private void SetPlayback(IPlayback playback)
        {
            Output.WriteLine($"{playback.GetType().Name} playback selected");
            Output.WriteLine("Set playback to mobile...");
            Mobile.PlaybackComponent = playback;
            Output.WriteLine("Play sound in mobile:");
            var data = new object();

            Mobile.Play(data);
            Output.WriteLine("");
        }
        private void buttonPlaybackUnplug_Click(object sender, System.EventArgs e)
        {
            IPlayback unpluggedPlayback = mobile.PlaybackComponent;

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

            UpdateOutputEnabled();
        }