static void Main(string[] args)
        {
            EmployeeContainer container = new EmployeeContainer();

            foreach (Employee item in container)
            {
                Console.WriteLine(item.ToString());
            }

            Console.WriteLine("------------------------------------");
            EmployeeIterator iter = (EmployeeIterator)container.GetEnumerator();

            while (iter.MoveNext())
            {
                Console.WriteLine(((Employee)iter.Current).ToString());
            }

            Console.ReadKey();
        }
 public EmployeeIterator(EmployeeContainer container)
 {
     this.container = container;
 }