUString      aErrMsg ( ScGlobal::GetRscString( STR_INVALIDTABNAME ) );
                     OUString aName;
                     OUString      aDlgTitle;
-                    const sal_Char* pHelpId = 0;
+                    const sal_Char* pHelpId = nullptr;
 
                     switch ( nSlot )
                     {
@@ -425,7 +425,7 @@ void ScTabViewShell::ExecuteTable( SfxRequest& rReq )
 
         case FID_TAB_MOVE:
             {
-                if ( pDoc->GetChangeTrack() != NULL )
+                if ( pDoc->GetChangeTrack() != nullptr )
                     break;    // if ChangeTracking is active, then no TabMove
 
                 bool   bDoIt = false;
@@ -435,7 +435,7 @@ void ScTabViewShell::ExecuteTable( SfxRequest& rReq )
                 OUString aDocName;
                 OUString aTabName;
 
-                if( pReqArgs != NULL )
+                if( pReqArgs != nullptr )
                 {
                     SCTAB nTableCount = pDoc->GetTableCount();
                     const SfxPoolItem* pItem;
@@ -455,7 +455,7 @@ void ScTabViewShell::ExecuteTable( SfxRequest& rReq )
                     if (!aDocName.isEmpty())
                     {
                         SfxObjectShell* pSh     = SfxObjectShell::GetFirst();
-                        ScDocShell*     pScSh   = NULL;
+                        ScDocShell*     pScSh   = nullptr;
                         sal_uInt16          i=0;
 
                         while ( pSh )
@@ -651,7 +651,7 @@ void ScTabViewShell::ExecuteTable( SfxRequest& rReq )
                 if ( pDoc->IsTabProtected( nTabNr ) ) // ||nTabSelCount > 1
                     break;
 
-                if( pReqArgs != NULL )
+                if( pReqArgs != nullptr )
                 {
                     bool                bDone = false;
                     const SfxPoolItem*  pItem;
@@ -849,7 +849,7 @@ void ScTabViewShell::GetStateTable( SfxItemSet& rSet )
 
             case FID_TAB_MOVE:
                 if (   !pDoc->IsDocEditable()
-                    || pDoc->GetChangeTrack() != NULL
+                    || pDoc->GetChangeTrack() != nullptr
                     || nTabCount > MAXTAB)
                     rSet.DisableItem( nWhich );
                 break;
diff --git a/sc/source/ui/view/tabvwshh.cxx b/sc/source/ui/view/tabvwshh.cxx
index a2ca96ec6883..6aa43f3c2ebd 100644
--- a/sc/source/ui/view/tabvwshh.cxx
+++ b/sc/source/ui/view/tabvwshh.cxx
@@ -254,7 +254,7 @@ void ScTabViewShell::BroadcastAccessibility( const SfxHint &rHint )
 
 bool ScTabViewShell::HasAccessibilityObjects()
 {
-    return pAccessibilityBroadcaster != NULL;
+    return pAccessibilityBroadcaster != nullptr;
 }
 
 bool ScTabViewShell::ExecuteRetypePassDlg(ScPasswordHash eDesiredHash)
diff --git a/sc/source/ui/view/viewdata.cxx b/sc/source/ui/view/viewdata.cxx
index a899178b50d5..6df608ecd656 100644
--- a/sc/source/ui/view/viewdata.cxx
+++ b/sc/source/ui/view/viewdata.cxx
@@ -295,11 +295,11 @@ void ScViewDataTable::ReadUserDataSequence(const uno::Sequence <beans::PropertyV
 ScViewData::ScViewData( ScDocShell* pDocSh, ScTabViewShell* pViewSh ) :
         mpMarkData(new ScMarkData),
         pDocShell   ( pDocSh ),
-        pDoc        ( NULL ),
+        pDoc        ( nullptr ),
         pView       ( pViewSh ),
         pViewShell  ( pViewSh ),
         pOptions    ( new ScViewOptions ),
-        pSpellingView ( NULL ),
+        pSpellingView ( nullptr ),
         aLogicMode  ( MAP_100TH_MM ),
         eDefZoomType( SvxZoomType::PERCENT ),
         aDefZoomX   ( 1,1 ),
@@ -344,7 +344,7 @@ ScViewData::ScViewData( ScDocShell* pDocSh, ScTabViewShell* pViewSh ) :
     pThisTab = maTabData[nTabNo];
     for (sal_uInt16 j=0; j<4; j++)
     {
-        pEditView[j] = NULL;
+        pEditView[j] = nullptr;
         bEditActive[j] = false;
     }
 
@@ -364,7 +364,7 @@ ScViewData::ScViewData( ScDocShell* pDocSh, ScTabViewShell* pViewSh ) :
         while ( !pDoc->IsVisible(nTabNo) && pDoc->HasTable(nTabNo+1) )
         {
             ++nTabNo;
-            maTabData.push_back(NULL);
+            maTabData.push_back(nullptr);
         }
         maTabData[nTabNo] = new ScViewDataTable() ;
         pThisTab = maTabData[nTabNo];
@@ -430,7 +430,7 @@ ScViewData::ScViewData( const ScViewData& rViewData ) :
     pThisTab = maTabData[nTabNo];
     for (sal_uInt16 j=0; j<4; j++)
     {
-        pEditView[j] = NULL;
+        pEditView[j] = nullptr;
         bEditActive[j] = false;
     }
 
@@ -454,7 +454,7 @@ ScDocument* ScViewData::GetDocument() const
         return &pDocShell->GetDocument();
 
     OSL_FAIL("no document on ViewData");
-    return NULL;
+    return nullptr;
 }
 
 ScViewData::~ScViewData()
@@ -480,7 +480,7 @@ void ScViewData::UpdateCurrentTab()
 void ScViewData::InsertTab( SCTAB nTab )
 {
     if( nTab >= static_cast<SCTAB>(maTabData.size()))
-        maTabData.resize(nTab+1, NULL);
+        maTabData.resize(nTab+1, nullptr);
     else
         maTabData.insert( maTabData.begin() + nTab, nullptr );
     CreateTabData( nTab );
@@ -492,10 +492,10 @@ void ScViewData::InsertTab( SCTAB nTab )
 void ScViewData::InsertTabs( SCTAB nTab, SCTAB nNewSheets )
 {
     if( nTab+nNewSheets >= static_cast<SCTAB>(maTabData.size()))
-        maTabData.resize(nTab+nNewSheets, NULL);
+        maTabData.resize(nTab+nNewSheets, nullptr);
     else
     {
-        maTabData.insert( maTabData.begin() + nTab, nNewSheets, NULL );
+        maTabData.insert( maTabData.begin() + nTab, nNewSheets, nullptr );
     }
     for (SCTAB i = nTab; i < nTab + nNewSheets; ++i)
     {
@@ -555,7 +555,7 @@ void ScViewData::MoveTab( SCTAB nSrcTab, SCTAB nDestTab )
 {
     if (nDestTab==SC_TAB_APPEND)
         nDestTab = pDoc->GetTableCount() - 1;
-    ScViewDataTable* pTab = NULL;
+    ScViewDataTable* pTab = nullptr;
     if (nSrcTab < static_cast<SCTAB>(maTabData.size()))
     {
         pTab = maTabData[nSrcTab];
@@ -1383,7 +1383,7 @@ void ScViewData::EditGrowY( bool bInitial )
 
 void ScViewData::ResetEditView()
 {
-    EditEngine* pEngine = NULL;
+    EditEngine* pEngine = nullptr;
     for (sal_uInt16 i=0; i<4; i++)
         if (pEditView[i])
         {
@@ -1408,7 +1408,7 @@ void ScViewData::KillEditView()
             if (bEditActive[i])
                 pEditView[i]->GetEditEngine()->RemoveView(pEditView[i]);
             delete pEditView[i];
-            pEditView[i] = NULL;
+            pEditView[i] = nullptr;
         }
 }
 
@@ -1447,7 +1447,7 @@ void ScViewData::EnsureTabDataSize(size_t nSize)
     if (nSize >= maTabData.size())
     {
         size_t n = nSize - maTabData.size() + 1;
-        maTabData.insert(maTabData.end(), n, NULL);
+        maTabData.insert(maTabData.end(), n, nullptr);
     }
 }
 
@@ -1725,7 +1725,7 @@ bool ScViewData::GetMergeSizePixel( SCCOL nX, SCROW nY, long& rSizeXPix, long& r
         for (SCROW nRow = nY; nRow <= nY+nCountY-1; ++nRow)
         {
             SCROW nLastRow = nRow;
-            if (pDoc->RowHidden(nRow, nTabNo, NULL, &nLastRow))
+            if (pDoc->RowHidden(nRow, nTabNo, nullptr, &nLastRow))
             {
                 nRow = nLastRow;
                 continue;
@@ -1923,7 +1923,7 @@ void ScViewData::SetPosY( ScVSplitPos eWhich, SCROW nNewPosY )
         if ( nNewPosY > nOldPosY )
             for ( i=nOldPosY; i<nNewPosY; i++ )
             {
-                long nThis = pDoc->GetRowHeight( i, nTabNo, NULL, &nHeightEndRow );
+                long nThis = pDoc->GetRowHeight( i, nTabNo, nullptr, &nHeightEndRow );
                 SCROW nRows = std::min( nNewPosY, nHeightEndRow + 1) - i;
                 i = nHeightEndRow;
                 nTPosY -= nThis * nRows;
@@ -1932,7 +1932,7 @@ void ScViewData::SetPosY( ScVSplitPos eWhich, SCROW nNewPosY )
         else
             for ( i=nNewPosY; i<nOldPosY; i++ )
             {
-                long nThis = pDoc->GetRowHeight( i, nTabNo, NULL, &nHeightEndRow );
+                long nThis = pDoc->GetRowHeight( i, nTabNo, nullptr, &nHeightEndRow );
                 SCROW nRows = std::min( nOldPosY, nHeightEndRow + 1) - i;
                 i = nHeightEndRow;
                 nTPosY += nThis * nRows;
@@ -3073,7 +3073,7 @@ void ScViewData::AddPixelsWhile( long & rScrY, long nEndPixels, SCROW & rPosY,
     while (rScrY <= nEndPixels && nRow <= nEndRow)
     {
         SCROW nHeightEndRow;
-        sal_uInt16 nHeight = pDoc->GetRowHeight( nRow, nTabNo, NULL, &nHeightEndRow);
+        sal_uInt16 nHeight = pDoc->GetRowHeight( nRow, nTabNo, nullptr, &nHeightEndRow);
         if (nHeightEndRow > nEndRow)
             nHeightEndRow = nEndRow;
         if (!nHeight)
@@ -3112,7 +3112,7 @@ void ScViewData::AddPixelsWhileBackward( long & rScrY, long nEndPixels,
     while (rScrY <= nEndPixels && nRow >= nStartRow)
     {
         SCROW nHeightStartRow;
-        sal_uInt16 nHeight = pDoc->GetRowHeight( nRow, nTabNo, &nHeightStartRow, NULL);
+        sal_uInt16 nHeight = pDoc->GetRowHeight( nRow, nTabNo, &nHeightStartRow, nullptr);
         if (nHeightStartRow < nStartRow)
             nHeightStartRow = nStartRow;
         if (!nHeight)
diff --git a/sc/source/ui/view/viewfun2.cxx b/sc/source/ui/view/viewfun2.cxx
index 24dd690c9b41..843d4ce71c5e 100644
--- a/sc/source/ui/view/viewfun2.cxx
+++ b/sc/source/ui/view/viewfun2.cxx
@@ -483,7 +483,7 @@ bool ScViewFunc::GetAutoSumArea( ScRangeList& rRangeList )
 void ScViewFunc::EnterAutoSum(const ScRangeList& rRangeList, bool bSubTotal, const ScAddress& rAddr)
 {
     OUString aFormula = GetAutoSumFormula( rRangeList, bSubTotal, rAddr );
-    EnterBlock( aFormula, NULL );
+    EnterBlock( aFormula, nullptr );
 }
 
 bool ScViewFunc::AutoSum( const ScRange& rRange, bool bSubTotal, bool bSetCursor, bool bContinue )
@@ -764,7 +764,7 @@ void ScViewFunc::EnterBlock( const OUString& rString, const EditTextObject* pDat
         if (!aTester.NeedsObject())
         {
             aNewStr = aEngine.GetText();
-            pData = NULL;
+            pData = nullptr;
         }
     }
 
@@ -956,7 +956,7 @@ void ScViewFunc::SetPrintRanges( bool bEntireSheet, const OUString* pPrint,
         if ( pRepCol )
         {
             if ( pRepCol->isEmpty() )
-                rDoc.SetRepeatColRange( nTab, NULL );
+                rDoc.SetRepeatColRange( nTab, nullptr );
             else
                 if ( aRange.ParseAny( *pRepCol, &rDoc, aDetails ) & SCA_VALID )
                     rDoc.SetRepeatColRange( nTab, &aRange );
@@ -967,7 +967,7 @@ void ScViewFunc::SetPrintRanges( bool bEntireSheet, const OUString* pPrint,
         if ( pRepRow )
         {
             if ( pRepRow->isEmpty() )
-                rDoc.SetRepeatRowRange( nTab, NULL );
+                rDoc.SetRepeatRowRange( nTab, nullptr );
             else
                 if ( aRange.ParseAny( *pRepRow, &rDoc, aDetails ) & SCA_VALID )
                     rDoc.SetRepeatRowRange( nTab, &aRange );
@@ -1445,7 +1445,7 @@ void ScViewFunc::FillTab( InsertDeleteFlags nFlags, ScPasteFunc nFunction, bool
     else
         aMarkRange = ScRange( GetViewData().GetCurX(), GetViewData().GetCurY(), nTab );
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
 
     if (bUndo)
     {
@@ -1593,7 +1593,7 @@ void ScViewFunc::TransliterateText( sal_Int32 nType )
 
 ScAutoFormatData* ScViewFunc::CreateAutoFormatData()
 {
-    ScAutoFormatData* pData = NULL;
+    ScAutoFormatData* pData = nullptr;
     SCCOL nStartCol;
     SCROW nStartRow;
     SCTAB nStartTab;
@@ -1933,7 +1933,7 @@ void ScViewFunc::Solve( const ScSolveParam& rParam )
         }
 
         OUString  aTargetValStr;
-        if ( rParam.pStrTargetVal != NULL )
+        if ( rParam.pStrTargetVal != nullptr )
             aTargetValStr = *(rParam.pStrTargetVal);
 
         OUString  aMsgStr;
@@ -2219,8 +2219,8 @@ bool ScViewFunc::DeleteTables(const vector<SCTAB> &TheTabs, bool bRecord )
         --nNewTab;
 
     bool bWasLinked = false;
-    ScDocument* pUndoDoc = NULL;
-    ScRefUndoData* pUndoData = NULL;
+    ScDocument* pUndoDoc = nullptr;
+    ScRefUndoData* pUndoData = nullptr;
     if (bRecord)
     {
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -2538,9 +2538,9 @@ void ScViewFunc::MoveTable(
 {
     ScDocument* pDoc       = GetViewData().GetDocument();
     ScDocShell* pDocShell  = GetViewData().GetDocShell();
-    ScDocument* pDestDoc   = NULL;
-    ScDocShell* pDestShell = NULL;
-    ScTabViewShell* pDestViewSh = NULL;
+    ScDocument* pDestDoc   = nullptr;
+    ScDocShell* pDestShell = nullptr;
+    ScTabViewShell* pDestViewSh = nullptr;
     bool bUndo (pDoc->IsUndoEnabled());
     bool bRename = pNewTabName && !pNewTabName->isEmpty();
 
@@ -3033,7 +3033,7 @@ void ScViewFunc::UpdateLineAttrs( SvxBorderLine&       rLine,
             aBoxItem.SetLine( &aLine, BOXLINE );                    \
         }                                                           \
         else                                                        \
-            aBoxItem.SetLine( NULL, BOXLINE );                      \
+            aBoxItem.SetLine( nullptr, BOXLINE );                      \
     }
 
 void ScViewFunc::SetSelectionFrameLines( const SvxBorderLine* pLine,
@@ -3054,13 +3054,13 @@ void ScViewFunc::SetSelectionFrameLines( const SvxBorderLine* pLine,
     const ScPatternAttr*    pSelAttrs = GetSelectionPattern();
     const SfxItemSet&       rSelItemSet = pSelAttrs->GetItemSet();
 
-    const SfxPoolItem*      pBorderAttr = NULL;
+    const SfxPoolItem*      pBorderAttr = nullptr;
     SfxItemState            eItemState = rSelItemSet.GetItemState( ATTR_BORDER, true, &pBorderAttr );
 
-    const SfxPoolItem*      pTLBRItem = 0;
+    const SfxPoolItem*      pTLBRItem = nullptr;
     SfxItemState            eTLBRState = rSelItemSet.GetItemState( ATTR_BORDER_TLBR, true, &pTLBRItem );
 
-    const SfxPoolItem*      pBLTRItem = 0;
+    const SfxPoolItem*      pBLTRItem = nullptr;
     SfxItemState            eBLTRState = rSelItemSet.GetItemState( ATTR_BORDER_BLTR, true, &pBLTRItem );
 
     // any of the lines visible?
@@ -3082,7 +3082,7 @@ void ScViewFunc::SetSelectionFrameLines( const SvxBorderLine* pLine,
 
             if( pBorderAttr )
             {
-                const SvxBorderLine*    pBoxLine = NULL;
+                const SvxBorderLine*    pBoxLine = nullptr;
                 SvxBoxItem      aBoxItem( *static_cast<const SvxBoxItem*>(pBorderAttr) );
                 SvxBoxInfoItem  aBoxInfoItem( ATTR_BORDER_INNER );
 
diff --git a/sc/source/ui/view/viewfun3.cxx b/sc/source/ui/view/viewfun3.cxx
index 95ae35f073f7..027f4f86ae40 100644
--- a/sc/source/ui/view/viewfun3.cxx
+++ b/sc/source/ui/view/viewfun3.cxx
@@ -111,7 +111,7 @@ void ScViewFunc::CutToClip( ScDocument* pClipDoc, bool bIncludeObjects )
         ScAddress aOldEnd( aRange.aEnd );       //  combined cells in this range?
         pDoc->ExtendMerge( aRange, true );
 
-        ScDocument* pUndoDoc = NULL;
+        ScDocument* pUndoDoc = nullptr;
         if ( bRecord )
         {
             pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -249,7 +249,7 @@ bool ScViewFunc::CopyToClip( ScDocument* pClipDoc, const ScRangeList& rRanges, b
 
             if ( bSysClip )
             {
-                ScDrawLayer::SetGlobalDrawPersist(NULL);
+                ScDrawLayer::SetGlobalDrawPersist(nullptr);
                 ScGlobal::SetClipDocName( pDoc->GetDocumentShell()->GetTitle( SFX_TITLE_FULLNAME ) );
             }
             pClipDoc->ExtendMerge( aRange, true );
@@ -271,7 +271,7 @@ bool ScViewFunc::CopyToClip( ScDocument* pClipDoc, const ScRangeList& rRanges, b
 
                 }
                 pTransferObj->CopyToClipboard( GetActiveWin() );
-                SC_MOD()->SetClipObject( pTransferObj, NULL );
+                SC_MOD()->SetClipObject( pTransferObj, nullptr );
             }
 
             bDone = true;
@@ -380,7 +380,7 @@ bool ScViewFunc::CopyToClip( ScDocument* pClipDoc, const ScRangeList& rRanges, b
                 }
 
                 pTransferObj->CopyToClipboard( GetActiveWin() );    // system clipboard
-                SC_MOD()->SetClipObject( pTransferObj, NULL );      // internal clipboard
+                SC_MOD()->SetClipObject( pTransferObj, nullptr );      // internal clipboard
             }
 
             bSuccess = true;
@@ -416,7 +416,7 @@ ScTransferObj* ScViewFunc::CopyToTransferable()
             ScClipParam aClipParam(aRange, false);
             pDoc->CopyToClip(aClipParam, pClipDoc, &rMark, false, false, true);
 
-            ScDrawLayer::SetGlobalDrawPersist(NULL);
+            ScDrawLayer::SetGlobalDrawPersist(nullptr);
             pClipDoc->ExtendMerge( aRange, true );
 
             ScDocShell* pDocSh = GetViewData().GetDocShell();
@@ -428,7 +428,7 @@ ScTransferObj* ScViewFunc::CopyToTransferable()
         }
     }
 
-    return NULL;
+    return nullptr;
 }
 
 //      P A S T E
@@ -586,8 +586,8 @@ void ScViewFunc::PasteFromSystem()
 
 void ScViewFunc::PasteFromTransferable( const uno::Reference<datatransfer::XTransferable>& rxTransferable )
 {
-    ScTransferObj *pOwnClip=0;
-    ScDrawTransferObj *pDrawClip=0;
+    ScTransferObj *pOwnClip=nullptr;
+    ScDrawTransferObj *pDrawClip=nullptr;
     uno::Reference<lang::XUnoTunnel> xTunnel( rxTransferable, uno::UNO_QUERY );
     if ( xTunnel.is() )
     {
@@ -726,7 +726,7 @@ bool ScViewFunc::PasteFromSystem( SotClipboardFormatId nFormatId, bool bApi )
 
         bRet = PasteDataFormat( nFormatId, aDataHelper.GetTransferable(),
                                 nPosX, nPosY,
-                                NULL, false, !bApi );       // allow warning dialog
+                                nullptr, false, !bApi );       // allow warning dialog
 
         if ( !bRet && !bApi )
             ErrorMessage(STR_PASTE_ERROR);
@@ -891,7 +891,7 @@ bool ScViewFunc::PasteFromClip( InsertDeleteFlags nFlags, ScDocument* pClipDoc,
     bool bPasteDraw = ( pClipDoc->GetDrawLayer() && ( nFlags & (InsertDeleteFlags::OBJECTS|InsertDeleteFlags::NOTE) ) );
 
     ScDocShellRef aTransShellRef;   // for objects in xTransClip - must remain valid as long as xTransClip
-    ScDocument* pOrigClipDoc = NULL;
+    ScDocument* pOrigClipDoc = nullptr;
     ::std::unique_ptr< ScDocument > xTransClip;
     if ( bTranspose )
     {
@@ -918,7 +918,7 @@ bool ScViewFunc::PasteFromClip( InsertDeleteFlags nFlags, ScDocument* pClipDoc,
         pClipDoc->TransposeClip( xTransClip.get(), nFlags, bAsLink );
         pClipDoc = xTransClip.get();
 
-        ScDrawLayer::SetGlobalDrawPersist(NULL);
+        ScDrawLayer::SetGlobalDrawPersist(nullptr);
     }
 
     SCCOL nStartCol;
@@ -1179,11 +1179,11 @@ bool ScViewFunc::PasteFromClip( InsertDeleteFlags nFlags, ScDocument* pClipDoc,
         if (lcl_SelHasAttrib( pDoc, nStartCol,nStartRow, nUndoEndCol,nUndoEndRow, aFilteredMark, HASATTR_OVERLAPPED ))
         {       // "Cell merge not possible if cells already merged"
             ScDocAttrIterator aIter( pDoc, nStartTab, nStartCol, nStartRow, nUndoEndCol, nUndoEndRow );
-            const ScPatternAttr* pPattern = NULL;
+            const ScPatternAttr* pPattern = nullptr;
             SCCOL nCol = -1;
             SCROW nRow1 = -1;
             SCROW nRow2 = -1;
-            while ( ( pPattern = aIter.GetNext( nCol, nRow1, nRow2 ) ) != NULL )
+            while ( ( pPattern = aIter.GetNext( nCol, nRow1, nRow2 ) ) != nullptr )
             {
                 const ScMergeAttr* pMergeFlag = static_cast<const ScMergeAttr*>( &pPattern->GetItem(ATTR_MERGE) );
                 const ScMergeFlagAttr* pMergeFlagAttr = static_cast<const ScMergeFlagAttr*>( &pPattern->GetItem(ATTR_MERGE_FLAG) );
@@ -1207,9 +1207,9 @@ bool ScViewFunc::PasteFromClip( InsertDeleteFlags nFlags, ScDocument* pClipDoc,
     bool bColInfo = ( nStartRow==0 && nEndRow==MAXROW );
     bool bRowInfo = ( nStartCol==0 && nEndCol==MAXCOL );
 
-    ScDocument* pUndoDoc    = NULL;
-    ScDocument* pRefUndoDoc = NULL;
-    ScRefUndoData* pUndoData = NULL;
+    ScDocument* pUndoDoc    = nullptr;
+    ScDocument* pRefUndoDoc = nullptr;
+    ScRefUndoData* pUndoData = nullptr;
 
     if ( bRecord )
     {
@@ -1273,7 +1273,7 @@ bool ScViewFunc::PasteFromClip( InsertDeleteFlags nFlags, ScDocument* pClipDoc,
         //  copy normally (original range)
         pDoc->CopyFromClip( aUserRange, aFilteredMark, nNoObjFlags,
                 pRefUndoDoc, pClipDoc, true, false, bIncludeFiltered,
-                bSkipEmpty, (bMarkIsFiltered ? &aRangeList : NULL) );
+                bSkipEmpty, (bMarkIsFiltered ? &aRangeList : nullptr) );
 
         // adapt refs manually in case of transpose
         if ( bTranspose && bCutMode && (nFlags & InsertDeleteFlags::CONTENTS) )
@@ -1307,13 +1307,13 @@ bool ScViewFunc::PasteFromClip( InsertDeleteFlags nFlags, ScDocument* pClipDoc,
     AdjustBlockHeight();            // update row heights before pasting objects
 
     ::std::vector< OUString > aExcludedChartNames;
-    SdrPage* pPage = NULL;
+    SdrPage* pPage = nullptr;
 
     if ( nFlags & InsertDeleteFlags::OBJECTS )
     {
         ScDrawView* pScDrawView = GetScDrawView();
-        SdrModel* pModel = ( pScDrawView ? pScDrawView->GetModel() : NULL );
-        pPage = ( pModel ? pModel->GetPage( static_cast< sal_uInt16 >( nStartTab ) ) : NULL );
+        SdrModel* pModel = ( pScDrawView ? pScDrawView->GetModel() : nullptr );
+        pPage = ( pModel ? pModel->GetPage( static_cast< sal_uInt16 >( nStartTab ) ) : nullptr );
         if ( pPage )
         {
             ScChartHelper::GetChartNames( aExcludedChartNames, pPage );
@@ -1342,7 +1342,7 @@ bool ScViewFunc::PasteFromClip( InsertDeleteFlags nFlags, ScDocument* pClipDoc,
 
     if ( bRecord )
     {
-        ScDocument* pRedoDoc    = NULL;
+        ScDocument* pRedoDoc    = nullptr;
         // copy redo data after appearance of the first undo
         // don't create Redo-Doc without RefUndoDoc
 
@@ -1571,7 +1571,7 @@ bool ScViewFunc::PasteMultiRangesFromClip(
         aOptions.eMoveMode  = eMoveMode;
 
         ScUndoPaste* pUndo = new ScUndoPaste(pDocSh,
-            aMarkedRange, aMark, pUndoDoc.release(), NULL, nFlags|nUndoFlags, NULL, false, &aOptions);
+            aMarkedRange, aMark, pUndoDoc.release(), nullptr, nFlags|nUndoFlags, nullptr, false, &aOptions);
 
         if (bInsertCells)
             pUndoMgr->AddUndoAction(new ScUndoWrapper(pUndo), true);
@@ -1689,7 +1689,7 @@ bool ScViewFunc::PasteFromClipToMultiRanges(
     for (size_t i = 0, n = aRanges.size(); i < n; ++i)
     {
         pDoc->CopyFromClip(
-            *aRanges[i], aMark, (nFlags & ~InsertDeleteFlags::OBJECTS), NULL, pClipDoc,
+            *aRanges[i], aMark, (nFlags & ~InsertDeleteFlags::OBJECTS), nullptr, pClipDoc,
             false, false, true, bSkipEmpty);
     }
 
@@ -1707,7 +1707,7 @@ bool ScViewFunc::PasteFromClipToMultiRanges(
         for (size_t i = 0, n = aRanges.size(); i < n; ++i)
         {
             pDoc->CopyFromClip(
-                *aRanges[i], aMark, InsertDeleteFlags::OBJECTS, NULL, pClipDoc,
+                *aRanges[i], aMark, InsertDeleteFlags::OBJECTS, nullptr, pClipDoc,
                 false, false, true, bSkipEmpty);
         }
     }
@@ -1731,7 +1731,7 @@ bool ScViewFunc::PasteFromClipToMultiRanges(
         aOptions.eMoveMode  = eMoveMode;
 
         ScUndoPaste* pUndo = new ScUndoPaste(
-            pDocSh, aRanges, aMark, pUndoDoc.release(), NULL, nFlags|nUndoFlags, NULL, false, &aOptions);
+            pDocSh, aRanges, aMark, pUndoDoc.release(), nullptr, nFlags|nUndoFlags, nullptr, false, &aOptions);
 
         pUndoMgr->AddUndoAction(pUndo);
         pUndoMgr->LeaveListAction();
@@ -1918,9 +1918,9 @@ void ScViewFunc::DataFormPutData( SCROW nCurrentRow ,
     if ( pDoc )
     {
         const bool bRecord( pDoc->IsUndoEnabled());
-        ScDocument* pUndoDoc = NULL;
-        ScDocument* pRedoDoc = NULL;
-        ScRefUndoData* pUndoData = NULL;
+        ScDocument* pUndoDoc = nullptr;
+        ScDocument* pRedoDoc = nullptr;
+        ScRefUndoData* pUndoData = nullptr;
         SCTAB nTab = GetViewData().GetTabNo();
         SCTAB nStartTab = nTab;
         SCTAB nEndTab = nTab;
@@ -1960,7 +1960,7 @@ void ScViewFunc::DataFormPutData( SCROW nCurrentRow ,
                                                                 nStartCol, nCurrentRow, nStartTab,
                                                                 nUndoEndCol, nUndoEndRow, nEndTab, rMark,
                                                                 pUndoDoc, pRedoDoc, nUndoFlags,
-                                                                pUndoData, NULL, NULL, NULL,
+                                                                pUndoData, nullptr, nullptr, nullptr,
                                                                 false );           // FALSE = Redo data not yet copied
         pUndoMgr->AddUndoAction( new ScUndoWrapper( pUndo ), true );
 
diff --git a/sc/source/ui/view/viewfun4.cxx b/sc/source/ui/view/viewfun4.cxx
index 9db01ae474fd..199813fe1d49 100644
--- a/sc/source/ui/view/viewfun4.cxx
+++ b/sc/source/ui/view/viewfun4.cxx
@@ -113,7 +113,7 @@ void ScViewFunc::PasteRTF( SCCOL nStartCol, SCROW nStartRow,
             if (nEndRow > MAXROW)
                 nEndRow = MAXROW;
 
-            ScDocument* pUndoDoc = NULL;
+            ScDocument* pUndoDoc = nullptr;
             if (bRecord)
             {
                 pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -146,7 +146,7 @@ void ScViewFunc::PasteRTF( SCCOL nStartCol, SCROW nStartRow,
                 aDestMark.SetMarkArea( aMarkRange );
                 pDocSh->GetUndoManager()->AddUndoAction(
                     new ScUndoPaste( pDocSh, aMarkRange, aDestMark,
-                                     pUndoDoc, pRedoDoc, InsertDeleteFlags::ALL, NULL));
+                                     pUndoDoc, pRedoDoc, InsertDeleteFlags::ALL, nullptr));
             }
         }
 
@@ -205,7 +205,7 @@ void ScViewFunc::DoRefConversion( bool bRecord )
     ScDocShell* pDocSh = GetViewData().GetDocShell();
     bool bOk = false;
 
-    ScDocument* pUndoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
     if (bRecord)
     {
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -309,7 +309,7 @@ void ScViewFunc::DoThesaurus( bool bRecord )
     ScMarkData& rMark = GetViewData().GetMarkData();
     ScSplitPos eWhich = GetViewData().GetActivePart();
     EESpellState eState;
-    EditView* pEditView = NULL;
+    EditView* pEditView = nullptr;
     std::unique_ptr<ESelection> pEditSel;
     std::unique_ptr<ScEditEngineDefaulter> pThesaurusEngine;
     bool bIsEditMode = GetViewData().HasEditView(eWhich);
@@ -352,7 +352,7 @@ void ScViewFunc::DoThesaurus( bool bRecord )
     pThesaurusEngine->SetRefDevice(GetViewData().GetActiveWin());
     pThesaurusEngine->SetSpeller(xSpeller);
     MakeEditView(pThesaurusEngine.get(), nCol, nRow );
-    const ScPatternAttr* pPattern = NULL;
+    const ScPatternAttr* pPattern = nullptr;
     std::unique_ptr<SfxItemSet> pEditDefaults(
         new SfxItemSet(pThesaurusEngine->GetEmptyItemSet()));
     pPattern = rDoc.GetPattern(nCol, nRow, nTab);
@@ -435,7 +435,7 @@ void ScViewFunc::DoSheetConversion( const ScConversionParam& rConvParam, bool bR
     ScDocument& rDoc = pDocSh->GetDocument();
     ScMarkData& rMark = rViewData.GetMarkData();
     ScSplitPos eWhich = rViewData.GetActivePart();
-    EditView* pEditView = NULL;
+    EditView* pEditView = nullptr;
     bool bIsEditMode = rViewData.HasEditView(eWhich);
     if (bRecord && !rDoc.IsUndoEnabled())
         bRecord = false;
@@ -465,8 +465,8 @@ void ScViewFunc::DoSheetConversion( const ScConversionParam& rConvParam, bool bR
         }
     }
 
-    ScDocument* pUndoDoc = NULL;
-    ScDocument* pRedoDoc = NULL;
+    ScDocument* pUndoDoc = nullptr;
+    ScDocument* pRedoDoc = nullptr;
     if (bRecord)
     {
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -554,7 +554,7 @@ void ScViewFunc::DoSheetConversion( const ScConversionParam& rConvParam, bool bR
 
     // *** final cleanup *** --------------------------------------------------
 
-    rViewData.SetSpellingView( NULL );
+    rViewData.SetSpellingView( nullptr );
     KillEditView(true);
     pEngine.reset();
     pDocSh->PostPaintGridAll();
@@ -575,7 +575,7 @@ bool ScViewFunc::PasteFile( const Point& rPos, const OUString& rFile, bool bLink
     if( ::avmedia::MediaWindow::isMediaURL( aStrURL, ""/*TODO?*/ ) )
     {
         const SfxStringItem aMediaURLItem( SID_INSERT_AVMEDIA, aStrURL );
-        return ( 0 != GetViewData().GetDispatcher().Execute(
+        return ( nullptr != GetViewData().GetDispatcher().Execute(
                                 SID_INSERT_AVMEDIA, SfxCallMode::SYNCHRON,
                                 &aMediaURLItem, 0L ) );
     }
@@ -583,7 +583,7 @@ bool ScViewFunc::PasteFile( const Point& rPos, const OUString& rFile, bool bLink
     if (!bLink)     // for bLink only graphics or URL
     {
         // 1. can I open the file?
-        const SfxFilter* pFlt = NULL;
+        const SfxFilter* pFlt = nullptr;
 
         // search only for its own filters, without selection box (as in ScDocumentLoader)
         SfxFilterMatcher aMatcher( ScDocShell::Factory().GetFilterContainer()->GetName() );
@@ -604,7 +604,7 @@ bool ScViewFunc::PasteFile( const Point& rPos, const OUString& rFile, bool bLink
 
             // Open Asynchronously, because it can also happen from D&D
             // and that is not so good for the MAC...
-            return ( 0 != rDispatcher.Execute( SID_OPENDOC,
+            return ( nullptr != rDispatcher.Execute( SID_OPENDOC,
                                     SfxCallMode::ASYNCHRON, &aFileNameItem, &aFilterItem, &aTargetItem, 0L) );
         }
     }
@@ -722,7 +722,7 @@ void ScViewFunc::InsertBookmark( const OUString& rDescription, const OUString& r
     sal_Int32 nTxtLen = aEngine.GetTextLen(nPara);
     ESelection aInsSel( nPara, nTxtLen, nPara, nTxtLen );
 
-    if ( bTryReplace && HasBookmarkAtCursor( NULL ) )
+    if ( bTryReplace && HasBookmarkAtCursor( nullptr ) )
     {
         //  if called from hyperlink slot and cell contains only a URL,
         //  replace old URL with new one
diff --git a/sc/source/ui/view/viewfun5.cxx b/sc/source/ui/view/viewfun5.cxx
index 3e0f57302a82..260f4f8efa46 100644
--- a/sc/source/ui/view/viewfun5.cxx
+++ b/sc/source/ui/view/viewfun5.cxx
@@ -307,7 +307,7 @@ bool ScViewFunc::PasteDataFormat( SotClipboardFormatId nFormatId,
                     // make sense to do it for other data types too.
                     ScAbstractDialogFactory* pFact = ScAbstractDialogFactory::Create();
                     std::unique_ptr<AbstractScTextImportOptionsDlg> pDlg(
-                        pFact->CreateScTextImportOptionsDlg(NULL));
+                        pFact->CreateScTextImportOptionsDlg(nullptr));
 
                     if (pDlg->Execute() == RET_OK)
                     {
@@ -336,7 +336,7 @@ bool ScViewFunc::PasteDataFormat( SotClipboardFormatId nFormatId,
                     ScAbstractDialogFactory* pFact =
                         ScAbstractDialogFactory::Create();
                     std::unique_ptr<AbstractScImportAsciiDlg> pDlg(
-                        pFact->CreateScImportAsciiDlg( NULL, OUString(), &aStrm,
+                        pFact->CreateScImportAsciiDlg( nullptr, OUString(), &aStrm,
                                                        SC_PASTETEXT));
 
                     if (pDlg->Execute() == RET_OK)
@@ -492,7 +492,7 @@ bool ScViewFunc::PasteDataFormat( SotClipboardFormatId nFormatId,
 
             ScDocShellRef aDragShellRef( new ScDocShell );
             aDragShellRef->DoInitNew();
-            std::unique_ptr<FmFormModel> pModel(new FmFormModel( aPath, NULL, aDragShellRef ));
+            std::unique_ptr<FmFormModel> pModel(new FmFormModel( aPath, nullptr, aDragShellRef ));
 
             pModel->GetItemPool().FreezeIdRanges();
             xStm->Seek(0);
@@ -544,7 +544,7 @@ bool ScViewFunc::PasteDataFormat( SotClipboardFormatId nFormatId,
             {
                 ScRange aSource;
                 const ScExtDocOptions* pExtOpt = pInsDoc->GetExtDocOptions();
-                const ScExtTabSettings* pTabSett = pExtOpt ? pExtOpt->GetTabSettings( nSrcTab ) : 0;
+                const ScExtTabSettings* pTabSett = pExtOpt ? pExtOpt->GetTabSettings( nSrcTab ) : nullptr;
                 if( pTabSett && pTabSett->maUsedArea.IsValid() )
                 {
                     aSource = pTabSett->maUsedArea;
@@ -693,7 +693,7 @@ bool ScViewFunc::PasteLink( const uno::Reference<datatransfer::XTransferable>& r
     const OUString* pApp   = &aStrs[0];
     const OUString* pTopic = &aStrs[1];
     const OUString* pItem  = &aStrs[2];
-    const OUString* pExtra = NULL;
+    const OUString* pExtra = nullptr;
     if (aStrs.size() > 3)
         pExtra = &aStrs[3];
 
diff --git a/sc/source/ui/view/viewfun7.cxx b/sc/source/ui/view/viewfun7.cxx
index 79da9e04d826..8cf5de5673a0 100644
--- a/sc/source/ui/view/viewfun7.cxx
+++ b/sc/source/ui/view/viewfun7.cxx
@@ -93,7 +93,7 @@ void ScViewFunc::PasteDraw( const Point& rLogicPos, SdrModel* pModel,
 
     bool bNegativePage = GetViewData().GetDocument()->IsNegativePage( GetViewData().GetTabNo() );
 
-    SdrView* pDragEditView = NULL;
+    SdrView* pDragEditView = nullptr;
     ScModule* pScMod = SC_MOD();
     const ScDragData& rData = pScMod->GetDragData();
     ScDrawTransferObj* pDrawTrans = rData.pDrawTransfer;
@@ -157,7 +157,7 @@ void ScViewFunc::PasteDraw( const Point& rLogicPos, SdrModel* pModel,
 
                 SdrObject* pNeuObj=pObj->Clone();
 
-                if (pNeuObj!=NULL)
+                if (pNeuObj!=nullptr)
                 {
                     pNeuObj->SetModel(pDrawModel);
                     pNeuObj->SetPage(pDestPage);
@@ -182,7 +182,7 @@ void ScViewFunc::PasteDraw( const Point& rLogicPos, SdrModel* pModel,
 
             ScDocument* pDocument = GetViewData().GetDocument();
             ScDocShell* pDocShell = GetViewData().GetDocShell();
-            ScModelObj* pModelObj = ( pDocShell ? ScModelObj::getImplementation( pDocShell->GetModel() ) : NULL );
+            ScModelObj* pModelObj = ( pDocShell ? ScModelObj::getImplementation( pDocShell->GetModel() ) : nullptr );
             if ( pDocument && pDestPage && pModelObj && pDrawTrans )
             {
                 const ScRangeListVector& rProtectedChartRangesVector( pDrawTrans->GetProtectedChartRangesVector() );
@@ -223,7 +223,7 @@ void ScViewFunc::PasteDraw( const Point& rLogicPos, SdrModel* pModel,
         if ( !bSameDocClipboard )
             GetViewData().GetDocument()->SetPastingDrawFromOtherDoc( true );
 
-        pScDrawView->Paste(*pModel, aPos, NULL, nOptions, rSrcShellID, rDestShellID);
+        pScDrawView->Paste(*pModel, aPos, nullptr, nOptions, rSrcShellID, rDestShellID);
 
         if ( !bSameDocClipboard )
             GetViewData().GetDocument()->SetPastingDrawFromOtherDoc( false );
@@ -251,8 +251,8 @@ void ScViewFunc::PasteDraw( const Point& rLogicPos, SdrModel* pModel,
 
         ScDocument* pDocument = GetViewData().GetDocument();
         ScDocShell* pDocShell = GetViewData().GetDocShell();
-        ScModelObj* pModelObj = ( pDocShell ? ScModelObj::getImplementation( pDocShell->GetModel() ) : NULL );
-        ScDrawTransferObj* pTransferObj = ScDrawTransferObj::GetOwnClipboard( NULL );
+        ScModelObj* pModelObj = ( pDocShell ? ScModelObj::getImplementation( pDocShell->GetModel() ) : nullptr );
+        ScDrawTransferObj* pTransferObj = ScDrawTransferObj::GetOwnClipboard( nullptr );
         if ( pDocument && pPage && pModelObj && ( pTransferObj || pDrawTrans ) )
         {
             const ScRangeListVector& rProtectedChartRangesVector(
@@ -390,7 +390,7 @@ bool ScViewFunc::PasteGraphic( const Point& rPos, const Graphic& rGraphic,
     SdrPageView* pPageView = pScDrawView->GetSdrPageView();
     if (pPageView)
     {
-        SdrObject* pPickObj = 0;
+        SdrObject* pPickObj = nullptr;
         if (pScDrawView->PickObj(rPos, pScDrawView->getHitTolLog(), pPickObj, pPageView))
         {
             const OUString aBeginUndo(ScGlobal::GetRscString(STR_UNDO_DRAGDROP));
diff --git a/sc/source/ui/view/viewfunc.cxx b/sc/source/ui/view/viewfunc.cxx
index 2bff93479c03..c5f6f8fda02c 100644
--- a/sc/source/ui/view/viewfunc.cxx
+++ b/sc/source/ui/view/viewfunc.cxx
@@ -662,7 +662,7 @@ void ScViewFunc::EnterData( SCCOL nCol, SCROW nRow, SCTAB nTab,
 
         //      undo
 
-        EditTextObject* pUndoData = NULL;
+        EditTextObject* pUndoData = nullptr;
         ScUndoEnterData::ValuesType aOldValues;
 
         if (bRecord && !bSimple)
@@ -774,7 +774,7 @@ void ScViewFunc::EnterMatrix( const OUString& rString, ::formula::FormulaGrammar
     {
         ScDocShell* pDocSh = rData.GetDocShell();
         bool bSuccess = pDocSh->GetDocFunc().EnterMatrix(
-            aRange, &rMark, NULL, rString, false, false, EMPTY_OUSTRING, eGram );
+            aRange, &rMark, nullptr, rString, false, false, EMPTY_OUSTRING, eGram );
         if (bSuccess)
             pDocSh->UpdateOle(&GetViewData());
     }
@@ -1148,8 +1148,8 @@ void ScViewFunc::ApplySelectionPattern( const ScPatternAttr& rAttr,
         SCROW nEndRow = aMarkRange.aEnd.Row();
         SCTAB nEndTab = aMarkRange.aEnd.Tab();
 
-        ScUndoSelectionAttr* pUndoAttr = NULL;
-        ScEditDataArray* pEditDataArray = NULL;
+        ScUndoSelectionAttr* pUndoAttr = nullptr;
+        ScEditDataArray* pEditDataArray = nullptr;
         if (bRecord)
         {
             ScRange aCopyRange = aMarkRange;
@@ -1188,16 +1188,16 @@ void ScViewFunc::ApplySelectionPattern( const ScPatternAttr& rAttr,
         SCROW nRow = rViewData.GetCurY();
         SCTAB nTab = rViewData.GetTabNo();
 
-        EditTextObject* pOldEditData = NULL;
-        EditTextObject* pNewEditData = NULL;
+        EditTextObject* pOldEditData = nullptr;
+        EditTextObject* pNewEditData = nullptr;
         ScAddress aPos(nCol, nRow, nTab);
         if (rDoc.GetCellType(aPos) == CELLTYPE_EDIT)
         {
             const EditTextObject* pEditObj = rDoc.GetEditText(aPos);
-            pOldEditData = pEditObj ? pEditObj->Clone() : NULL;
+            pOldEditData = pEditObj ? pEditObj->Clone() : nullptr;
             rDoc.RemoveEditTextCharAttribs(aPos, rAttr);
             pEditObj = rDoc.GetEditText(aPos);
-            pNewEditData = pEditObj ? pEditObj->Clone() : NULL;
+            pNewEditData = pEditObj ? pEditObj->Clone() : nullptr;
         }
 
         aChangeRanges.Append(aPos);
@@ -1231,7 +1231,7 @@ void ScViewFunc::ApplySelectionPattern( const ScPatternAttr& rAttr,
         PropertyEntryVector_t aPropVector = rMap.getPropertyEntries();
         for ( sal_uInt16 nWhich = ATTR_PATTERN_START; nWhich <= ATTR_PATTERN_END; ++nWhich )
         {
-            const SfxPoolItem* pItem = 0;
+            const SfxPoolItem* pItem = nullptr;
             if ( rNewSet.GetItemState( nWhich, true, &pItem ) == SfxItemState::SET && pItem )
             {
                 PropertyEntryVector_t::const_iterator aIt = aPropVector.begin();
@@ -1280,7 +1280,7 @@ const SfxStyleSheet* ScViewFunc::GetStyleSheetFromMarked()
     // Don't use UnmarkFiltered in slot state functions, for performance reasons.
     // The displayed state is always that of the whole selection including filtered rows.
 
-    const ScStyleSheet* pSheet      = NULL;
+    const ScStyleSheet* pSheet      = nullptr;
     ScViewData&         rViewData   = GetViewData();
     ScDocument*         pDoc        = rViewData.GetDocument();
     ScMarkData&         rMark       = rViewData.GetMarkData();
@@ -1640,8 +1640,8 @@ void ScViewFunc::DeleteMulti( bool bRows, bool bRecord )
 
     WaitObject aWait( GetFrameWin() );      // important for TrackFormulas in UpdateReference
 
-    ScDocument* pUndoDoc = NULL;
-    ScRefUndoData* pUndoData = NULL;
+    ScDocument* pUndoDoc = nullptr;
+    ScRefUndoData* pUndoData = nullptr;
     if (bRecord)
     {
         pUndoDoc = new ScDocument( SCDOCMODE_UNDO );
@@ -1877,8 +1877,8 @@ void ScViewFunc::SetWidthOrHeight(
         bFormula = rOpts.GetOption( VOPT_FORMULAS );
     }
 
-    ScDocument*     pUndoDoc = NULL;
-    ScOutlineTable* pUndoTab = NULL;
+    ScDocument*     pUndoDoc = nullptr;
+    ScOutlineTable* pUndoTab = nullptr;
     std::vector<sc::ColRowSpan> aUndoRanges;
 
     if ( bRecord )
@@ -1945,7 +1945,7 @@ void ScViewFunc::SetWidthOrHeight(
                         for (SCROW nRow = nStartNo; nRow <= nEndNo; ++nRow)
                         {
                             SCROW nLastRow = nRow;
-                            if (rDoc.RowHidden(nRow, nTab, NULL, &nLastRow))
+                            if (rDoc.RowHidden(nRow, nTab, nullptr, &nLastRow))
                             {
                                 nRow = nLastRow;
                                 continue;
@@ -2671,7 +2671,7 @@ bool ScViewFunc::InsertName( const OUString& rName, const OUString& rSymbol,
 
         if ( pList->insert( pNewEntry ) )
             bOk = true;
-        pNewEntry = NULL;   // never delete, insert took ownership
+        pNewEntry = nullptr;   // never delete, insert took ownership
 
         rDoc.CompileHybridFormula();
 
diff --git a/sc/source/ui/view/viewutil.cxx b/sc/source/ui/view/viewutil.cxx
index aba3a38b5e55..4f71d63bfc8e 100644
--- a/sc/source/ui/view/viewutil.cxx
+++ b/sc/source/ui/view/viewutil.cxx
@@ -256,7 +256,7 @@ void ScViewUtil::UnmarkFiltered( ScMarkData& rMark, ScDocument* pDoc )
         for (SCROW nRow = nStartRow; nRow <= nEndRow; ++nRow)
         {
             SCROW nLastRow = nRow;
-            if (pDoc->RowFiltered(nRow, nTab, NULL, &nLastRow))
+            if (pDoc->RowFiltered(nRow, nTab, nullptr, &nLastRow))
             {
                 // use nStartCol/nEndCol, so the multi mark area isn't extended to all columns
                 // (visible in repaint for indentation)
@@ -368,7 +368,7 @@ bool ScViewUtil::ExecuteCharMap( const SvxFontItem& rOldFont,
 bool ScViewUtil::IsFullScreen( SfxViewShell& rViewShell )
 {
     SfxBindings&    rBindings       = rViewShell.GetViewFrame()->GetBindings();
-    SfxPoolItem*    pItem           = 0;
+    SfxPoolItem*    pItem           = nullptr;
     bool            bIsFullScreen   = false;
 
     if (rBindings.QueryState( SID_WIN_FULLSCREEN, pItem ) >= SfxItemState::DEFAULT)
diff --git a/sc/source/ui/xmlsource/xmlsourcedlg.cxx b/sc/source/ui/xmlsource/xmlsourcedlg.cxx
index f973ef3e2352..57b34dd08f29 100644
--- a/sc/source/ui/xmlsource/xmlsourcedlg.cxx
+++ b/sc/source/ui/xmlsource/xmlsourcedlg.cxx
@@ -70,7 +70,7 @@ ScXMLSourceDlg::ScXMLSourceDlg(
     SfxBindings* pB, SfxChildWindow* pCW, vcl::Window* pParent, ScDocument* pDoc)
     : ScAnyRefDlg(pB, pCW, pParent, "XMLSourceDialog",
         "modules/scalc/ui/xmlsourcedialog.ui")
-    , mpCurRefEntry(NULL)
+    , mpCurRefEntry(nullptr)
     , mpDoc(pDoc)
     , mbDlgLostFocus(false)
 {
@@ -82,7 +82,7 @@ ScXMLSourceDlg::ScXMLSourceDlg(
     mpLbTree->set_width_request(aTreeSize.Width());
     mpLbTree->set_height_request(aTreeSize.Height());
     get(mpRefEdit, "edit");
-    mpRefEdit->SetReferences(this, NULL);
+    mpRefEdit->SetReferences(this, nullptr);
     get(mpRefBtn, "ref");
     mpRefBtn->SetReferences(this, mpRefEdit);
     get(mpBtnCancel, "cancel");
@@ -227,7 +227,7 @@ void ScXMLSourceDlg::LoadSourceFileStructure(const OUString& rPath)
 
 void ScXMLSourceDlg::HandleGetFocus(Control* pCtrl)
 {
-    mpActiveEdit = NULL;
+    mpActiveEdit = nullptr;
     if (pCtrl == mpRefEdit || pCtrl == mpRefBtn)
         mpActiveEdit = mpRefEdit;
 
@@ -263,7 +263,7 @@ public:
 SvTreeListEntry* getReferenceEntry(SvTreeListBox& rTree, SvTreeListEntry* pCurEntry)
 {
     SvTreeListEntry* pParent = rTree.GetParent(pCurEntry);
-    SvTreeListEntry* pRefEntry = NULL;
+    SvTreeListEntry* pRefEntry = nullptr;
     while (pParent)
     {
         ScOrcusXMLTreeParam::EntryData* pUserData = ScOrcusXMLTreeParam::getUserData(*pParent);
author	Stephan Bergmann <sbergman@redhat.com>	2015-11-10 10:22:39 +0100
committer	Stephan Bergmann <sbergman@redhat.com>	2015-11-10 10:31:36 +0100
commit	de29ac09535d814e4be7e1bf0f10beb9f0f847e3 (patch)
tree	139f75d657cb825622e812254b8b7df4e509140b /sc/source/ui
parent	loplugin:nullptr (automatic rewrite) (diff)
download	core-de29ac09535d814e4be7e1bf0f10beb9f0f847e3.tar.gz core-de29ac09535d814e4be7e1bf0f10beb9f0f847e3.zip