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| <helpdocument version="1.0"> |
| <meta> |
| <topic id="textsbasicshared03090403xml" indexer="include" status="PUBLISH"> |
| <title id="tit" xml-lang="en-US">Declare Statement [Runtime]</title> |
| <filename>/text/sbasic/shared/03090403.xhp</filename> |
| </topic> |
| </meta> |
| <body> |
| <section id="declare"> |
| <bookmark xml-lang="en-US" branch="index" id="bm_id3148473"> |
| <bookmark_value>Declare statement</bookmark_value> |
| </bookmark> |
| <paragraph role="heading" id="hd_id3148473" xml-lang="en-US" level="1" l10n="U"><link href="text/sbasic/shared/03090403.xhp" name="Declare Statement [Runtime]">Declare Statement [Runtime]</link></paragraph> |
| <bookmark xml-lang="en-US" branch="index" id="bm_id3145316"> |
| <bookmark_value>DLL (Dynamic Link Library)</bookmark_value> |
| </bookmark> |
| <paragraph role="paragraph" id="par_id3145316" xml-lang="en-US" l10n="CHG">Declares and defines a subroutine in a DLL file that you want to execute from $[officename] Basic.</paragraph> |
| </section> |
| <paragraph role="paragraph" id="par_id3146795" xml-lang="en-US" l10n="U">See also: <link href="text/sbasic/shared/03090405.xhp" name="FreeLibrary">FreeLibrary</link></paragraph> |
| <paragraph role="heading" id="hd_id3156344" xml-lang="en-US" level="2" l10n="U">Syntax:</paragraph> |
| <paragraph role="paragraph" id="par_id3148664" xml-lang="en-US" l10n="U">Declare {Sub | Function} Name Lib "Libname" [Alias "Aliasname"] [Parameter] [As Type]</paragraph> |
| <paragraph role="heading" id="hd_id3153360" xml-lang="en-US" level="2" l10n="U">Parameters:</paragraph> |
| <paragraph role="paragraph" id="par_id3154140" xml-lang="en-US" l10n="U"><emph>Name:</emph> A different name than defined in the DLL, to call the subroutine from $[officename] Basic.</paragraph> |
| <paragraph role="paragraph" id="par_id3150870" xml-lang="en-US" l10n="U"><emph>Aliasname:</emph> Name of the subroutine as defined in the DLL.</paragraph> |
| <paragraph role="paragraph" id="par_id3154684" xml-lang="en-US" l10n="U"><emph>Libname:</emph> File or system name of the DLL. This library is automatically loaded the first time the function is used.</paragraph> |
| <paragraph role="paragraph" id="par_id3148452" xml-lang="en-US" l10n="U"><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> |
| <paragraph role="paragraph" id="par_id3147289" xml-lang="en-US" l10n="U"><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> |
| <paragraph role="warning" id="par_id3146922" xml-lang="en-US" l10n="U">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> |
| <paragraph role="heading" id="hd_id3153951" xml-lang="en-US" level="2" l10n="U">Example:</paragraph> |
| <paragraph role="paragraph" id="par_id3154320" xml-lang="en-US" l10n="U">Declare Sub MyMessageBeep Lib "user32.dll" Alias "MessageBeep" ( long )</paragraph> |
| <paragraph role="paragraph" id="par_id3150417" xml-lang="en-US" l10n="U">Sub ExampleDeclare</paragraph> |
| <paragraph role="paragraph" id="par_id3149959" xml-lang="en-US" l10n="U">Dim lValue As Long</paragraph> |
| <paragraph role="paragraph" id="par_id3145647" xml-lang="en-US" l10n="U">lValue = 5000</paragraph> |
| <paragraph role="paragraph" id="par_id3145801" xml-lang="en-US" l10n="U">MyMessageBeep( lValue )</paragraph> |
| <paragraph role="paragraph" id="par_id3145253" xml-lang="en-US" l10n="U">FreeLibrary("user32.dll" )</paragraph> |
| <paragraph role="paragraph" id="par_id3149402" xml-lang="en-US" l10n="U">End Sub</paragraph> |
| </body> |
| </helpdocument> |
