public MainWindow()
{
InitializeComponent();
//Runtime initialization is handled when the window is opened. When the window
//is closed, the runtime MUST be unitialized.
this.Loaded += new RoutedEventHandler(MainWindow_Loaded);
this.Unloaded += new RoutedEventHandler(MainWindow_Unloaded);
sensor.ColorStream.Enable();
sensor.SkeletonStream.Enable();
cs.start();
}