1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2cdf0e10cSrcweir 3cdf0e10cSrcweir 4*d33d0967SAndrew Rist<!--*********************************************************** 5cdf0e10cSrcweir * 6*d33d0967SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 7*d33d0967SAndrew Rist * or more contributor license agreements. See the NOTICE file 8*d33d0967SAndrew Rist * distributed with this work for additional information 9*d33d0967SAndrew Rist * regarding copyright ownership. The ASF licenses this file 10*d33d0967SAndrew Rist * to you under the Apache License, Version 2.0 (the 11*d33d0967SAndrew Rist * "License"); you may not use this file except in compliance 12*d33d0967SAndrew Rist * with the License. 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id="function"> 40cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3153346"><bookmark_value>Function statement</bookmark_value> 41cdf0e10cSrcweir</bookmark> 42cdf0e10cSrcweir<paragraph role="heading" id="hd_id3153346" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03090406.xhp" name="Function Statement [Runtime]">Function Statement [Runtime]</link></paragraph> 43cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3159158" xml-lang="en-US" l10n="U" oldref="2">Defines a subroutine that can be used as an expression to determine a return type.</paragraph> 44cdf0e10cSrcweir</section> 45cdf0e10cSrcweir<paragraph role="heading" id="hd_id3145316" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax</paragraph> 46cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148944" xml-lang="en-US" l10n="U" oldref="4">see Parameter</paragraph> 47cdf0e10cSrcweir<paragraph role="heading" id="hd_id3154760" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph> 48cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156344" xml-lang="en-US" l10n="U" oldref="6">Syntax</paragraph> 49cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149457" xml-lang="en-US" l10n="U" oldref="7">Function Name[(VarName1 [As Type][, VarName2 [As Type][,...]]]) [As Type]</paragraph> 50cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153360" xml-lang="en-US" l10n="U" oldref="8">statement block</paragraph> 51cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148797" xml-lang="en-US" l10n="U" oldref="9">[Exit Function]</paragraph> 52cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145419" xml-lang="en-US" l10n="U" oldref="10">statement block</paragraph> 53cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150449" xml-lang="en-US" l10n="U" oldref="11">End Function</paragraph> 54cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156281" xml-lang="en-US" l10n="U" oldref="12">Parameter</paragraph> 55cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153193" xml-lang="en-US" l10n="U" oldref="13"> 56cdf0e10cSrcweir<emph>Name:</emph> Name of the subroutine to contain the value returned by the function.</paragraph> 57cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147229" xml-lang="en-US" l10n="U" oldref="14"> 58cdf0e10cSrcweir<emph>VarName:</emph> Parameter to be passed to the subroutine.</paragraph> 59cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147287" xml-lang="en-US" l10n="U" oldref="15"> 60cdf0e10cSrcweir<emph>Type:</emph> Type-declaration keyword.</paragraph> 61cdf0e10cSrcweir<paragraph role="heading" id="hd_id3163710" xml-lang="en-US" level="2" l10n="U" oldref="16">Example:</paragraph> 62cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147214" xml-lang="en-US" l10n="U" oldref="17">Sub ExampleExit</paragraph> 63cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3152596" xml-lang="en-US" l10n="U" oldref="18">Dim sReturn As String</paragraph> 64cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153364" xml-lang="en-US" l10n="U" oldref="19">Dim sListArray(10) as String</paragraph> 65cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149481" xml-lang="en-US" l10n="U" oldref="20">Dim siStep as Single</paragraph> 66cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3152939" xml-lang="en-US" l10n="U" oldref="21">For siStep = 0 to 10 REM Fill array with test data</paragraph> 67cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147349" xml-lang="en-US" l10n="U" oldref="22">sListArray(siStep) = chr$(siStep + 65)</paragraph> 68cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147426" xml-lang="en-US" l10n="U" oldref="23">msgbox sListArray(siStep)</paragraph> 69cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3152576" xml-lang="en-US" l10n="U" oldref="24">next siStep</paragraph> 70cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3146922" xml-lang="en-US" l10n="U" oldref="25">sReturn = LinSearch(sListArray(), "B")</paragraph> 71cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153140" xml-lang="en-US" l10n="U" oldref="26">Print sReturn</paragraph> 72cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149581" xml-lang="en-US" l10n="U" oldref="27">end sub</paragraph> 73cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154790" xml-lang="en-US" l10n="U" oldref="30">Function LinSearch( sList(), sItem As String ) as integer</paragraph> 74cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150594" xml-lang="en-US" l10n="U" oldref="31">dim iCount as Integer</paragraph> 75cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154943" xml-lang="en-US" l10n="U" oldref="32">REM Linsearch searches a TextArray:sList() for a TextEntry:</paragraph> 76cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155601" xml-lang="en-US" l10n="U" oldref="33">REM Return value is the index of the entry or 0 (Null)</paragraph> 77cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154511" xml-lang="en-US" l10n="U" oldref="34">for iCount=1 to Ubound( sList() )</paragraph> 78cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149123" xml-lang="en-US" l10n="U" oldref="35">if sList( iCount ) = sItem then</paragraph> 79cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153707" xml-lang="en-US" l10n="U" oldref="36">exit for REM sItem found</paragraph> 80cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155066" xml-lang="en-US" l10n="U" oldref="37">end if</paragraph> 81cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156275" xml-lang="en-US" l10n="U" oldref="38">next iCount</paragraph> 82cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156054" xml-lang="en-US" l10n="U" oldref="39">if iCount = Ubound( sList() ) then iCount = 0</paragraph> 83cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153765" xml-lang="en-US" l10n="U" oldref="40">LinSearch = iCount</paragraph> 84cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153713" xml-lang="en-US" l10n="U" oldref="41">end function</paragraph> 85cdf0e10cSrcweir</body> 86cdf0e10cSrcweir</helpdocument> 87