4.1 visual rectangulo

namespace practica4._1form
{
public partial class RectanguloF : Form
{
public RectanguloF()
{
InitializeComponent();
}

private void label1_Click(object sender, EventArgs e)
{

}

private void button1_Click(object sender, EventArgs e)
{
double Ancho, Largo, Area, Perimetro;
Largo = double.Parse(textBox1.Text);
Ancho = double.Parse(textBox2.Text);
Area = Ancho * Largo;
Perimetro = (Ancho * 2) + (Largo * 2);

listBox1.Items.Add("El Area del rectangulo es:" + Area);
listBox1.Items.Add("");
listBox1.Items.Add("El Perimetro del rectangulo es:" + Perimetro);
}

private void button2_Click(object sender, EventArgs e)
{
textBox1.Clear();
textBox2.Clear();
listBox1.Items.Clear();
}

private void button3_Click(object sender, EventArgs e)
{

Close();
}








}
}