تبدیل فرم به صورت دایره

Private Declare Function SendMessage Lib "USER32" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long Private Declare Function ReleaseCapture Lib "USER32" () As Long 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() SetWindowRgn hWnd, CreateEllipticRgn(0, 0, 200, 200), True End Sub Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single) MousePointer = 15 Call ReleaseCapture Call SendMessage(hWnd, &HA1, 2, 0&) MousePointer = 1 End Sub