blob: 7343efb892043766011216d0c9db2c58181ab72e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
<?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="textsbasicshared03102400xml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">IsEmpty Function</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 id="hd_id3153394" role="heading" level="1" xml-lang="en-US"><link href="text/sbasic/shared/03102400.xhp" name="IsEmpty Function">IsEmpty Function</link></paragraph>
<paragraph id="par_id3163045" role="paragraph" xml-lang="en-US">Tests if a Variant variable contains the Empty value. The Empty value indicates that the variable is not initialized.</paragraph>
</section>
<paragraph id="hd_id3159158" role="heading" level="2" xml-lang="en-US">Syntax:</paragraph>
<bascode>
<paragraph id="par_id3153126" role="bascode" xml-lang="en-US">IsEmpty (Var)</paragraph>
</bascode>
<paragraph id="hd_id3148685" role="heading" level="2" xml-lang="en-US">Return value:</paragraph>
<paragraph id="par_id3156344" localize="false" role="paragraph">Boolean</paragraph>
<paragraph id="hd_id3148947" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph>
<paragraph id="par_id3154347" role="paragraph" xml-lang="en-US"> <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 id="hd_id3154138" role="heading" level="2" xml-lang="en-US">Example:</paragraph>
<bascode>
<paragraph id="par_idm1341577824" role="bascode" localize="false" xml-lang="en-US">Sub ExampleIsEmpty</paragraph>
<paragraph id="par_idm1341576592" role="bascode" localize="false" xml-lang="en-US">Dim sVar As Variant</paragraph>
<paragraph id="par_idm1341575360" role="bascode" localize="false" xml-lang="en-US"> sVar = Empty</paragraph>
<paragraph id="par_id31548633021" role="bascode" localize="false" xml-lang="en-US"> Print IsEmpty(sVar) ' True</paragraph>
<paragraph id="par_idm1341572400" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
</bascode>
</body>
</helpdocument>
|
