1classProgram
2{
3staticvoidMain(string[]args)
4{
5//异步委托方法一
6Func<int,int>func=newFunc<int,int>(Square);
7IAsyncResultar1=func.BeginInvoke(10,null,null);
8while(!ar1.IsCompleted)
9Console.WriteLine(func.EndInvoke(ar1));
10
11//异步委托方法二
12IAsyncResultar2=func.BeginInvoke(20,null,null);
13ar2.AsyncWaitHandle.WaitOne();
14Console.WriteLine(func.EndInvoke(ar2));
15
16//异步委托方法三
17IAsyncResultar3=func.BeginInvoke(30,
18result=>
19{
20if(result.IsCompleted)
21Console.WriteLine(func.EndInvoke(result));
22},
23func);
24
25//后台线程方法
26BackgroundWorkerworker=newBackgroundWorker();
27worker.DoWork+=(s,e)=>e.Result=Square((int)e.Argument);
28worker.RunWorkerCompleted+=(s,e)=>Console.WriteLine(e.Result);
29worker.RunWorkerAsync(40);
30
31//多线程方法
32Threadthread=newThread(newThreadStart(()=>Console.WriteLine(Square(50))));
33thread.Start();
34
35Console.ReadLine();
36}
37
38//可以为耗时的操作
39privatestaticintSquare(intx)
40{
41returnx*x;
42}
43}

http://files.cnblogs.com/guozili/CodeTimer.rar

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