Option Compare Database
Option Explicit
 
Public Declare Function CreateRectRgn Lib "gdi32" (ByVal X1 As Long, _
    ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long
Public Declare Function CreateRoundRectRgn Lib "gdi32" (ByVal X1 As Long, _
    ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long, ByVal X3 As Long, _
    ByVal Y3 As Long) As Long
Declare Function CombineRgn Lib "gdi32" (ByVal hDestRgn As Long, _
    ByVal hSrcRgn1 As Long, ByVal hSrcRgn2 As Long, _
    ByVal nCombineMode As Long) As Long
Public Declare Function SetWindowRgn Lib "user32" (ByVal hwnd As Long, _
    ByVal hRgn As Long, ByVal bRedraw As Boolean) As Long
Public Const RGN_AND = 1
Public Const RGN_COPY = 5
Public Const RGN_DIFF = 4
Public Const RGN_OR = 2
Public Const RGN_XOR = 3
 
Public Function degistir()
Dim rgn1 As Long, rgn2 As Long
 
   rgn1 = CreateRectRgn(0, 0, 1, 1)
   CombineRgn rgn1, rgn1, rgn2, RGN_OR
   SetWindowRgn Application.hWndAccessApp, rgn1, True
End Function

call degistir