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diff --git a/helpcontent2/source/text/sbasic/shared/03090101.xhp b/helpcontent2/source/text/sbasic/shared/03090101.xhp new file mode 100644 index 000000000..bd9875630 --- /dev/null +++ b/helpcontent2/source/text/sbasic/shared/03090101.xhp @@ -0,0 +1,98 @@ +<?xml version="1.0" encoding="UTF-8"?> +<helpdocument version="1.0"> +<!-- + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . +--> + +<meta> + <topic id="textsbasicshared03090101xml" indexer="include" status="PUBLISH"> + <title id="tit" xml-lang="en-US">If...Then...Else Statement</title> + <filename>/text/sbasic/shared/03090101.xhp</filename> + </topic> +</meta> + +<body> + +<section id="ifthenelse"> +<bookmark xml-lang="en-US" branch="index" id="bm_id3154422"> + <bookmark_value>If statement</bookmark_value> + <bookmark_value>ElseIf; If statement</bookmark_value> + <bookmark_value>Else If;If statement</bookmark_value> + <bookmark_value>Else;If statement</bookmark_value> + <bookmark_value>Else;If statement</bookmark_value> + <bookmark_value>End If;If statement</bookmark_value> + <bookmark_value>EndIf;If statement</bookmark_value> +</bookmark> + +<h1 id="hd_id81592320644826"><link href="text/sbasic/shared/03090101.xhp" name="If...Then...Else Statement">If...Then...Else Statement</link></h1> +<paragraph id="par_id3155555" role="paragraph" xml-lang="en-US">Defines one or more statement blocks that you only want to execute if a given condition or expression is <literal>True</literal>.</paragraph> +</section> + +<embed href="text/sbasic/shared/00000003.xhp#functsyntax"/> +<paragraph role="image" id="par_id311592320434736"><image src="media/helpimg/sbasic/If_statement.svg" id="img_id601592320434736"><alt id="alt_id551592320434736">If...EndIf statement</alt></image></paragraph> +<paragraph role="image" id="par_id591592320435808"><image src="media/helpimg/sbasic/ElseIf_fragment.svg" id="img_id691592320435808"><alt id="alt_id341592320435808">ElseIf fragment</alt></image></paragraph> +<paragraph role="image" id="par_id221592320436632"><image src="media/helpimg/sbasic/Else_fragment.svg" id="img_id81592320436632"><alt id="alt_id391592320436632">Else fragment</alt></image></paragraph> + +<bascode> + <paragraph id="par_id3153126" role="bascode" localize="false">If condition Then </paragraph> + <paragraph role="bascode" id="bas_id801592319803093" localize="false"> statements</paragraph> + <paragraph role="bascode" id="bas_id561592319637952" localize="false">[{ElseIf|Else If} expression Then</paragraph> + <paragraph role="bascode" id="bas_id31592419640235" localize="false"> statements]</paragraph> + <paragraph role="bascode" id="bas_id561692319637952" localize="false">[Else </paragraph> + <paragraph role="bascode" id="bas_id31592319640235" localize="false"> statements]</paragraph> + <paragraph role="bascode" id="bas_id861592319641899" localize="false">{EndIf|End If}</paragraph> +</bascode> + <paragraph id="par_id3123476" role="paragraph" xml-lang="en-US">Instead of <emph>Else If</emph> you can write <emph>ElseIf</emph>, instead of <emph>End If</emph> you can write <emph>EndIf</emph>.</paragraph> + <tip id="par_id631592322239043"><emph>If</emph> statements can be shortened to one line when using single statement blocks.</tip> +<bascode> + <paragraph role="bascode" id="bas_id771592321093694" localize="false">If condition Then statement [Else statement]</paragraph> +</bascode> + +<embed href="text/sbasic/shared/00000003.xhp#functparameters"/> + <paragraph id="par_id3153062" role="paragraph" xml-lang="en-US">The <emph>If...Then</emph> statement executes program blocks depending on given conditions. When %PRODUCTNAME Basic encounters an <emph>If</emph> statement, the condition is tested. If the condition is <literal>True</literal>, all subsequent statements up to the next <emph>Else</emph> or <emph>ElseIf</emph> statement are executed. If the condition is <literal>False</literal>, and an <emph>ElseIf</emph> statement follows, %PRODUCTNAME Basic tests the next expression and executes the following statements if the condition is <literal>True</literal>. If <literal>False</literal>, the program continues either with the next <emph>ElseIf</emph> or <emph>Else</emph> statement. Statements following <emph>Else</emph> are executed only if none of the previously tested conditions were <literal>True</literal>. After all conditions are evaluated, and the corresponding statements executed, the program continues with the statement following <emph>EndIf</emph>.</paragraph> +<paragraph id="par_id3153192" role="paragraph" xml-lang="en-US">You can nest multiple <emph>If...Then</emph> statements.</paragraph> +<paragraph id="par_id3154684" role="paragraph" xml-lang="en-US"> <emph>Else</emph> and <emph>ElseIf</emph> statements are optional.</paragraph> +<paragraph id="par_id3152939" role="warning" xml-lang="en-US">You can use <emph>GoTo</emph> and <emph>GoSub</emph> to jump out of an <emph>If...Then</emph> block, but not to jump into an <emph>If...Then</emph> structure.</paragraph> + +<embed href="text/sbasic/shared/00000003.xhp#functexample"/> +<paragraph id="par_id3153951" role="paragraph" xml-lang="en-US">The following example enables you to enter the expiration date of a product, and determines if the expiration date has passed.</paragraph> +<bascode> +<paragraph id="par_idm1341422592" role="bascode" localize="false">Sub ExampleIfThenDate</paragraph> +<paragraph id="par_idm1341421360" role="bascode" localize="false"> Dim sDate As String</paragraph> +<paragraph id="par_idm1341420128" role="bascode" localize="false"> Dim sToday As String</paragraph> +<paragraph id="par_id3154490" role="bascode" xml-lang="en-US"> sDate = InputBox("Enter the expiration date (MM.DD.YYYY)")</paragraph> +<paragraph id="par_idm1341417136" role="bascode" localize="false"> sDate = Right$(sDate, 4) + Mid$(sDate, 4, 2) + Left$(sDate, 2)</paragraph> +<paragraph id="par_idm1341415856" role="bascode" localize="false"> sToday = Date$</paragraph> +<paragraph id="par_idm1341414624" role="bascode" localize="false"> sToday = Right$(sToday, 4)+ Mid$(sToday, 4, 2) + Left$(sToday, 2)</paragraph> +<paragraph id="par_idm1341413344" role="bascode" localize="false"> If sDate < sToday Then</paragraph> +<paragraph id="par_id3155601" role="bascode" xml-lang="en-US"> MsgBox "The expiration date has passed"</paragraph> +<paragraph id="par_idm1341410352" role="bascode" localize="false"> ElseIf sDate > sToday Then</paragraph> +<paragraph id="par_id3146912" role="bascode" xml-lang="en-US"> MsgBox "The expiration date has not yet passed"</paragraph> +<paragraph id="par_idm1341407312" role="bascode" localize="false"> Else</paragraph> +<paragraph id="par_id3154754" role="bascode" xml-lang="en-US"> MsgBox "The expiration date is today"</paragraph> +<paragraph id="par_idm1341404336" role="bascode" localize="false"> End If</paragraph> +<paragraph id="par_idm1341403104" role="bascode" localize="false">End Sub</paragraph> +</bascode> + +<section id="relatedtopics"> + <paragraph role="paragraph" id="par_id161588865796615"><link href="text/sbasic/shared/03090102.xhp" name="Select Case statement">Select Case</link> statement</paragraph> + <paragraph role="paragraph" id="par_id281588865818334"><link href="text/sbasic/shared/03090103.xhp" name="Iif function">Iif</link> or <link href="text/sbasic/shared/03090410.xhp" name="Switch function">Switch</link> functions</paragraph> +</section> + +</body> + +</helpdocument>
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