Gtk::TreeModel::RowReference last_row;
void freeze_tree_model ();
void thaw_tree_model ();
void region_changed (boost::shared_ptr<ARDOUR::Region>, PBD::PropertyChange const &);
void selection_changed ();
Gtk::TreeModel::RowReference last_row;
void freeze_tree_model ();
void thaw_tree_model ();
void region_changed (boost::shared_ptr<ARDOUR::Region>, PBD::PropertyChange const &);
void selection_changed ();