+void
+PannerUI::set_send_drawing_mode (bool onoff)
+{
+ if (_stereo_panner) {
+ _stereo_panner->set_send_drawing_mode (onoff);
+ } else if (_mono_panner) {
+ _mono_panner->set_send_drawing_mode (onoff);
+ } else if (twod_panner) {
+ twod_panner->set_send_drawing_mode (onoff);
+ }
+ _send_mode = onoff;
+}
+