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
65
66
67
68
|
<?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="textsbasicshared03060100xml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">AND Operator [Runtime]</title>
<filename>/text/sbasic/shared/03060100.xhp</filename>
</topic>
</meta>
<body>
<section id="and">
<bookmark xml-lang="en-US" branch="index" id="bm_id3146117">
<bookmark_value>AND operator (logical)</bookmark_value>
</bookmark>
<paragraph id="hd_id3146117" role="heading" level="1" xml-lang="en-US"><link href="text/sbasic/shared/03060100.xhp" name="AND Operator [Runtime]">AND Operator [Runtime]</link></paragraph>
<paragraph id="par_id3143268" role="paragraph" xml-lang="en-US">Logically combines two expressions.</paragraph>
</section>
<paragraph id="hd_id3147574" role="heading" level="2" xml-lang="en-US">Syntax:</paragraph>
<bascode>
<paragraph id="par_id3156344" role="bascode" xml-lang="en-US">Result = Expression1 And Expression2</paragraph>
</bascode>
<paragraph id="hd_id3148946" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph>
<paragraph id="par_id3149457" role="paragraph" xml-lang="en-US"> <emph>Result:</emph> Any numeric variable that records the result of the combination.</paragraph>
<paragraph id="par_id3150541" role="paragraph" xml-lang="en-US"> <emph>Expression1, Expression2:</emph> Any expressions that you want to combine.</paragraph>
<paragraph id="par_id3156215" role="paragraph" xml-lang="en-US">Boolean expressions combined with AND only return the value <emph>True</emph> if both expressions evaluate to <emph>True</emph>:</paragraph>
<paragraph id="par_id3150870" role="paragraph" xml-lang="en-US"> <emph>True</emph> AND <emph>True</emph> returns <emph>True</emph>; for all other combinations the result is <emph>False</emph>.</paragraph>
<paragraph id="par_id3153768" role="paragraph" xml-lang="en-US">The AND operator also performs a bitwise comparison of identically positioned bits in two numeric expressions.</paragraph>
<paragraph id="hd_id3153727" role="heading" level="2" xml-lang="en-US">Example:</paragraph>
<bascode>
<paragraph id="par_idm1340824864" role="bascode" localize="false" xml-lang="en-US">Sub ExampleAnd</paragraph>
<paragraph id="par_idm1340823632" role="bascode" localize="false" xml-lang="en-US">Dim A As Variant, B As Variant, C As Variant, D As Variant</paragraph>
<paragraph id="par_idm1340822352" role="bascode" localize="false" xml-lang="en-US">Dim vVarOut As Variant</paragraph>
<paragraph id="par_idm1340821120" role="bascode" localize="false" xml-lang="en-US"> A = 10: B = 8: C = 6: D = Null</paragraph>
<paragraph id="par_id3146984" role="bascode" xml-lang="en-US"> vVarOut = A > B And B > C ' returns -1</paragraph>
<paragraph id="par_id3154014" role="bascode" xml-lang="en-US"> vVarOut = B > A And B > C ' returns 0</paragraph>
<paragraph id="par_id3149262" role="bascode" xml-lang="en-US"> vVarOut = A > B And B > D ' returns 0</paragraph>
<paragraph id="par_id3145751" role="bascode" xml-lang="en-US"> vVarOut = (B > D And B > A) ' returns 0</paragraph>
<paragraph id="par_id3147394" role="bascode" xml-lang="en-US"> vVarOut = B And A ' returns 8 due to the bitwise And combination of both arguments</paragraph>
<paragraph id="par_idm1340810864" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
</bascode>
</body>
</helpdocument>
|
