private void VideoViewer_TileClick(object sender, EventArgs e)
        {
            BaseContentEntity  content;
            VideoControlerPage controller;

            VideoViewer.FreeResourses();

            if (sender is ModelVideo)
            {
                content    = sender as ModelVideo;
                controller = new VideoControlerPage(content as ModelVideo);
            }
            else
            {
                content    = sender as ModelGame;
                controller = new VideoControlerPage(content as ModelGame);
            }
            App.Frame.Navigate(controller);
        }
 private void Page_Unloaded(object sender, RoutedEventArgs e)
 {
     VideoViewer.FreeResourses();
 }