virtual void get_value_vfunc (const Gtk::TreeModel::iterator& iter, int column, Glib::ValueBase& value)const;
virtual bool row_draggable_vfunc (const TreeModel::Path& path)const;
virtual void get_value_vfunc (const Gtk::TreeModel::iterator& iter, int column, Glib::ValueBase& value)const;
virtual bool row_draggable_vfunc (const TreeModel::Path& path)const;