forked from amazingfate/help
66 lines
4.2 KiB
XML
Executable File
66 lines
4.2 KiB
XML
Executable File
<?xml version="1.0" encoding="UTF-8"?>
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<!--***********************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************-->
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<helpdocument version="1.0">
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<meta>
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<topic id="textsbasicshared03100700xml" indexer="include" status="PUBLISH">
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<title id="tit" xml-lang="en-US">Const Statement [Runtime]</title>
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<filename>/text/sbasic/shared/03100700.xhp</filename>
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</topic>
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<history>
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<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
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<lastedited date="2004-08-24T10:34:44">converted from old format - fpe</lastedited>
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</history>
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</meta>
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<body>
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<section id="const">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3146958"><bookmark_value>Const statement</bookmark_value>
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</bookmark>
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<paragraph role="heading" id="hd_id3146958" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03100700.xhp" name="Const Statement [Runtime]">Const Statement [Runtime]</link></paragraph>
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<paragraph role="paragraph" id="par_id3154143" xml-lang="en-US" l10n="U" oldref="2">Defines a string as a constant.</paragraph>
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</section>
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<paragraph role="heading" id="hd_id3150670" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
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<paragraph role="paragraph" id="par_id3150984" xml-lang="en-US" l10n="U" oldref="4">Const Text = Expression</paragraph>
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<paragraph role="heading" id="hd_id3147530" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph>
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<paragraph role="paragraph" id="par_id3153897" xml-lang="en-US" l10n="U" oldref="6">
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<emph>Text:</emph> Any constant name that follows the standard variable naming conventions.</paragraph>
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<paragraph role="paragraph" id="par_id3147264" xml-lang="en-US" l10n="U" oldref="7">A constant is a variable that helps to improve the readability of a program. Constants are not defined as a specific type of variable, but rather are used as placeholders in the code. You can only define a constant once and it cannot be modified. Use the following statement to define a constant:</paragraph>
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<paragraph role="paragraph" id="par_id3150542" xml-lang="en-US" l10n="U" oldref="8">CONST ConstName=Expression</paragraph>
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<paragraph role="paragraph" id="par_id3150400" xml-lang="en-US" l10n="U" oldref="9">The type of expression is irrelevant. If a program is started, $[officename] Basic converts the program code internally so that each time a constant is used, the defined expression replaces it.</paragraph>
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<paragraph role="heading" id="hd_id3154366" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph>
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<paragraph role="paragraph" id="par_id3145420" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleConst</paragraph>
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<paragraph role="paragraph" id="par_id3154217" xml-lang="en-US" l10n="U" oldref="12">Const iVar = 1964</paragraph>
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<paragraph role="paragraph" id="par_id3156281" xml-lang="en-US" l10n="U" oldref="13">Msgbox iVar</paragraph>
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<paragraph role="paragraph" id="par_id3153969" xml-lang="en-US" l10n="U" oldref="14">Const sVar = "Program", dVar As Double = 1.00</paragraph>
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<paragraph role="paragraph" id="par_id3149560" xml-lang="en-US" l10n="U" oldref="15">Msgbox sVar & " " & dVar</paragraph>
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<paragraph role="paragraph" id="par_id3153368" xml-lang="en-US" l10n="U" oldref="16">end sub</paragraph>
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</body>
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</helpdocument>
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