System.Windows.Interop.D3DImage.SubscribeToCommittingBatch C# (CSharp) Method

        private void SubscribeToCommittingBatch()
        {
            if (!_isWaitingForPresent)
            {             
                // Suppose this D3DImage is not on the main UI thread. This thread will
                // never commit a batch so we don't want to add an event handler to it
                // since it will never get removed
                MediaContext mediaContext = MediaContext.From(Dispatcher);

                if (_duceResource.IsOnChannel(mediaContext.Channel))
                {
                    mediaContext.CommittingBatch += _sendPresentDelegate;
                    _isWaitingForPresent = true;
                }
            }
        }