KinectFirstSteps.cs

[STAThread]
static void Main()
{
    _nui = new Runtime();
    var app = new Application();
    var window = new Window();
    InitializeNui();    //Initializing the Runtime object and opening video streams
    CreateGUI(window); //Setting up a canvas to hold the RGB video and the image attached to the hand of captured person
    var skeletonFrameReadyObservable = Observable.FromEventPattern(_nui, "SkeletonFrameReady");
    var trackedSkeletons = from ev in skeletonFrameReadyObservable
                            from skel in ev.EventArgs.SkeletonFrame.Skeletons
                            where skel.TrackingState == SkeletonTrackingState.Tracked
                            select skel;
    var rightHandPos = trackedSkeletons.ObserveOnDispatcher().Select(s => getDisplayPosition(s.Joints[JointID.HandRight]));
    rightHandPos.ObserveOnDispatcher().Subscribe(pos =>
    {
        _image.SetValue(Canvas.TopProperty, pos.Y);
        _image.SetValue(Canvas.LeftProperty, pos.X);
        Console.WriteLine(pos.X + ", " + pos.Y);
    });

    var videoFrameReadyObservable = Observable.FromEventPattern(_nui, "VideoFrameReady");
    videoFrameReadyObservable.ObserveOnDispatcher().Subscribe(evPattern =>
    {
        PlanarImage Image = evPattern.EventArgs.ImageFrame.Image;
        _video.Source = BitmapSource.Create(Image.Width, Image.Height, 96, 96, PixelFormats.Bgr32, null, Image.Bits, Image.Width * Image.BytesPerPixel);
    });
    app.Run(window);
}