private void buttonPlaybackUnplug_Click(object sender, System.EventArgs e)
        {
            PlaybackBase unpluggedPlayback = mobile.PlaybackComponent;

            mobile.PlaybackComponent = null;
            if (unpluggedPlayback != null)
            {
                output.WriteLine($"{unpluggedPlayback.GetType().Name} unplugged.");
            }

            UpdateOutputEnabled();
        }