K2MFw‖

9FWFc‖Declare Statement

DsxFE‖

doBTG‖Declares and defines a subroutine in a DLL file that you want to execute from LibreOfficeDev Basic.

zD3YU‖See also: FreeLibrary

X9NcC‖Syntax:


eSZ4v‖Declare {Sub | Function} Name Lib "Libname" [Alias "Aliasname"] [Parameter] [As Type]

eUtD2‖Parameters:

PpcP9‖ Name: A different name than defined in the DLL, to call the subroutine from LibreOfficeDev Basic.

kn7cx‖ Aliasname: Name of the subroutine as defined in the DLL.

JYFGa‖ Libname: File or system name of the DLL. This library is automatically loaded the first time the function is used.

PREVE‖ Argumentlist: 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.

c6CFQ‖ Type: 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.

Warning Icon

SDREj‖To pass a parameter to a subroutine as a value instead of as a reference, the parameter must be indicated by the keyword ByVal.


NcnDt‖Example:


Declare Sub MyMessageBeep Lib "user32.dll" Alias "MessageBeep" ( Long )
Sub ExampleDeclare
Dim lValue As Long
    lValue = 5000
    MyMessageBeep( lValue )
    FreeLibrary("user32.dll" )
End Sub