C# (CSharp) Ex01 Retangulo.CalcArea示例

示例#1

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            Retangulo r = new Retangulo(double.Parse(BaseTxt.Text), double.Parse(AlturaTxt.Text));

            AreaRTxt.Text = r.CalcArea().ToString();
        }