//Begin to detect the gesture
 private void BeginDetectMode()
 {
     gestureRig.BeginDetect();
 }
 /// <summary>
 /// 开始手势识别
 /// </summary>
 protected void BeginRecognition()
 {
     gestureRig.BeginDetect();
 }
 // called when detect mode begins
 public void BeginDetectMode()
 {
     rig.BeginDetect();
 }