1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?>
2cdf0e10cSrcweir
3cdf0e10cSrcweir
4*d33d0967SAndrew Rist<!--***********************************************************
5cdf0e10cSrcweir *
6*d33d0967SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
7*d33d0967SAndrew Rist * or more contributor license agreements.  See the NOTICE file
8*d33d0967SAndrew Rist * distributed with this work for additional information
9*d33d0967SAndrew Rist * regarding copyright ownership.  The ASF licenses this file
10*d33d0967SAndrew Rist * to you under the Apache License, Version 2.0 (the
11*d33d0967SAndrew Rist * "License"); you may not use this file except in compliance
12*d33d0967SAndrew Rist * with the License.  You may obtain a copy of the License at
13*d33d0967SAndrew Rist *
14*d33d0967SAndrew Rist *   http://www.apache.org/licenses/LICENSE-2.0
15*d33d0967SAndrew Rist *
16*d33d0967SAndrew Rist * Unless required by applicable law or agreed to in writing,
17*d33d0967SAndrew Rist * software distributed under the License is distributed on an
18*d33d0967SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
19*d33d0967SAndrew Rist * KIND, either express or implied.  See the License for the
20*d33d0967SAndrew Rist * specific language governing permissions and limitations
21*d33d0967SAndrew Rist * under the License.
22*d33d0967SAndrew Rist *
23*d33d0967SAndrew Rist ***********************************************************-->
24*d33d0967SAndrew Rist
25*d33d0967SAndrew Rist
26cdf0e10cSrcweir
27cdf0e10cSrcweir<helpdocument version="1.0">
28cdf0e10cSrcweir<meta>
29cdf0e10cSrcweir<topic id="textsbasicshared03100700xml" indexer="include" status="PUBLISH">
30cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Const Statement [Runtime]</title>
31cdf0e10cSrcweir<filename>/text/sbasic/shared/03100700.xhp</filename>
32cdf0e10cSrcweir</topic>
33cdf0e10cSrcweir<history>
34cdf0e10cSrcweir<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
35cdf0e10cSrcweir<lastedited date="2004-08-24T10:34:44">converted from old format - fpe</lastedited>
36cdf0e10cSrcweir</history>
37cdf0e10cSrcweir</meta>
38cdf0e10cSrcweir<body>
39cdf0e10cSrcweir<section id="const">
40cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3146958"><bookmark_value>Const statement</bookmark_value>
41cdf0e10cSrcweir</bookmark>
42cdf0e10cSrcweir<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>
43cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154143" xml-lang="en-US" l10n="U" oldref="2">Defines a string as a constant.</paragraph>
44cdf0e10cSrcweir</section>
45cdf0e10cSrcweir<paragraph role="heading" id="hd_id3150670" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
46cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150984" xml-lang="en-US" l10n="U" oldref="4">Const Text = Expression</paragraph>
47cdf0e10cSrcweir<paragraph role="heading" id="hd_id3147530" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph>
48cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153897" xml-lang="en-US" l10n="U" oldref="6">
49cdf0e10cSrcweir<emph>Text:</emph> Any constant name that follows the standard variable naming conventions.</paragraph>
50cdf0e10cSrcweir<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>
51cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150542" xml-lang="en-US" l10n="U" oldref="8">CONST ConstName=Expression</paragraph>
52cdf0e10cSrcweir<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>
53cdf0e10cSrcweir<paragraph role="heading" id="hd_id3154366" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph>
54cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145420" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleConst</paragraph>
55cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154217" xml-lang="en-US" l10n="U" oldref="12">Const iVar = 1964</paragraph>
56cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3156281" xml-lang="en-US" l10n="U" oldref="13">Msgbox iVar</paragraph>
57cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153969" xml-lang="en-US" l10n="U" oldref="14">Const sVar = "Program", dVar As Double = 1.00</paragraph>
58cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149560" xml-lang="en-US" l10n="U" oldref="15">Msgbox sVar &amp; " " &amp; dVar</paragraph>
59cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153368" xml-lang="en-US" l10n="U" oldref="16">end sub</paragraph>
60cdf0e10cSrcweir</body>
61cdf0e10cSrcweir</helpdocument>
62