1<?xml version="1.0" encoding="UTF-8"?>
2
3<!--***********************************************************
4 *
5 * Licensed to the Apache Software Foundation (ASF) under one
6 * or more contributor license agreements.  See the NOTICE file
7 * distributed with this work for additional information
8 * regarding copyright ownership.  The ASF licenses this file
9 * to you under the Apache License, Version 2.0 (the
10 * "License"); you may not use this file except in compliance
11 * with the License.  You may obtain a copy of the License at
12 *
13 *   http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing,
16 * software distributed under the License is distributed on an
17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18 * KIND, either express or implied.  See the License for the
19 * specific language governing permissions and limitations
20 * under the License.
21 *
22 ***********************************************************-->
23
24<helpdocument version="1.0">
25<meta>
26<topic id="textsbasicshared03102400xml" indexer="include" status="PUBLISH">
27<title id="tit" xml-lang="en-US">IsEmpty Function [Runtime]</title>
28<filename>/text/sbasic/shared/03102400.xhp</filename>
29</topic>
30</meta>
31<body>
32<section id="isempty">
33<bookmark xml-lang="en-US" branch="index" id="bm_id3153394">
34<bookmark_value>IsEmpty function</bookmark_value>
35</bookmark>
36<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>
37<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>
38</section>
39<paragraph role="heading" id="hd_id3159158" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
40<paragraph role="paragraph" id="par_id3153126" xml-lang="en-US" l10n="U" oldref="4">IsEmpty (Var)</paragraph>
41<paragraph role="heading" id="hd_id3148685" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph>
42<paragraph role="paragraph" id="par_id3156344" xml-lang="en-US" l10n="U" oldref="6">Bool</paragraph>
43<paragraph role="heading" id="hd_id3148947" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph>
44<paragraph role="paragraph" id="par_id3154347" xml-lang="en-US" l10n="U" oldref="8">
45<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>
46<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
47<embed href="text/sbasic/shared/00000003.xhp#err5"/>
48<paragraph role="heading" id="hd_id3154138" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph>
49<paragraph role="paragraph" id="par_id3125864" xml-lang="en-US" l10n="U" oldref="10">Sub ExampleIsEmpty</paragraph>
50<paragraph role="paragraph" id="par_id3150449" xml-lang="en-US" l10n="U" oldref="11">Dim sVar as Variant</paragraph>
51<paragraph role="paragraph" id="par_id3153970" xml-lang="en-US" l10n="U" oldref="12">sVar = Empty</paragraph>
52<paragraph role="paragraph" id="par_id3154863" xml-lang="en-US" l10n="U" oldref="13">Print IsEmpty(sVar) REM Returns True</paragraph>
53<paragraph role="paragraph" id="par_id3151043" xml-lang="en-US" l10n="U" oldref="14">end sub</paragraph>
54</body>
55</helpdocument>
56