/// <summary>
/// Called when [media state changed].
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="oldValue">The old value.</param>
/// <param name="newValue">The new value.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public Task OnMediaStateChanged(MediaEngine sender, PlaybackStatus oldValue, PlaybackStatus newValue)
{
if (Parent == null)
{
return(Task.CompletedTask);
}
// Force a reportable position when the media state changes
Parent.ReportablePosition = sender.State.Position;
return(Parent.RaiseMediaStateChangedEvent(
(System.Windows.Controls.MediaState)oldValue,
(System.Windows.Controls.MediaState)newValue));
}
