private void Player_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            if ((e.NewSize.Width <= 320 || e.NewSize.Height <= 240) && Bar.ControlBarSize != 32)
            {
                Bar.ControlBarSize = 32;
            }
            else if (e.NewSize.Width >= 320 && e.NewSize.Height >= 240 && Bar.ControlBarSize == 32)
            {
                Bar.ControlBarSize = 48;
            }
            if (e.NewSize.Width != ((FrameworkElement)VideoPlayer.Adornment).ActualWidth && ((FrameworkElement)VideoPlayer.Adornment).ActualWidth != 0)
            {
                Rect rect = new Rect(PointToScreen(new Point()),
                                     PointToScreen(new Point(ActualWidth, ActualHeight))
                                     );

                VideoPlayer.GetHwndAdorner().UpdateOwnerPosition(rect);
            }
        }