codice:Private Declare Function GetForegroundWindow Lib "user32" () As Long Private Declare Function Ellipse Lib "gdi32" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long Private Sub Form_Activate() Dim Ret As Long Do 'trova dove disegnare Ret = GetForegroundWindow() 'trova l'handle Ret = GetDC(Ret) 'disegna x,y,base, altezza Ellipse Ret, 0, 0, 200, 200 DoEvents Loop End Sub