// Timer and event public MainWindow() { InitializeComponent(); myStageControl.Initialize(); _myStage = myStageControl.Stage; _JoyStick = new XGamepadDemo.XBoxJoyStick(); _JoyStick.Initialize(0); _JoyStick.Stage = _myStage; timer = new DispatcherTimer(); timer.Interval = new TimeSpan(0, 0, 0, 0, 100); timer.Tick += new EventHandler(OnTick); timer.Start(); }