public PlayerWindow() { InitializeComponent(); PlaylistWindow = new PlaylistWindow(); NativeWindow natRef = new NativeWindow(); natRef.AssignHandle(this.Handle); PlaylistWindow.Show(natRef); PlaylistWindow.Visible = false; Rectangle ScreenBounds = Screen.FromHandle(this.Handle).Bounds; Program.snappingManager.bounds[IntPtr.Zero] = ScreenBounds; trackBar1_ValueChanged(trackBar1, null); }