private void Button_Click(object sender, RoutedEventArgs e)
{
Islem i = new Islem();
i.Sifrele(txt1.tex
}
private void btn_Click(object sender, RoutedEventArgs e)
{
Islem sifre = new Islem();
lblSonuc.Content= sifre.Sifrele(txtSifrelenecek.Text,byte.Parse(txtAnahtar.Text));
}