自定义事件

 1  public class Program

 2     {

 3        public event EventHandler ehdl=null;

 4         public Program() 

 5         {

 6             ehdl += Program_ehdl;

 7         }

 8 

 9         void Program_ehdl(object sender, EventArgs e)

10         {

11             var test=e as TestEventArgs;

12             Console.WriteLine("姓名：{0},年龄：{1},性别：{2}",test.Name,test.Age,test.Gender);

13         }

14 

15        

16         static void Main(string[] args)

17         {

18             Program p = new Program();

19             p.Fly();

20             

21             Console.ReadKey();

22         }

23 

24         private  void Fly()

25         {

26             TestEventArgs test = new TestEventArgs();

27             test.Name = "张三";

28             test.Age = "15";

29             test.Gender="男";

30             ehdl(this, test);

31            

32         }

33       

34     }

35     public class TestEventArgs : EventArgs 

36     {

37         public string Name { get; set; }

38         public string Age { get; set; }

39         public string Gender { get; set; }

40     }

View Code

EventHandler  委托，自己也可以定义一个；

 EventArgs