Пример #1
0
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");

            var subject        = new Subject();
            var greenObserver  = new Observer(ConsoleColor.Green);
            var redObserver    = new Observer(ConsoleColor.Red);
            var yellowObserver = new Observer(ConsoleColor.Yellow);

            subject.QuantityUpdated += greenObserver.OnUpdateQuantity;
            subject.QuantityUpdated += redObserver.OnUpdateQuantity;
            subject.QuantityUpdated += yellowObserver.OnUpdateQuantity;

            subject.AddToQuantity(12);
            subject.AddToQuantity(5);

            Console.WriteLine("Enter a key to quit.");
            Console.Read();
        }