public MainWindow() { InitializeComponent(); Instance = this; DG_TabLastMusic.ItemsSource = LM.Load(); myThread = new Thread(new ThreadStart(loadAlb)); myThread.Start(); SliderPlay.AddHandler(MouseLeftButtonUpEvent, new MouseButtonEventHandler(timeSlider_MouseLeftButtonUp), true); SliderPlay.AddHandler(MouseLeftButtonDownEvent, new MouseButtonEventHandler(timeSlider_MouseLeftButtonDown), true); }