Practica 4.4 visual

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace practica_4._4_windows

{

public partial class Form1 : Form

{

double pies, metros;

public Form1()

{

pies = 2.0;

InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)

{

listBox1.Items.Add("pies metros");

while(pies<=20.0)

{

metros = pies / 3.28;

listBox1.Items.Add(pies.ToString()+" "+metros.ToString());

pies = pies + 2;

}

}

private void button2_Click(object sender, EventArgs e)

{

listBox1.Items.Clear();

}

private void button3_Click(object sender, EventArgs e)

{

Close();

}

}

}