static void HaveADrink(HotDrink h)
{
h.AddMilk();
h.Drink();
if (h is ICup)
{
ICup cupOfDrink = h as ICup;
//ICup cupOfDrink =(ICup)h;
cupOfDrink.Wash();
}
}
static void Drinks(HotDrink drink)
{
drink.AddMilk();
drink.AddSugar();
drink.Drink();
if (drink is ICup)
{
ICup interfaceCup = drink as ICup;
interfaceCup.Refill();
interfaceCup.Wash();
}
}
public void CupOfHotDrink()
{
CupOfCoffe coffe = new CupOfCoffe();
CupOfTea tea = new CupOfTea();
coffe.AddMilk();
coffe.Drink();
tea.AddMilk();
tea.Drink();
ICup cupcofee = coffe;
ICup cuptea = tea;
cupcofee.Wash();
cuptea.Wash();
}
static void ManipulateDrink(HotDrink drink)
{
ICup cupInterface = drink as ICup;
cupInterface.Wash();
}