static void Main(string[] args)
{
Control c1 = new Label();
c1.Name = "text1";
Control c2 = new Label();
c2.Name = "text2";
Stock s = new Stock();
s.Register(c1);
s.Register(c2);
s.Notify();
Display(c1);
Display(c2);
s.GetElement();
s.Notify();
Display(c1);
Display(c2);
s.GetElement();
s.Notify();
Display(c1);
Display(c2);
Console.WriteLine();
Console.WriteLine("Please press enter to exit!");
Console.ReadLine();
}
