Symphonary.NWGUI.PreviewChannel_Clicked C# (CSharp) Method

        private void PreviewChannel_Clicked(object sender, RoutedEventArgs e)
        {
            midiPlayer.PersistentChannel = channelSelector.SelectedChannel;

            if (midiPlayer.PersistentChannel >= 0) {
                midiPlayer.StartPlaying();
                previewChannelButton.Foreground = Brushes.Green;
            }
        }