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 ); } } }