<?xml version="1.0" encoding="UTF-8"?> <!--*********************************************************************** * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * Copyright 2000, 2010 Oracle and/or its affiliates. * * OpenOffice.org - a multi-platform office productivity suite * * This file is part of OpenOffice.org. * * OpenOffice.org is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 3 * only, as published by the Free Software Foundation. * * OpenOffice.org is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License version 3 for more details * (a copy is included in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU Lesser General Public License * version 3 along with OpenOffice.org. If not, see * <http://www.openoffice.org/license.html> * for a copy of the LGPLv3 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> <history> <created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> <lastedited date="2004-08-24T13:02:08">converted from old format - fpe</lastedited> </history> </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>