<?xml version="1.0" encoding="UTF-8"?> <!--*********************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * ***********************************************************--> <helpdocument version="1.0"> <meta> <topic id="textsbasicshared03102400xml" indexer="include" status="PUBLISH"> <title id="tit" xml-lang="en-US">IsEmpty Function [Runtime]</title> <filename>/text/sbasic/shared/03102400.xhp</filename> </topic> </meta> <body> <section id="isempty"> <bookmark xml-lang="en-US" branch="index" id="bm_id3153394"><bookmark_value>IsEmpty function</bookmark_value> </bookmark> <paragraph role="heading" id="hd_id3153394" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03102400.xhp" name="IsEmpty Function [Runtime]">IsEmpty Function [Runtime]</link></paragraph> <paragraph role="paragraph" id="par_id3163045" xml-lang="en-US" l10n="U" oldref="2">Tests if a Variant variable contains the Empty value. The Empty value indicates that the variable is not initialized.</paragraph> </section> <paragraph role="heading" id="hd_id3159158" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> <paragraph role="paragraph" id="par_id3153126" xml-lang="en-US" l10n="U" oldref="4">IsEmpty (Var)</paragraph> <paragraph role="heading" id="hd_id3148685" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph> <paragraph role="paragraph" id="par_id3156344" xml-lang="en-US" l10n="U" oldref="6">Bool</paragraph> <paragraph role="heading" id="hd_id3148947" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph> <paragraph role="paragraph" id="par_id3154347" xml-lang="en-US" l10n="U" oldref="8"> <emph>Var:</emph> Any variable that you want to test. If the Variant contains the Empty value, the function returns True, otherwise the function returns False.</paragraph> <embed href="text/sbasic/shared/00000003.xhp#errorcode"/> <embed href="text/sbasic/shared/00000003.xhp#err5"/> <paragraph role="heading" id="hd_id3154138" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph> <paragraph role="paragraph" id="par_id3125864" xml-lang="en-US" l10n="U" oldref="10">Sub ExampleIsEmpty</paragraph> <paragraph role="paragraph" id="par_id3150449" xml-lang="en-US" l10n="U" oldref="11">Dim sVar as Variant</paragraph> <paragraph role="paragraph" id="par_id3153970" xml-lang="en-US" l10n="U" oldref="12">sVar = Empty</paragraph> <paragraph role="paragraph" id="par_id3154863" xml-lang="en-US" l10n="U" oldref="13">Print IsEmpty(sVar) REM Returns True</paragraph> <paragraph role="paragraph" id="par_id3151043" xml-lang="en-US" l10n="U" oldref="14">end sub</paragraph> </body> </helpdocument>