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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /helpcontent2/source/text/sbasic/shared/03090101.xhp
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?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 &lt; 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 &gt; 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> \ No newline at end of file