Symphonary.NWGUI.HandleMIDIPlayingCompleted C# (CSharp) Method

        private void HandleMIDIPlayingCompleted(object sender, EventArgs e)
        {
            Dispatcher.BeginInvoke(DispatcherPriority.Normal,
                                   new Action(delegate
                                                  {
                                                      debugConsole.ChangeText("");
                                                      Stop.IsEnabled = false;
                                                      Stop.Width = 0;
                                                      ScoreDisplay.Width = 0;
                                                      FPS.Header = "";
                                                      Instruments.IsEnabled = true;
                                                      Instrument_Clicked(instrument);
                                                      //muteSelectedChannel.Width = 0;
                                                      //muteSelectedChannel.Header = "";
                                                      HideSubCanvas();
                                                      normal.Visibility = Visibility.Visible;
                                                      b_AnimationStarted = false;
                                                      Background.Visibility = Visibility.Hidden;
                                                      muteSelectedChannel.Visibility = Visibility.Collapsed;
                                                      pause.Visibility = Visibility.Collapsed;
                                                      CompositionTarget.Rendering -= MoveCanvas;
                                                      CompositionTarget.Rendering -= CanvasNotesScheduledAdder;
                                                  }));
        }