forked from amazingfate/help
75cf318614
[Runtime] was deleted [Runtime - VBA] was replaced to [VBA] Combination of words "runtime functions" and "runtime categiries" was replaced to "functions" and "categiries" respectively Change-Id: I1f03a5f2ef1697e216e144ecccbfb8942b315718 Reviewed-on: https://gerrit.libreoffice.org/49914 Tested-by: Olivier Hallot <olivier.hallot@libreoffice.org> Reviewed-by: Sophie Gautier <gautier.sophie@gmail.com> Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
65 lines
3.2 KiB
XML
65 lines
3.2 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<helpdocument version="1.0">
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<!--
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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-->
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<meta>
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<topic id="textsbasicshared03102600xml" indexer="include">
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<title id="tit" xml-lang="en-US">IsNull Function</title>
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<filename>/text/sbasic/shared/03102600.xhp</filename>
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</topic>
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</meta>
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<body>
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<section id="isnull">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3155555">
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<bookmark_value>IsNull function</bookmark_value>
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<bookmark_value>Null value</bookmark_value>
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</bookmark>
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<paragraph id="hd_id3155555" role="heading" level="1" xml-lang="en-US"><link href="text/sbasic/shared/03102600.xhp" name="IsNull Function">IsNull Function</link></paragraph>
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<paragraph id="par_id3146957" role="paragraph" xml-lang="en-US">Tests if a Variant contains the special Null value, indicating that the variable does not contain data.</paragraph>
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</section>
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<paragraph id="hd_id3150670" role="heading" level="2" xml-lang="en-US">Syntax:</paragraph>
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<bascode>
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<paragraph id="par_id3150984" role="bascode" xml-lang="en-US">IsNull (Var)</paragraph>
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</bascode>
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<paragraph id="hd_id3149514" role="heading" level="2" xml-lang="en-US">Return value:</paragraph>
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<paragraph id="par_id3145609" role="paragraph" xml-lang="en-US">Bool</paragraph>
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<paragraph id="hd_id3149669" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph>
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<paragraph id="par_id3159414" role="paragraph" xml-lang="en-US"> <emph>Var:</emph> Any variable that you want to test. This function returns True if the Variant contains the Null value, or False if the Variant does not contain the Null value.</paragraph>
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<paragraph id="par_idN1062A" role="paragraph" xml-lang="en-US"> <emph>Null</emph> - This value is used for a variant data sub type without valid contents.</paragraph>
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<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
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<embed href="text/sbasic/shared/00000003.xhp#err5"/>
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<paragraph id="hd_id3153381" role="heading" level="2" xml-lang="en-US">Example:</paragraph>
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<bascode>
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<paragraph id="par_idm1340980640" role="bascode" localize="false" xml-lang="en-US">Sub ExampleIsNull</paragraph>
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<paragraph id="par_idm1340979408" role="bascode" localize="false" xml-lang="en-US">Dim vVar As Variant</paragraph>
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<paragraph id="par_idm1340978176" role="bascode" localize="false" xml-lang="en-US"> MsgBox IsNull(vVar)</paragraph>
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<paragraph id="par_idm1340976944" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
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</bascode>
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</body>
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</helpdocument> |