Practica 2visual

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsApplication1
{
public partial class Form1 : Form
{
double[] corriente;
double[] resistencia;
double[] potencia;
int i;
double total;
public Form1()
{
corriente = new double[10];
potencia = new double[10];
resistencia = new double[10] { 26, 40, 44, 50, 66, 89, 10, 32, 5, 18 };

i = 0;
total=0.0;
InitializeComponent();
lboxDesplegar.Items.Add("Corriente Resistencia Potencia ");
}


private void cmdAceptar_Click(object sender, EventArgs e)
{
if (i < 10)
{
corriente[i] = double.Parse(textBox1.Text);
potencia[i] = resistencia[i] * Math.Pow(corriente[i], 2);
total += potencia[i];
lboxDesplegar.Items.Add(corriente[i].ToString() + " " + resistencia[i] + " " + potencia[i]); textBox1.Clear();
textBox1.Focus();
i++;
}

else
{

lboxDesplegar.Items.Add(" Total potencia =" + total); MessageBox.Show("excede los 10 datos"); i = 0;
textBox1.Clear();
textBox1.Enabled = false;
}
}
}
}