internal virtual void UpdateBitmapSourceResource(DUCE.Channel channel, bool skipOnChannelCheck)
        {
            if (_needsUpdate)
            {
                _convertedDUCEPtr = null;
                _needsUpdate = false;
            }

            // If we're told we can skip the channel check, then we must be on channel
            Debug.Assert(!skipOnChannelCheck || _duceResource.IsOnChannel(channel));

            if (skipOnChannelCheck || _duceResource.IsOnChannel(channel))
            {
                // We may end up loading in the bitmap bits so it's necessary to take the [....] lock here.
                lock (_syncObject)
                {
                    channel.SendCommandBitmapSource(
                        _duceResource.GetHandle(channel),
                        DUCECompatiblePtr
                        );
                }
            }
        }