TrackCanvas *track_canvas = patch->patchbay->pane->canvas;
track_canvas->fill_ganged_autos(-1, change, track, current);
track_canvas->update_ganged_autos(0, track, current);
TrackCanvas *track_canvas = patch->patchbay->pane->canvas;
track_canvas->fill_ganged_autos(-1, change, track, current);
track_canvas->update_ganged_autos(0, track, current);