internal static void WindowAction(String title, IntPtr action)
        {
            IntPtr          appHwnd;
            Windowplacement wp = new Windowplacement();

            appHwnd = (IntPtr)FindWindow(null, title);
            GetWindowPlacement(appHwnd, ref wp);
            wp.ShowCmd = action;             // 1- Normal; 2 - Minimize; 3 - Maximize;
            SetWindowPlacement(appHwnd, ref wp);
        }
 internal static extern Boolean SetWindowPlacement(IntPtr hWnd, ref Windowplacement lpwndpl);