1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2cdf0e10cSrcweir 3d33d0967SAndrew Rist<!--*********************************************************** 41452e63cSmseidel * 5d33d0967SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 6d33d0967SAndrew Rist * or more contributor license agreements. See the NOTICE file 7d33d0967SAndrew Rist * distributed with this work for additional information 8d33d0967SAndrew Rist * regarding copyright ownership. The ASF licenses this file 9d33d0967SAndrew Rist * to you under the Apache License, Version 2.0 (the 10d33d0967SAndrew Rist * "License"); you may not use this file except in compliance 11d33d0967SAndrew Rist * with the License. You may obtain a copy of the License at 121452e63cSmseidel * 13d33d0967SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 141452e63cSmseidel * 15d33d0967SAndrew Rist * Unless required by applicable law or agreed to in writing, 16d33d0967SAndrew Rist * software distributed under the License is distributed on an 17d33d0967SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18d33d0967SAndrew Rist * KIND, either express or implied. See the License for the 19d33d0967SAndrew Rist * specific language governing permissions and limitations 20d33d0967SAndrew Rist * under the License. 211452e63cSmseidel * 22d33d0967SAndrew Rist ***********************************************************--> 23d33d0967SAndrew Rist 241452e63cSmseidel<helpdocument version="1.0"> 25cdf0e10cSrcweir<meta> 26cdf0e10cSrcweir<topic id="textsbasicshared03090101xml" indexer="include" status="PUBLISH"> 27cdf0e10cSrcweir<title id="tit" xml-lang="en-US">If...Then...Else Statement [Runtime]</title> 28cdf0e10cSrcweir<filename>/text/sbasic/shared/03090101.xhp</filename> 29cdf0e10cSrcweir</topic> 30cdf0e10cSrcweir</meta> 31cdf0e10cSrcweir<body> 32cdf0e10cSrcweir<section id="ifthenelse"> 33*cd3ec106Smseidel<bookmark xml-lang="en-US" branch="index" id="bm_id3154422"> 34*cd3ec106Smseidel<bookmark_value>If statement</bookmark_value> 35cdf0e10cSrcweir</bookmark> 36cdf0e10cSrcweir<paragraph role="heading" id="hd_id3154422" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03090101.xhp" name="If...Then...Else Statement [Runtime]">If...Then...Else Statement [Runtime]</link></paragraph> 37cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155555" xml-lang="en-US" l10n="U" oldref="2">Defines one or more statement blocks that you only want to execute if a given condition is True.</paragraph> 38cdf0e10cSrcweir</section> 39cdf0e10cSrcweir<paragraph role="heading" id="hd_id3146957" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 40cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153126" xml-lang="en-US" l10n="CHG" oldref="4">If condition=true Then Statement block [ElseIf condition=true Then] Statement block [Else] Statement block EndIf<br/>Instead of Else If you can write ElseIf, instead of End If you can write EndIf.</paragraph> 41cdf0e10cSrcweir<paragraph role="heading" id="hd_id3155419" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph> 42cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153062" xml-lang="en-US" l10n="U" oldref="6">The <emph>If...Then</emph> statement executes program blocks depending on given conditions. When $[officename] Basic encounters an <emph>If</emph> statement, the condition is tested. If the condition is True, all subsequent statements up to the next <emph>Else</emph> or <emph>ElseIf</emph> statement are executed. If the condition is False, and an <emph>ElseIf</emph> statement follows, $[officename] Basic tests the next condition and executes the following statements if the condition is True. If False, 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 True. After all conditions are evaluated, and the corresponding statements executed, the program continues with the statement following <emph>EndIf</emph>.</paragraph> 43cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153192" xml-lang="en-US" l10n="U" oldref="7">You can nest multiple <emph>If...Then</emph> statements.</paragraph> 44cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154684" xml-lang="en-US" l10n="U" oldref="8"> 45cdf0e10cSrcweir<emph>Else</emph> and <emph>ElseIf</emph> statements are optional.</paragraph> 46cdf0e10cSrcweir<paragraph role="warning" id="par_id3152939" xml-lang="en-US" l10n="U" oldref="9">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> 47cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153951" xml-lang="en-US" l10n="U" oldref="10">The following example enables you to enter the expiration date of a product, and determines if the expiration date has passed.</paragraph> 48cdf0e10cSrcweir<paragraph role="heading" id="hd_id3152576" xml-lang="en-US" level="2" l10n="U" oldref="11">Example:</paragraph> 49cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150011" xml-lang="en-US" l10n="U" oldref="12">Sub ExampleIfThenDate</paragraph> 50cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148645" xml-lang="en-US" l10n="U" oldref="13">Dim sDate as String</paragraph> 51cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155855" xml-lang="en-US" l10n="U" oldref="14">Dim sToday as String</paragraph> 52cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154490" xml-lang="en-US" l10n="U" oldref="16">sDate = InputBox("Enter the expiration date (MM.DD.YYYY)")</paragraph> 53cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154943" xml-lang="en-US" l10n="U" oldref="17">sDate = Right$(sDate, 4) + Mid$(sDate, 4, 2) + Left$(sDate, 2)</paragraph> 54cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154098" xml-lang="en-US" l10n="U" oldref="18">sToday = Date$</paragraph> 55cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3144765" xml-lang="en-US" l10n="U" oldref="19">sToday = Right$(sToday, 4)+ Mid$(sToday, 4, 2) + Left$(sToday, 2)</paragraph> 56cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154792" xml-lang="en-US" l10n="U" oldref="20">If sDate < sToday Then</paragraph> 57cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155601" xml-lang="en-US" l10n="U" oldref="21">MsgBox "The expiration date has passed"</paragraph> 58cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3146972" xml-lang="en-US" l10n="U" oldref="22">ElseIf sDate > sToday Then</paragraph> 59cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3146912" xml-lang="en-US" l10n="U" oldref="23">MsgBox "The expiration date has not yet passed"</paragraph> 60cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153710" xml-lang="en-US" l10n="U" oldref="24">Else</paragraph> 61cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154754" xml-lang="en-US" l10n="U" oldref="25">MsgBox "The expiration date is today"</paragraph> 62cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154361" xml-lang="en-US" l10n="U" oldref="26">End If</paragraph> 63cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148405" xml-lang="en-US" l10n="U" oldref="28">End Sub</paragraph> 64cdf0e10cSrcweir</body> 65cdf0e10cSrcweir</helpdocument> 66