action->set_param("canvas",canvas_interface()->get_canvas());
action->set_param("canvas_interface",canvas_interface());
action->set_param("keyframe",keyframe);
action->set_param("delta",change_delta);
action->set_param("canvas",canvas_interface()->get_canvas());
action->set_param("canvas_interface",canvas_interface());
action->set_param("keyframe",keyframe);
action->set_param("delta",change_delta);