1        //继承System.Collections.IEnumerable
 2        public class dayWeeks : System.Collections.IEnumerable
 3        {
 4            //定义一个string[]
 5            string[] dayWeek = { "Sun", "Mon", "Tue", "Wed", "Thr", "Fri", "Sat" };
 6            //重载GetEnumerator()
 7            public System.Collections.IEnumerator GetEnumerator()
 8            {
 9                for (int i = 0; i < dayWeek.Length; i++)
10                {
11                    //yield return   呵呵,^_^,专用于  iterator block  
12                    yield return dayWeek[i];
13                }
14            }
15        }
16        static void Main(string[] args)
17        {
18            new Program().printer("this is my vs 2005");
19
20
21            // Declare a list of type int
22            GenericList<int> list1 = new GenericList<int>();
23
24            // Declare a list of type string
25            GenericList<string> list2 = new GenericList<string>();
26
27            // Declare a list of type ExampleClass
28            GenericList<ExampleClass> list3 = new GenericList<ExampleClass>();
29            
30
31            //好了定义一个对象
32            dayWeeks dayWeeks = new dayWeeks();
33            //go ahead   foreach.
34            foreach (string j in dayWeeks)
35            {
36                System.Console.WriteLine(j);
37            }
38
39           
40        }