action->set_param("canvas",canvas);
action->set_param("canvas_interface",etl::loose_handle<synfigapp::CanvasInterface>(get_canvas_interface()));
action->set_param("layer",layer);
action->set_param("new_index",depth);
action->set_param("canvas",canvas);
action->set_param("canvas_interface",etl::loose_handle<synfigapp::CanvasInterface>(get_canvas_interface()));
action->set_param("layer",layer);
action->set_param("new_index",depth);