action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("layer",new_layer);
action->set_param("new_index",target_depth);
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("layer",new_layer);
action->set_param("new_index",target_depth);