1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2cdf0e10cSrcweir 3cdf0e10cSrcweir 4*82a1df74SAndrew Rist<!--*********************************************************** 5cdf0e10cSrcweir * 6*82a1df74SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 7*82a1df74SAndrew Rist * or more contributor license agreements. See the NOTICE file 8*82a1df74SAndrew Rist * distributed with this work for additional information 9*82a1df74SAndrew Rist * regarding copyright ownership. The ASF licenses this file 10*82a1df74SAndrew Rist * to you under the Apache License, Version 2.0 (the 11*82a1df74SAndrew Rist * "License"); you may not use this file except in compliance 12*82a1df74SAndrew Rist * with the License. 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See the License for the 20*82a1df74SAndrew Rist * specific language governing permissions and limitations 21*82a1df74SAndrew Rist * under the License. 22*82a1df74SAndrew Rist * 23*82a1df74SAndrew Rist ***********************************************************--> 24*82a1df74SAndrew Rist 25*82a1df74SAndrew Rist 26cdf0e10cSrcweir 27cdf0e10cSrcweir<helpdocument version="1.0"> 28cdf0e10cSrcweir<meta> 29cdf0e10cSrcweir<topic id="textsbasicshared03090403xml" indexer="include" status="PUBLISH"> 30cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Declare Statement [Runtime]</title> 31cdf0e10cSrcweir<filename>/text/sbasic/shared/03090403.xhp</filename> 32cdf0e10cSrcweir</topic> 33cdf0e10cSrcweir<history> 34cdf0e10cSrcweir<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created> 35cdf0e10cSrcweir<lastedited date="2005-02-10T10:42:25">converted from old format - fpe</lastedited> 36cdf0e10cSrcweir</history> 37cdf0e10cSrcweir</meta> 38cdf0e10cSrcweir<body> 39cdf0e10cSrcweir<section id="declare"> 40cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3148473"><bookmark_value>Declare statement</bookmark_value> 41cdf0e10cSrcweir</bookmark> 42cdf0e10cSrcweir<paragraph role="heading" id="hd_id3148473" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03090403.xhp" name="Declare Statement [Runtime]">Declare Statement [Runtime]</link></paragraph> 43cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3145316"><bookmark_value>DLL (Dynamic Link Library)</bookmark_value> 44cdf0e10cSrcweir</bookmark> 45cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145316" xml-lang="en-US" l10n="CHG" oldref="2">Declares and defines a subroutine in a DLL file that you want to execute from $[officename] Basic.</paragraph> 46cdf0e10cSrcweir</section> 47cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3146795" xml-lang="en-US" l10n="U" oldref="3">See also: <link href="text/sbasic/shared/03090405.xhp" name="FreeLibrary">FreeLibrary</link></paragraph> 48cdf0e10cSrcweir<paragraph role="heading" id="hd_id3156344" xml-lang="en-US" level="2" l10n="U" oldref="4">Syntax:</paragraph> 49cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148664" xml-lang="en-US" l10n="U" oldref="5">Declare {Sub | Function} Name Lib "Libname" [Alias "Aliasname"] [Parameter] [As Type]</paragraph> 50cdf0e10cSrcweir<paragraph role="heading" id="hd_id3153360" xml-lang="en-US" level="2" l10n="U" oldref="6">Parameters:</paragraph> 51cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154140" xml-lang="en-US" l10n="U" oldref="8"> 52cdf0e10cSrcweir<emph>Name:</emph> A different name than defined in the DLL, to call the subroutine from $[officename] Basic.</paragraph> 53cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150870" xml-lang="en-US" l10n="U" oldref="9"> 54cdf0e10cSrcweir<emph>Aliasname</emph>: Name of the subroutine as defined in the DLL.</paragraph> 55cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154684" xml-lang="en-US" l10n="U" oldref="10"> 56cdf0e10cSrcweir<emph>Libname:</emph> File or system name of the DLL. This library is automatically loaded the first time the function is used.</paragraph> 57cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148452" xml-lang="en-US" l10n="U" oldref="11"> 58cdf0e10cSrcweir<emph>Argumentlist:</emph> List of parameters representing arguments that are passed to the procedure when it is called. The type and number of parameters is dependent on the executed procedure.</paragraph> 59cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147289" xml-lang="en-US" l10n="U" oldref="12"> 60cdf0e10cSrcweir<emph>Type:</emph> Defines the data type of the value that is returned by a function procedure. You can exclude this parameter if a type-declaration character is entered after the name.</paragraph> 61cdf0e10cSrcweir<paragraph role="warning" id="par_id3146922" xml-lang="en-US" l10n="U" oldref="13">To pass a parameter to a subroutine as a value instead of as a reference, the parameter must be indicated by the keyword <emph>ByVal</emph>.</paragraph> 62cdf0e10cSrcweir<paragraph role="heading" id="hd_id3153951" xml-lang="en-US" level="2" l10n="U" oldref="14">Example:</paragraph> 63cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154320" xml-lang="en-US" l10n="U" oldref="15">Declare Sub MyMessageBeep Lib "user32.dll" Alias "MessageBeep" ( long )</paragraph> 64cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150417" xml-lang="en-US" l10n="U" oldref="17">Sub ExampleDeclare</paragraph> 65cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149959" xml-lang="en-US" l10n="U" oldref="18">Dim lValue As Long</paragraph> 66cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145647" xml-lang="en-US" l10n="U" oldref="19">lValue = 5000</paragraph> 67cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145801" xml-lang="en-US" l10n="U" oldref="20">MyMessageBeep( lValue )</paragraph> 68cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145253" xml-lang="en-US" l10n="U" oldref="21">FreeLibrary("user32.dll" )</paragraph> 69cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149402" xml-lang="en-US" l10n="U" oldref="22">End Sub</paragraph> 70cdf0e10cSrcweir</body> 71cdf0e10cSrcweir</helpdocument> 72