private void Button_Click(object sender, RoutedEventArgs e)
{
b = new Bingo();
b.Iniciar(int.Parse(txt.Text));
txtNum.Text = "";
txtNums.Text = "";
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
a = new Bingo();
a.Iniciar(int.Parse(txt.Text));
}