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<helpdocument version="1.0">
<meta>
<topic id="textsbasicshared03090103xml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">IIf Function</title>
<filename>/text/sbasic/shared/03090103.xhp</filename>
</topic>
<history>
<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
</history>
</meta>
<body>
<section id="iif">
<bookmark xml-lang="en-US" branch="index" id="bm_id3155420"><bookmark_value>IIf function</bookmark_value>
</bookmark>
<h1 id="hd_id3155420"><link href="text/sbasic/shared/03090103.xhp" name="IIf Function">IIf Function</link></h1>
<paragraph role="paragraph" id="par_id3145610" xml-lang="en-US">Returns one of two possible function results, depending on the logical value of the evaluated expression.</paragraph>
</section>
<embed href="text/sbasic/shared/00000003.xhp#functsyntax"/>
<bascode>
<paragraph role="bascode" id="par_id3147560" xml-lang="en-US">IIf (Expression, ExpressionTrue, ExpressionFalse)</paragraph>
</bascode>
<embed href="text/sbasic/shared/00000003.xhp#functparameters"/>
<paragraph role="paragraph" id="par_id3153381" xml-lang="en-US">
<emph>Expression:</emph> Any expression that you want to evaluate. If the expression evaluates to <emph>True</emph>, the function returns the result of ExpressionTrue, otherwise it returns the result of ExpressionFalse.</paragraph>
<paragraph role="paragraph" id="par_id3150870" xml-lang="en-US">
<emph>ExpressionTrue, ExpressionFalse:</emph> Any expression, one of which will be returned as the function result, depending on the logical evaluation.</paragraph>
<note id="par_id541598638231139">IIf evaluates both <literal>ExpressionTrue</literal> and <literal>ExpressionFalse</literal> even if it returns only one of them. If one of the expressions results in error, the function returns the error. For example, do not use IIF to bypass a possible division by zero result.</note>
<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
<embed href="text/sbasic/shared/00000003.xhp#err5"/>
<embed href="text/sbasic/shared/00000003.xhp#functexample"/>
<bascode>
<paragraph role="bascode" id="par_id1001598638460925" xml-lang="en-US">REM Returns the maximum of 3 values</paragraph>
<paragraph role="bascode" id="par_id11598638500752" xml-lang="en-US" localize="false">Function Max (A As Double, B As Double, C, As Double) As Double</paragraph>
<paragraph role="bascode" id="par_id271598638528057" xml-lang="en-US" localize="false"> Max = IIf( A >= B, A, B)</paragraph>
<paragraph role="bascode" id="par_id281598638539101" xml-lang="en-US" localize="false"> Max = IIf( C >= Max, C, Max)</paragraph>
<paragraph role="bascode" id="par_id521598638553550" xml-lang="en-US" localize="false">End Function</paragraph>
<paragraph role="bascode" id="par_id161598638840133" xml-lang="en-US">REM Bad usage of function IIf</paragraph>
<paragraph role="bascode" id="par_id571598638863628" xml-lang="en-US" localize="false">Function Inverse(A As Double) As Double</paragraph>
<paragraph role="bascode" id="par_id171598638875498" xml-lang="en-US" localize="false"> Inverse = IIf( A = 0, 0, 1/A )</paragraph>
<paragraph role="bascode" id="par_id451598638883642" xml-lang="en-US" localize="false">End Function</paragraph>
</bascode>
<section id="relatedtopics">
<paragraph role="paragraph" id="par_id161588865796615"><link href="text/sbasic/shared/03090101.xhp" name="If...Then...Else statement">If</link> or <link href="text/sbasic/shared/03090102.xhp" name="Select Case statement">Select Case</link> statements</paragraph>
<paragraph role="paragraph" id="par_id281588865818334"><link href="text/sbasic/shared/03090410.xhp" name="Switch function">Switch</link> function</paragraph>
</section>
</body>
</helpdocument>
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