practica 7 visual

public partial class Form1 : Form
{
int I = 0;
int Dato;

public Form1()
{
InitializeComponent();
}
Arreglo Emax = new Arreglo();

private void button4_Click(object sender, EventArgs e)
{
if (I >= 0 && I < 9)
{
Dato = int.Parse(textBox1.Text);
Emax.AsignarDato(I, Dato);
listBox1.Items.Add((I + 1) + ". " + Emax.ObtenerDato(I));
textBox1.Clear();
textBox1.Focus();
maskedTextBox1.Text = Convert.ToString(I + 2);
I++;
}
else
{
button4.Enabled = false;
}
}

private void button1_Click(object sender, EventArgs e)
{
Dato = int.Parse(textBox1.Text);
Emax.AsignarDato(I, Dato);
listBox1.Items.Add((I + 1) + ". " + Emax.ObtenerDato(I));
int PosMay = Emax.Mayor(10);
textBox2.Text = Convert.ToString(Emax.ObtenerDato(PosMay));
textBox3.Text = Convert.ToString(PosMay + 1);
int PosMen = Emax.Menor(10);
textBox4.Text = Convert.ToString(Emax.ObtenerDato(PosMen));
textBox5.Text = Convert.ToString(PosMen + 1);
textBox6.Text = Emax.Promedio(10).ToString();

}

private void Form1_Load(object sender, EventArgs e)
{
maskedTextBox1.Text = Convert.ToString(I + 1);
}

private void button2_Click(object sender, EventArgs e)
{
I = 0;
textBox1.Clear();
textBox2.Clear();
textBox3.Clear();
textBox4.Clear();
textBox5.Clear();
textBox6.Clear();
listBox1.Items.Clear();
maskedTextBox1.Text = Convert.ToString(I + 1);
Emax.LimpiarArreglo(10);
listBox1.Items.Clear();
button4.Enabled = true;
}

private void button3_Click(object sender, EventArgs e)
{
Close();
}
}

}