private static void OnVideoSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            CustomMediaPlayerControl owner = (CustomMediaPlayerControl)d;

            if (owner._videoPlayer != null)
            {
                var videoUrl = e.NewValue.ToString();
                videoUrl = videoUrl.Replace("https://", string.Empty);
                var videoUri = new Uri(videoUrl, UriKind.RelativeOrAbsolute);
                owner._videoPlayer.Source = videoUri;
            }
        }
        private static void OnFullScreenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            CustomMediaPlayerControl owner = (CustomMediaPlayerControl)d;

            if ((bool)e.NewValue == true)
            {
                VisualStateManager.GoToState(owner, "FullScreen", true);
            }
            else
            {
                VisualStateManager.GoToState(owner, "NormalScreen", true);
            }
        }