/// <summary>
/// Handler for the system transport controls button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void SystemMediaControls_ButtonPressed(SystemMediaTransportControls sender, SystemMediaTransportControlsButtonPressedEventArgs e)
{
switch (e.Button)
{
case SystemMediaTransportControlsButton.Play:
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
Scenario6MediaElement.Play();
});
break;
case SystemMediaTransportControlsButton.Pause:
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
Scenario6MediaElement.Pause();
});
break;
case SystemMediaTransportControlsButton.Stop:
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
Scenario6MediaElement.Stop();
});
break;
default:
break;
}
}
/// <summary>
/// Click handler for the "Select a media file" button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void OpenFileButton_Click(object sender, RoutedEventArgs e)
{
FileOpenPicker fileOpenPicker = new FileOpenPicker();
// Filter to include a sample subset of file types
fileOpenPicker.FileTypeFilter.Add(".wmv");
fileOpenPicker.FileTypeFilter.Add(".mp4");
fileOpenPicker.FileTypeFilter.Add(".mp3");
fileOpenPicker.FileTypeFilter.Add(".wma");
fileOpenPicker.SuggestedStartLocation = PickerLocationId.VideosLibrary;
StorageFile file = await fileOpenPicker.PickSingleFileAsync();
// Ensure a file was selected
if (file != null)
{
MediaPlaybackType mediaPlaybackType;
if ((file.FileType == ".mp4") || (file.FileType == ".wmv"))
{
mediaPlaybackType = MediaPlaybackType.Video;
}
else
{
mediaPlaybackType = MediaPlaybackType.Music;
}
// Inform the system transport controls of the media information
if (!(await systemMediaControls.DisplayUpdater.CopyFromFileAsync(mediaPlaybackType, file)))
{
// Problem extracting metadata- just clear everything
systemMediaControls.DisplayUpdater.ClearAll();
}
systemMediaControls.DisplayUpdater.Update();
IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.Read);
// Set the selected file as the MediaElement's source
Scenario6MediaElement.SetSource(stream, file.ContentType);
}
}
