// 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();
}