1<?xml version="1.0" encoding="UTF-8"?> 2 3<!--*********************************************************** 4 * 5 * Licensed to the Apache Software Foundation (ASF) under one 6 * or more contributor license agreements. See the NOTICE file 7 * distributed with this work for additional information 8 * regarding copyright ownership. The ASF licenses this file 9 * to you under the Apache License, Version 2.0 (the 10 * "License"); you may not use this file except in compliance 11 * with the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, 16 * software distributed under the License is distributed on an 17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18 * KIND, either express or implied. See the License for the 19 * specific language governing permissions and limitations 20 * under the License. 21 * 22 ***********************************************************--> 23 24<helpdocument version="1.0"> 25<meta> 26<topic id="textsbasicshared03090402xml" indexer="include" status="PUBLISH"> 27<title id="tit" xml-lang="en-US">Choose Function [Runtime]</title> 28<filename>/text/sbasic/shared/03090402.xhp</filename> 29</topic> 30</meta> 31<body> 32<section id="choose"> 33<bookmark xml-lang="en-US" branch="index" id="bm_id3143271"> 34<bookmark_value>Choose function</bookmark_value> 35</bookmark> 36<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> 37<paragraph role="paragraph" id="par_id3149234" xml-lang="en-US" l10n="U" oldref="2">Returns a selected value from a list of arguments.</paragraph> 38</section> 39<paragraph role="heading" id="hd_id3148943" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 40<paragraph role="paragraph" id="par_id3147560" xml-lang="en-US" l10n="U" oldref="4">Choose (Index, Selection1[, Selection2, ... [,Selection_n]])</paragraph> 41<paragraph role="heading" id="hd_id3154346" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph> 42<paragraph role="paragraph" id="par_id3148664" xml-lang="en-US" l10n="U" oldref="6"> 43<emph>Index:</emph> A numeric expression that specifies the value to return.</paragraph> 44<paragraph role="paragraph" id="par_id3150791" xml-lang="en-US" l10n="U" oldref="7"> 45<emph>Selection1:</emph> Any expression that contains one of the possible choices.</paragraph> 46<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> 47<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> 48<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> 49<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> 50<embed href="text/sbasic/shared/00000003.xhp#err5"/> 51<paragraph role="heading" id="hd_id3150439" xml-lang="en-US" level="2" l10n="U" oldref="11">Example:</paragraph> 52<paragraph role="paragraph" id="par_id3153091" xml-lang="en-US" l10n="U" oldref="12">Sub ExampleChoose</paragraph> 53<paragraph role="paragraph" id="par_id3152597" xml-lang="en-US" l10n="U" oldref="13">Dim sReturn As String</paragraph> 54<paragraph role="paragraph" id="par_id3155855" xml-lang="en-US" l10n="U" oldref="14">sReturn = ChooseMenu(2)</paragraph> 55<paragraph role="paragraph" id="par_id3148575" xml-lang="en-US" l10n="U" oldref="15">Print sReturn</paragraph> 56<paragraph role="paragraph" id="par_id3154012" xml-lang="en-US" l10n="U" oldref="16">end sub</paragraph> 57<paragraph role="paragraph" id="par_id3146921" xml-lang="en-US" l10n="U" oldref="19">Function ChooseMenu(Index As Integer)</paragraph> 58<paragraph role="paragraph" id="par_id3156443" xml-lang="en-US" l10n="U" oldref="20">ChooseMenu = Choose(Index, "Quick Format", "Save Format", "System Format")</paragraph> 59<paragraph role="paragraph" id="par_id3148645" xml-lang="en-US" l10n="U" oldref="21">End Function</paragraph> 60</body> 61</helpdocument> 62