Programalama > VISUAL BASIC

Private Declare Function CreateEllipticRgn Lib "gdi32" _
(ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, _
ByVal Y2 As Long) As Long

Private Declare Function SetWindowRgn Lib "user32" _
(ByVal hWnd As Long, ByVal hRgn As Long, _
ByVal bRedraw As Boolean) As Long

Private Sub Form_Load()
Show
SetWindowRgn hWnd, CreateEllipticRgn(10, 10, 300, 200), True
End Sub