向线程传递参数

参考<<C#多线程编程实战>>

 1 using System;
 2 using System.Threading;
 3 
 4 namespace Chapter1.Recipe8
 5 {
 6     class Program
 7     {
 8         static void Main(string[] args)
 9         {
10             var sample = new ThreadSample(10);
11 
12             var threadOne = new Thread(sample.CountNumbers);
13             threadOne.Name = "ThreadOne";
14             threadOne.Start();
15             threadOne.Join();
16 
17             Console.WriteLine("--------------------------");
18 
19             var threadTwo = new Thread(Count);
20             threadTwo.Name = "ThreadTwo";
21             threadTwo.Start(8);  //传递object类型的单个参数
22             threadTwo.Join();
23 
24             Console.WriteLine("--------------------------");
25 
26             var threadThree = new Thread(() => CountNumbers(12));
27             threadThree.Name = "ThreadThree";
28             threadThree.Start();
29             threadThree.Join();
30             Console.WriteLine("--------------------------");
31 
32             //在多个lambda表达式中使用相同变量，会共享变量的值
33             int i = 10;
34             var threadFour = new Thread(() => PrintNumber(i));  //20
35             i = 20;
36             var threadFive = new Thread(() => PrintNumber(i)); //20
37             threadFour.Start();
38             threadFive.Start();
39             
40         }
41 
42         static void Count(object iterations)
43         {
44             CountNumbers((int)iterations);
45         }
46 
47         static void CountNumbers(int iterations)
48         {
49             for (int i = 1; i <= iterations; i++)
50             {
51                 Thread.Sleep(TimeSpan.FromSeconds(0.5));
52                 Console.WriteLine("{0} prints {1}", Thread.CurrentThread.Name, i);
53             }
54         }
55 
56         static void PrintNumber(int number)
57         {
58             Console.WriteLine(number);
59         }
60 
61         class ThreadSample
62         {
63             private readonly int _iterations;
64 
65             public ThreadSample(int iterations)
66             {
67                 _iterations = iterations;
68             }
69             public void CountNumbers()
70             {
71                 for (int i = 1; i <= _iterations; i++)
72                 {
73                     Thread.Sleep(TimeSpan.FromSeconds(0.5));
74                     Console.WriteLine("{0} prints {1}", Thread.CurrentThread.Name, i);
75                 }
76             }
77         }
78     }
79 
80 
81 }