private void button1_Click(object sender, EventArgs e) { TrapeziaArea myclass = new TrapeziaArea(); //實例化類別物件 myclass.SD = Convert.ToDouble(textBox1.Text); //為梯形的上底賦值 myclass.XD = Convert.ToDouble(textBox2.Text); //為梯形的下底賦值 myclass.Height = Convert.ToDouble(textBox3.Text); //為梯形的高賦值 textBox4.Text = myclass.Area().ToString(); //計算梯形面積 }
private void button1_Click(object sender, EventArgs e) { TrapeziaArea myclass = new TrapeziaArea(); //实例化类对象 myclass.SD = Convert.ToDouble(textBox1.Text); //为梯形的上底赋值 myclass.XD = Convert.ToDouble(textBox2.Text); //为梯形的下底赋值 myclass.Height = Convert.ToDouble(textBox3.Text); //为梯形的高赋值 textBox4.Text = myclass.Area().ToString(); //计算梯形面积 }