Kinect.KinectManager.DetectGesture C# (CSharp) Method

        public void DetectGesture(Int64 UserId, KinectGestures.Gestures gesture)
        {
            List<KinectGestures.GestureData> gesturesData = playerGesturesData.ContainsKey(UserId) ? playerGesturesData[UserId] : new List<KinectGestures.GestureData>();
            int index = GetGestureIndex(gesture, ref gesturesData);

            if (index >= 0)
            {
                DeleteGesture(UserId, gesture);
            }

            KinectGestures.GestureData gestureData = new KinectGestures.GestureData();

            gestureData.userId = UserId;
            gestureData.gesture = gesture;
            gestureData.state = 0;
            gestureData.joint = 0;
            gestureData.progress = 0f;
            gestureData.complete = false;
            gestureData.cancelled = false;

            gestureData.checkForGestures = new List<KinectGestures.Gestures>();
            switch (gesture)
            {
                case KinectGestures.Gestures.ZoomIn:
                    gestureData.checkForGestures.Add(KinectGestures.Gestures.ZoomOut);
                    gestureData.checkForGestures.Add(KinectGestures.Gestures.Wheel);
                    break;

                case KinectGestures.Gestures.ZoomOut:
                    gestureData.checkForGestures.Add(KinectGestures.Gestures.ZoomIn);
                    gestureData.checkForGestures.Add(KinectGestures.Gestures.Wheel);
                    break;

                case KinectGestures.Gestures.Wheel:
                    gestureData.checkForGestures.Add(KinectGestures.Gestures.ZoomIn);
                    gestureData.checkForGestures.Add(KinectGestures.Gestures.ZoomOut);
                    break;
            }

            gesturesData.Add(gestureData);
            playerGesturesData[UserId] = gesturesData;

            if (!gesturesTrackingAtTime.ContainsKey(UserId))
            {
                gesturesTrackingAtTime[UserId] = 0f;
            }
        }