private void ShowImageStream(IRandomAccessStreamWithContentType newStream)
        {
            // The incoming stream has image data.  Hide video controls/show image controls and set the image source

            _imageSource = new BitmapImage();

            //Callback to notify the receiver and then detach when the image has completed its loading
            RoutedEventHandler handler = null;

            handler = (o, eventArgs) =>
            {
                _receiver.NotifyLoadedMetadata();
                _imageSource.ImageOpened -= handler;
            };
            _imageSource.ImageOpened += handler;
            _imageSource.SetSource(newStream);

            // Toggle the visibility of the video/image controls if necessary
            if (_currentPlaybackType != PlaybackType.Image)
            {
                if (_currentPlaybackType == PlaybackType.Video)
                {
                    VideoPlayer.Stop();
                }

                ImagePlayer.Opacity = 1;
                VideoPlayer.Opacity = 0;
            }

            // Track the current playback type
            _currentPlaybackType = PlaybackType.Image;
        }
 void imagerevd_ImageOpened(object sender, RoutedEventArgs e)
 {
     receiver.NotifyLoadedMetadata();
 }