1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading;
6
7 namespace Simple
8 {
9 internal delegate void PrintMsg();
10
11 class DelegateAsync
12 {
13 public event PrintMsg PrintMsg;
14
15 public DelegateAsync()
16 {
17 }
18
19 public void Execute()
20 {
21
22 for (int i = 0; i < 10; i++)
23 {
24 if (PrintMsg!=null)
25 {
26 PrintMsg.BeginInvoke(new AsyncCallback(HandlerCallback),null);
27 Console.WriteLine("Thread" + Thread.CurrentThread.ManagedThreadId.ToString() + " run now>>>>>>>>");
28 }
29 //PrintMsg.EndInvoke(ar);
30 }
31 Console.WriteLine("works completed!");
32 }
33
34 void HandlerCallback(IAsyncResult ar)
35 {
36 PrintMsg pm=ar.AsyncState as PrintMsg;
37 string id = Thread.CurrentThread.ManagedThreadId.ToString();
38 Console.WriteLine("Thread" + id + " is " + Thread.CurrentThread.IsThreadPoolThread);
39 if (pm!=null)
40 {
41 pm.EndInvoke(ar);
42 }
43 }
44 }
45 }
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading;
6
7 namespace Simple
8 {
9 class Program
10 {
11 static void Main(string[] args)
12 {
13 DelegateAsync da=new DelegateAsync();
14 da.PrintMsg += new PrintMsg(Da_PrintMsg);
15 da.Execute();
16 Console.Read();
17 }
18
19 static void Da_PrintMsg()
20 {
21 string id = Thread.CurrentThread.ManagedThreadId.ToString();
22 Console.WriteLine("Thread" + id + " is " + Thread.CurrentThread.IsThreadPoolThread);
23 Console.WriteLine("Thread" + id + " work start now!");
24 Thread.Sleep(10000);
25 Console.WriteLine("Thread" + id + " am work completed now!");
26 }
27 }
28 }