private void Button_Click(object sender, RoutedEventArgs e)
{
lista1.Items.Clear();
lista.Items.Clear();
x = new Fibonacci();
y = new PA(int.Parse(a1.Text), int.Parse(r.Text));
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
Fibonacci fib = new Fibonacci();
ISequencia seq = fib;
Fibtxt.Text = seq.Proximo().ToString();
}
private void Button_Click_3(object sender, RoutedEventArgs e)
{
PA pa = new PA();
ISequencia seq = pa;
pa.SetElemento(int.Parse(PrimeiroTermotxt.Text));
pa.SetRazao(int.Parse(Razaotxt.Text));
Termotxt.Text = seq.Proximo().ToString();
}