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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
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<meta>
  <topic id="textsbasicshared03090406xml" indexer="include" status="PUBLISH">
    <title id="tit" xml-lang="en-US">Function Statement [Runtime]</title>
    <filename>/text/sbasic/shared/03090406.xhp</filename>
  </topic>
</meta>

<body>


<section id="function">
<bookmark xml-lang="en-US" branch="index" id="bm_id3153346">
  <bookmark_value>Function statement</bookmark_value>
</bookmark>


<paragraph id="hd_id3153346" role="heading" level="1" xml-lang="en-US"><link href="text/sbasic/shared/03090406.xhp" name="Function Statement [Runtime]">Function Statement [Runtime]</link></paragraph>
<paragraph id="par_id3159158" role="paragraph" xml-lang="en-US">Defines a subroutine that can be used as an expression to determine a return type.</paragraph>
</section>

<paragraph id="hd_id3145316" role="heading" level="2" xml-lang="en-US">Syntax</paragraph>
<paragraph id="par_id3148944" role="paragraph" xml-lang="en-US">see Parameter</paragraph>

<paragraph id="hd_id3154760" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph>
<paragraph id="par_id3156344" role="paragraph" xml-lang="en-US">Syntax</paragraph>
<paragraph id="par_id3149457" role="paragraph" xml-lang="en-US">Function Name[(VarName1 [As Type][, VarName2 [As Type][,...]]]) [As Type]</paragraph>
<paragraph id="par_id3153360" role="paragraph" xml-lang="en-US">statement block</paragraph>
<paragraph id="par_id3148797" role="paragraph" xml-lang="en-US">[Exit Function]</paragraph>
<paragraph id="par_id3145419" role="paragraph" xml-lang="en-US">statement block</paragraph>
<paragraph id="par_id3150449" role="paragraph" xml-lang="en-US">End Function</paragraph>
<paragraph id="par_id3156281" role="paragraph" xml-lang="en-US">Parameter</paragraph>
<paragraph id="par_id3153193" role="paragraph" xml-lang="en-US"> <emph>Name:</emph> Name of the subroutine to contain the value returned by the function.</paragraph>
<paragraph id="par_id3147229" role="paragraph" xml-lang="en-US"> <emph>VarName:</emph> Parameter to be passed to the subroutine.</paragraph>
<paragraph id="par_id3147287" role="paragraph" xml-lang="en-US"> <emph>Type:</emph> Type-declaration keyword.</paragraph>

<paragraph id="hd_id3163710" role="heading" level="2" xml-lang="en-US">Example:</paragraph>
<bascode>
<paragraph id="par_idm1340981728" role="bascode" localize="false" xml-lang="en-US">Sub ExampleExit</paragraph>
<paragraph id="par_idm1340980496" role="bascode" localize="false" xml-lang="en-US">Dim sReturn As String</paragraph>
<paragraph id="par_idm1340979264" role="bascode" localize="false" xml-lang="en-US">Dim sListArray(10) As String</paragraph>
<paragraph id="par_idm1340978016" role="bascode" localize="false" xml-lang="en-US">Dim siStep As Single</paragraph>
<paragraph id="par_id3152939" role="bascode" xml-lang="en-US">    For siStep = 0 To 10 ' Fill array with test data</paragraph>
<paragraph id="par_idm1340975040" role="bascode" localize="false" xml-lang="en-US">        sListArray(siStep) = chr$(siStep + 65)</paragraph>
<paragraph id="par_idm1340973776" role="bascode" localize="false" xml-lang="en-US">        MsgBox sListArray(siStep)</paragraph>
<paragraph id="par_idm1340972528" role="bascode" localize="false" xml-lang="en-US">    Next siStep</paragraph>
<paragraph id="par_idm1340971296" role="bascode" localize="false" xml-lang="en-US">    sReturn = LinSearch(sListArray(), "B")</paragraph>
<paragraph id="par_idm1340970032" role="bascode" localize="false" xml-lang="en-US">    Print sReturn</paragraph>
<paragraph id="par_idm1340968800" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
<paragraph id="par_idm1340967568" role="bascode" localize="false" xml-lang="en-US"> </paragraph>
<paragraph id="par_idm1340966320" role="bascode" localize="false" xml-lang="en-US">Function LinSearch( sList(), sItem As String ) As Integer</paragraph>
<paragraph id="par_idm1340965040" role="bascode" localize="false" xml-lang="en-US">Dim iCount As Integer</paragraph>
<paragraph id="par_id3154943" role="bascode" xml-lang="en-US">' Linsearch searches a TextArray:sList() for a TextEntry:</paragraph>
<paragraph id="par_id3155601" role="bascode" xml-lang="en-US">' Return value Is the index of the entry Or 0 (Null)</paragraph>
<paragraph id="par_idm1340960304" role="bascode" localize="false" xml-lang="en-US">    For iCount=1 To Ubound( sList() )</paragraph>
<paragraph id="par_idm1340959056" role="bascode" localize="false" xml-lang="en-US">        If sList( iCount ) = sItem Then</paragraph>
<paragraph id="par_id3153707" role="bascode" xml-lang="en-US">            Exit For ' sItem found</paragraph>
<paragraph id="par_idm1340956080" role="bascode" localize="false" xml-lang="en-US">        End If</paragraph>
<paragraph id="par_idm1340954848" role="bascode" localize="false" xml-lang="en-US">    Next iCount</paragraph>
<paragraph id="par_idm1340953616" role="bascode" localize="false" xml-lang="en-US">    If iCount = Ubound( sList() ) Then iCount = 0</paragraph>
<paragraph id="par_idm1340952352" role="bascode" localize="false" xml-lang="en-US">    LinSearch = iCount</paragraph>
<paragraph id="par_idm1340951120" role="bascode" localize="false" xml-lang="en-US">End Function</paragraph>
</bascode>
</body>

</helpdocument>