KinectSdk V2, be sure of lifecycle of objects

KinectSdkV2FrameLifeCycle

        static void _bodyFrameReader_FrameArrived(object sender, BodyFrameArrivedEventArgs e)
        {
            var frame = e.FrameReference.AcquireFrame();
            if (null == frame) return;

            using (frame)
            {
                frame.GetAndRefreshBodyData(_bodies);

                foreach (var body in _bodies)
                {
                    if (null != body && body.IsTracked)
                    {
                        var msg = "Left:" + body.HandLeftState + " Right:" + body.HandRightState;
                        Console.WriteLine(msg);
                    }
                }
            }
        }
		
		static void _bodyFrameReader_FrameArrived(object sender, BodyFrameArrivedEventArgs e)
        {
            var frame = e.FrameReference.AcquireFrame();
            if (null == frame) return;

			frame.GetAndRefreshBodyData(_bodies);

			foreach (var body in _bodies)
			{
				if (null != body && body.IsTracked)
				{
					var msg = "Left:" + body.HandLeftState + " Right:" + body.HandRightState;
					Console.WriteLine(msg);
				}
			}
        }