private void buttonPantographUp_Click(object sender, EventArgs e)
{
if (vehicle is Tram)
{
Tram tram = (Tram)vehicle;
MessageBox.Show(tram.PantographUp());
}
else
{
MessageBox.Show("Wybrany obiekt nie jest tramwajem");
}
}
private void buttonBell_Click(object sender, EventArgs e)
{
if (vehicle is Tram)
{
Tram tram = (Tram)vehicle;
MessageBox.Show(tram.Bell());
}
else
{
MessageBox.Show("Obiekt nie jest tramwajem!");
}
}