1<?xml version="1.0" encoding="UTF-8"?> 2 3 4<!--*********************************************************************** 5 * 6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 7 * 8 * Copyright 2000, 2010 Oracle and/or its affiliates. 9 * 10 * OpenOffice.org - a multi-platform office productivity suite 11 * 12 * This file is part of OpenOffice.org. 13 * 14 * OpenOffice.org is free software: you can redistribute it and/or modify 15 * it under the terms of the GNU Lesser General Public License version 3 16 * only, as published by the Free Software Foundation. 17 * 18 * OpenOffice.org is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU Lesser General Public License version 3 for more details 22 * (a copy is included in the LICENSE file that accompanied this code). 23 * 24 * You should have received a copy of the GNU Lesser General Public License 25 * version 3 along with OpenOffice.org. If not, see 26 * <http://www.openoffice.org/license.html> 27 * for a copy of the LGPLv3 License. 28 * 29 ************************************************************************--> 30 31<helpdocument version="1.0"> 32<meta> 33<topic id="textsbasicshared03090402xml" indexer="include" status="PUBLISH"> 34<title id="tit" xml-lang="en-US">Choose Function [Runtime]</title> 35<filename>/text/sbasic/shared/03090402.xhp</filename> 36</topic> 37<history> 38<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> 39<lastedited date="2004-08-24T09:37:38">converted from old format - fpe</lastedited> 40</history> 41</meta> 42<body> 43<section id="choose"> 44<bookmark xml-lang="en-US" branch="index" id="bm_id3143271"><bookmark_value>Choose function</bookmark_value> 45</bookmark> 46<paragraph role="heading" id="hd_id3143271" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03090402.xhp" name="Choose Function [Runtime]">Choose Function [Runtime]</link></paragraph> 47<paragraph role="paragraph" id="par_id3149234" xml-lang="en-US" l10n="U" oldref="2">Returns a selected value from a list of arguments.</paragraph> 48</section> 49<paragraph role="heading" id="hd_id3148943" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 50<paragraph role="paragraph" id="par_id3147560" xml-lang="en-US" l10n="U" oldref="4">Choose (Index, Selection1[, Selection2, ... [,Selection_n]])</paragraph> 51<paragraph role="heading" id="hd_id3154346" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph> 52<paragraph role="paragraph" id="par_id3148664" xml-lang="en-US" l10n="U" oldref="6"> 53<emph>Index:</emph> A numeric expression that specifies the value to return.</paragraph> 54<paragraph role="paragraph" id="par_id3150791" xml-lang="en-US" l10n="U" oldref="7"> 55<emph>Selection1:</emph> Any expression that contains one of the possible choices.</paragraph> 56<paragraph role="paragraph" id="par_id3151043" xml-lang="en-US" l10n="U" oldref="8">The <emph>Choose</emph> function returns a value from the list of expressions based on the index value. If Index = 1, the function returns the first expression in the list, if index i= 2, it returns the second expression, and so on.</paragraph> 57<paragraph role="paragraph" id="par_id3153192" xml-lang="en-US" l10n="U" oldref="9">If the index value is less than 1 or greater than the number of expressions listed, the function returns a Null value.</paragraph> 58<paragraph role="paragraph" id="par_id3156281" xml-lang="en-US" l10n="U" oldref="10">The following example uses the <emph>Choose</emph> function to select a string from several strings that form a menu:</paragraph> 59<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> 60<embed href="text/sbasic/shared/00000003.xhp#err5"/> 61<paragraph role="heading" id="hd_id3150439" xml-lang="en-US" level="2" l10n="U" oldref="11">Example:</paragraph> 62<paragraph role="paragraph" id="par_id3153091" xml-lang="en-US" l10n="U" oldref="12">Sub ExampleChoose</paragraph> 63<paragraph role="paragraph" id="par_id3152597" xml-lang="en-US" l10n="U" oldref="13">Dim sReturn As String</paragraph> 64<paragraph role="paragraph" id="par_id3155855" xml-lang="en-US" l10n="U" oldref="14">sReturn = ChooseMenu(2)</paragraph> 65<paragraph role="paragraph" id="par_id3148575" xml-lang="en-US" l10n="U" oldref="15">Print sReturn</paragraph> 66<paragraph role="paragraph" id="par_id3154012" xml-lang="en-US" l10n="U" oldref="16">end sub</paragraph> 67<paragraph role="paragraph" id="par_id3146921" xml-lang="en-US" l10n="U" oldref="19">Function ChooseMenu(Index As Integer)</paragraph> 68<paragraph role="paragraph" id="par_id3156443" xml-lang="en-US" l10n="U" oldref="20">ChooseMenu = Choose(Index, "Quick Format", "Save Format", "System Format")</paragraph> 69<paragraph role="paragraph" id="par_id3148645" xml-lang="en-US" l10n="U" oldref="21">End Function</paragraph> 70</body> 71</helpdocument> 72