- MidiGhostRegion(TimeAxisViewPtr tv, TimeAxisViewPtr source_tv, double initial_unit_pos);
- MidiGhostRegion(MidiStreamView& msv, TimeAxisViewPtr source_tv, double initial_unit_pos);
+ MidiGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
+ MidiGhostRegion(MidiStreamView& msv, TimeAxisView& source_tv, double initial_unit_pos);