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diff --git a/helpcontent2/source/text/sbasic/shared/03100700.xhp b/helpcontent2/source/text/sbasic/shared/03100700.xhp new file mode 100644 index 000000000..14d00c83b --- /dev/null +++ b/helpcontent2/source/text/sbasic/shared/03100700.xhp @@ -0,0 +1,75 @@ +<?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="textsbasicshared03100700xml" indexer="include" status="PUBLISH"> + <title id="tit" xml-lang="en-US">Const Statement</title> + <filename>/text/sbasic/shared/03100700.xhp</filename> + </topic> +</meta> + +<body> + +<section id="const"> +<bookmark xml-lang="en-US" branch="index" id="bm_id3146958"> + <bookmark_value>Const statement</bookmark_value> +</bookmark> + +<paragraph id="hd_id3146958" role="heading" level="1" xml-lang="en-US"><link href="text/sbasic/shared/03100700.xhp" name="Const Statement">Const Statement</link></paragraph> +<paragraph id="par_id3154143" role="paragraph" xml-lang="en-US">Defines one or more identifiers as constants.</paragraph> +</section> +<paragraph id="par_id3147264" role="paragraph" xml-lang="en-US">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.</paragraph> + +<embed href="text/sbasic/shared/00000003.xhp#functsyntax"/> +<paragraph role="image" id="par_id831588865616326"> + <image src="media/helpimg/sbasic/Const_statement.svg" id="img_id651588865616326"><alt id="alt_id281588865616326">Const syntax</alt></image> +</paragraph> +<bascode> +<paragraph id="par_id3150984" role="bascode" xml-lang="en-US">[Global|Private|Public] Const name = expression[, ...]</paragraph> +</bascode> + +<embed href="text/sbasic/shared/00000003.xhp#functparameters"/> + <paragraph id="par_id3153897" role="paragraph"> <emph>name:</emph> Any identifier that follows the standard variable naming conventions.</paragraph> +<paragraph role="paragraph" id="par_id791593689338208"><emph>expression:</emph> Any literal expression. </paragraph> +<paragraph id="par_id3150400" role="paragraph" xml-lang="en-US">The data type must be omitted. When a library gets loaded in memory, %PRODUCTNAME Basic converts the program code internally so that each time a constant is used, the defined expression replaces it.</paragraph> +<h3 id="hd_id51593690561479">Scope</h3> +<paragraph role="paragraph" id="par_id431593690612961">By default constants are defined as private in modules and routines. Constants can be made public or global in order to be used from all modules, from all Basic libraries.</paragraph> +<paragraph role="paragraph" id="par_id241593693307830"><literal>Global</literal>, <literal>Private</literal> and <literal>Public</literal> specifiers can only be used for module constants.</paragraph> +<embed href="text/sbasic/shared/00000003.xhp#functexample"/> +<bascode> + <paragraph role="bascode" id="bas_id911593692598060" xml-lang="en-US">Const EARTH = "♁" ' module scope</paragraph> + <paragraph role="bascode" id="bas_id441593692601125" xml-lang="en-US">Private Const MOON = "☾" ' module scope</paragraph> + <paragraph role="bascode" id="bas_id161593692601597" xml-lang="en-US">Public Const VENUS="♀", MARS="♂" ' general scope</paragraph> + <paragraph role="bascode" id="bas_id581593692602046" xml-lang="en-US">Global Const SUN = "☉", STAR = "☆" ' general scope</paragraph> + <paragraph role="bascode" id="bas_id711593692602477" localize="false"></paragraph> + <paragraph id="par_idm1341161984" role="bascode" localize="false">Sub ExampleConst</paragraph> + <paragraph id="par_idm1341160752" role="bascode" xml-lang="en-US"> Const SUN = 3 * 1.456 / 56 ' SUN is local</paragraph> + <paragraph id="par_idm1341159520" role="bascode" xml-lang="en-US"> MsgBox SUN,, MOON ' SUN global constant is unchanged</paragraph> + <paragraph id="par_id3153969" role="bascode" localize="false"> Const Pgm = "Program", Var = 1.00</paragraph> + <paragraph id="par_idm1341156544" role="bascode" localize="false"> MsgBox Pgm & " " & Var, , VENUS &" and "& MARS</paragraph> + <paragraph id="par_idm1341155296" role="bascode" localize="false">End Sub</paragraph> +</bascode> +<section id="relatedtopics"> + <paragraph role="paragraph" id="par_id111593694878677"><link href="text/sbasic/shared/enum.xhp" name="Enum">Enum</link> statement</paragraph> + <paragraph role="paragraph" id="par_id111953694878677"><link href="text/sbasic/shared/03090413.xhp" name="Enum">Type</link> statement</paragraph> +</section> + +</body> +</helpdocument>
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