Declare Statement

Proglašava i definira potprogram u DLL fileu iz kojeg želite da pokrenete LibreOfficeDev Basic.

Pogledaj također: FreeLibrary

Syntax:


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

Parameters:

Ime: Drukcije ime od onoga datog u DLL, da pozovete potprogram iz LibreOfficeDev Basic.

Aliasname:ime potprograma je datu u DLL.

Libname: Datoteke ili sustav naziva DLL. Ova biblioteka je automatski učita prvi put da se koristi funkcija.

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.

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.

da bi proslijedili parametar potprograma kao vrijednost, a ne kao referenca, parametar mora biti označen ključne riječi ByVal .

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

Example 2


  REM When passing arrays by reference, do not specify the type of its elements.
  Declare Function GetDiag Lib "C:\\...\\Math.dll" _
     Alias "GetDiag" ( _
     ByVal varName As String, _
     A, _
     ByVal len As Long, _
     ByVal FunctionName As String, _
     B, _
     C) As Long
Sub MyCode
  Dim A(100) As Long, B(100) As Long, C(100) As Long ' arrays
  R = GetDiag("f", A, 100, "g", B, C)
  Print R
End Sub