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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See the License for the 20*d33d0967SAndrew Rist * specific language governing permissions and limitations 21*d33d0967SAndrew Rist * under the License. 22*d33d0967SAndrew Rist * 23*d33d0967SAndrew Rist ***********************************************************--> 24*d33d0967SAndrew Rist 25*d33d0967SAndrew Rist<helpdocument version="1.0"> 26cdf0e10cSrcweir<meta> 27cdf0e10cSrcweir<topic id="textsbasicshared03090203xml" indexer="include" status="PUBLISH"> 28cdf0e10cSrcweir<title xml-lang="en-US" id="tit">While...Wend Statement[Runtime]</title> 29cdf0e10cSrcweir<filename>/text/sbasic/shared/03090203.xhp</filename> 30cdf0e10cSrcweir</topic> 31cdf0e10cSrcweir<history> 32cdf0e10cSrcweir<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> 33cdf0e10cSrcweir<lastedited date="2003-10-31T00:00:00">converted from old format - fpe</lastedited> 34cdf0e10cSrcweir</history> 35cdf0e10cSrcweir</meta> 36cdf0e10cSrcweir<body> 37cdf0e10cSrcweir 38cdf0e10cSrcweir 39cdf0e10cSrcweir <section id="whilewend"> 40cdf0e10cSrcweir <bookmark xml-lang="en-US" branch="index" id="bm_id3150400"><bookmark_value>While;While...Wend loop</bookmark_value></bookmark><paragraph id="hd_id3150400" role="heading" level="1" oldref="1" l10n="U" xml-lang="en-US"><link href="text/sbasic/shared/03090203.xhp" name="While...Wend Statement[Runtime]">While...Wend Statement[Runtime]</link></paragraph> 41cdf0e10cSrcweir <paragraph xml-lang="en-US" role="paragraph" id="par_id3151211" l10n="U" oldref="2">When a program encounters a While statement, it tests the condition. If the condition is False, the program continues directly following the Wend statement. If the condition is True, the loop is executed until the program finds Wend and then jumps back to the<emph> While </emph>statement. If the condition is still True, the loop is executed again.</paragraph> 42cdf0e10cSrcweir </section> 43cdf0e10cSrcweir <paragraph xml-lang="en-US" oldref="3" id="par_id3151041" l10n="U" role="paragraph">Unlike the <link href="text/sbasic/shared/03090201.xhp" name="Do...Loop">Do...Loop</link> statement, you cannot cancel a <emph>While...Wend</emph> loop with <link href="text/sbasic/shared/03090412.xhp" name="Exit">Exit</link>. Never exit a While...Wend loop with <link href="text/sbasic/shared/03090302.xhp" name="GoTo">GoTo</link>, since this can cause a run-time error.</paragraph> 44cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3145172" l10n="U" xml-lang="en-US" oldref="4">A Do...Loop is more flexible than a While...Wend.</paragraph> 45cdf0e10cSrcweir <paragraph role="heading" level="2" id="hd_id3155133" l10n="U" xml-lang="en-US" oldref="5">Syntax:</paragraph> 46cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3147288" l10n="U" xml-lang="en-US" oldref="6">While Condition [Statement] Wend</paragraph> 47cdf0e10cSrcweir <paragraph role="heading" level="2" id="hd_id3153139" l10n="U" xml-lang="en-US" oldref="7">Example:</paragraph> 48cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3159153" l10n="U" xml-lang="en-US" oldref="8">Sub ExampleWhileWend</paragraph> 49cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3151114" l10n="U" xml-lang="en-US" oldref="9">Dim stext As String</paragraph> 50cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3153143" l10n="U" xml-lang="en-US" oldref="10">Dim iRun As Integer</paragraph> 51cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3155306" l10n="U" xml-lang="en-US" oldref="11">sText ="This is a short text"</paragraph> 52cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3154011" l10n="U" xml-lang="en-US" oldref="12">iRun = 1</paragraph> 53cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3147215" l10n="U" xml-lang="en-US" oldref="13">while iRun < Len(sText)</paragraph> 54cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3147427" l10n="U" xml-lang="en-US" oldref="14">if Mid(sText,iRun,1 )<> " " then Mid( sText ,iRun, 1, Chr( 1 + Asc( Mid(sText,iRun,1 )) )</paragraph> 55cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3149665" l10n="U" xml-lang="en-US" oldref="15">iRun = iRun + 1</paragraph> 56cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3152939" l10n="U" xml-lang="en-US" oldref="16">Wend</paragraph> 57cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3153189" l10n="U" xml-lang="en-US" oldref="17">MsgBox sText,0,"Text encoded"</paragraph> 58cdf0e10cSrcweir <paragraph role="paragraph" id="par_id3145251" l10n="U" xml-lang="en-US" oldref="18">end sub</paragraph> 59cdf0e10cSrcweir </body> 60cdf0e10cSrcweir</helpdocument> 61