private void button3_Click(object sender, EventArgs e)
{
int id = this.listBox1.SelectedIndex;
Persona per = lista[id];
bool estado = true;
Agregar agregar = new Agregar(per, estado);
agregar.ShowDialog();
}
private void button1_Click(object sender, EventArgs e)
{
Agregar agregar = new Agregar();
agregar.ShowDialog();
if (agregar.DialogResult == DialogResult.OK)
{
this.Refrescar();
}
}