private void ResetGlass()
        {
            if (ParentWindow != null)
            {
                if (IsCompositionEnabled)
                {
                    ParentWindow.Background = orinalWindowBackground;
                    DesktopWindowManager.ResetGlass(HwndSource.Handle);
                }

                DesktopWindowManager.SetTitleAndIconVisibility(HwndSource.Handle, true);
            }
        }