我想要在kinect中获得关节的坐标,我正在使用这个代码,但它在这行Skeleton skeleton = (from s in skeletons where s.TrackingState == SkeletonTrackingState.Tracked select s)上给出了错误; public void AllFramesReady(object sender, AllFramesReadyEventArgs e)System.IO.FileStream fs = new System.IO.FileStream(@"C:\Users\MUDASSIR AH