Method change

src/menu.rs:215–222

(&mut self, props: Self::Properties)

    }

    fn change(&mut self, props: Self::Properties) -> bool {
        if self.props != props {
            self.props = props;
            true
        } else {
            false
        }
    }

    //         open=self.props.open
    //         corner=self.props.corner.to_string()