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diff --git a/helpcontent2/source/text/sbasic/shared/03102600.xhp b/helpcontent2/source/text/sbasic/shared/03102600.xhp new file mode 100644 index 000000000..752fbacdf --- /dev/null +++ b/helpcontent2/source/text/sbasic/shared/03102600.xhp @@ -0,0 +1,65 @@ +<?xml version="1.0" encoding="UTF-8"?> +<helpdocument version="1.0"> +<!-- + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . +--> + +<meta> + <topic id="textsbasicshared03102600xml" indexer="include"> + <title id="tit" xml-lang="en-US">IsNull Function</title> + <filename>/text/sbasic/shared/03102600.xhp</filename> + </topic> +</meta> + +<body> + + +<section id="isnull"> +<bookmark xml-lang="en-US" branch="index" id="bm_id3155555"> + <bookmark_value>IsNull function</bookmark_value> + <bookmark_value>Null value</bookmark_value> +</bookmark> + + +<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> +<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> +</section> + +<paragraph id="hd_id3150670" role="heading" level="2" xml-lang="en-US">Syntax:</paragraph> +<bascode> +<paragraph id="par_id3150984" role="bascode" xml-lang="en-US">IsNull (Var)</paragraph> +</bascode> + +<paragraph id="hd_id3149514" role="heading" level="2" xml-lang="en-US">Return value:</paragraph> +<paragraph id="par_id3145609" role="paragraph" xml-lang="en-US">Bool</paragraph> + +<paragraph id="hd_id3149669" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph> +<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> +<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> +<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> +<embed href="text/sbasic/shared/00000003.xhp#err5"/> + +<paragraph id="hd_id3153381" role="heading" level="2" xml-lang="en-US">Example:</paragraph> +<bascode> +<paragraph id="par_idm1340980640" role="bascode" localize="false" xml-lang="en-US">Sub ExampleIsNull</paragraph> +<paragraph id="par_idm1340979408" role="bascode" localize="false" xml-lang="en-US">Dim vVar As Variant</paragraph> +<paragraph id="par_idm1340978176" role="bascode" localize="false" xml-lang="en-US"> MsgBox IsNull(vVar)</paragraph> +<paragraph id="par_idm1340976944" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph> +</bascode> +</body> + +</helpdocument>
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