insert_box->set_route (_route);
_route->processors_changed.connect (*this, invalidator (*this), boost::bind (&MonitorSection::processors_changed, this, _1), gui_context());
_route->output()->PortCountChanged.connect (output_changed_connections, invalidator (*this), boost::bind (&MonitorSection::populate_buttons, this), gui_context());
insert_box->set_route (_route);
_route->processors_changed.connect (*this, invalidator (*this), boost::bind (&MonitorSection::processors_changed, this, _1), gui_context());
_route->output()->PortCountChanged.connect (output_changed_connections, invalidator (*this), boost::bind (&MonitorSection::populate_buttons, this), gui_context());