meter_ticks2_area.signal_expose_event().connect (sigc::mem_fun(*this, &MeterStrip::meter_ticks2_expose));
_route->DropReferences.connect (meter_route_connections, invalidator (*this), boost::bind (&MeterStrip::self_delete, this), gui_context());
meter_ticks2_area.signal_expose_event().connect (sigc::mem_fun(*this, &MeterStrip::meter_ticks2_expose));
_route->DropReferences.connect (meter_route_connections, invalidator (*this), boost::bind (&MeterStrip::self_delete, this), gui_context());