1*cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2*cdf0e10cSrcweir 3*cdf0e10cSrcweir 4*cdf0e10cSrcweir<!--*********************************************************************** 5*cdf0e10cSrcweir * 6*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 7*cdf0e10cSrcweir * 8*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 9*cdf0e10cSrcweir * 10*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 11*cdf0e10cSrcweir * 12*cdf0e10cSrcweir * This file is part of OpenOffice.org. 13*cdf0e10cSrcweir * 14*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 15*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 16*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 17*cdf0e10cSrcweir * 18*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 19*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 20*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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If not, see 26*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 27*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 28*cdf0e10cSrcweir * 29*cdf0e10cSrcweir ************************************************************************--> 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir<helpdocument version="1.0"> 32*cdf0e10cSrcweir<meta> 33*cdf0e10cSrcweir<topic id="textsbasicshared03100700xml" indexer="include" status="PUBLISH"> 34*cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Const Statement [Runtime]</title> 35*cdf0e10cSrcweir<filename>/text/sbasic/shared/03100700.xhp</filename> 36*cdf0e10cSrcweir</topic> 37*cdf0e10cSrcweir<history> 38*cdf0e10cSrcweir<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> 39*cdf0e10cSrcweir<lastedited date="2004-08-24T10:34:44">converted from old format - fpe</lastedited> 40*cdf0e10cSrcweir</history> 41*cdf0e10cSrcweir</meta> 42*cdf0e10cSrcweir<body> 43*cdf0e10cSrcweir<section id="const"> 44*cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3146958"><bookmark_value>Const statement</bookmark_value> 45*cdf0e10cSrcweir</bookmark> 46*cdf0e10cSrcweir<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> 47*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154143" xml-lang="en-US" l10n="U" oldref="2">Defines a string as a constant.</paragraph> 48*cdf0e10cSrcweir</section> 49*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3150670" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 50*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150984" xml-lang="en-US" l10n="U" oldref="4">Const Text = Expression</paragraph> 51*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3147530" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph> 52*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153897" xml-lang="en-US" l10n="U" oldref="6"> 53*cdf0e10cSrcweir<emph>Text:</emph> Any constant name that follows the standard variable naming conventions.</paragraph> 54*cdf0e10cSrcweir<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> 55*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150542" xml-lang="en-US" l10n="U" oldref="8">CONST ConstName=Expression</paragraph> 56*cdf0e10cSrcweir<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> 57*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3154366" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph> 58*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145420" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleConst</paragraph> 59*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154217" xml-lang="en-US" l10n="U" oldref="12">Const iVar = 1964</paragraph> 60*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156281" xml-lang="en-US" l10n="U" oldref="13">Msgbox iVar</paragraph> 61*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153969" xml-lang="en-US" l10n="U" oldref="14">Const sVar = "Program", dVar As Double = 1.00</paragraph> 62*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149560" xml-lang="en-US" l10n="U" oldref="15">Msgbox sVar & " " & dVar</paragraph> 63*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153368" xml-lang="en-US" l10n="U" oldref="16">end sub</paragraph> 64*cdf0e10cSrcweir</body> 65*cdf0e10cSrcweir</helpdocument> 66