以ThreadStart方式实现多线程

使用ThreadStart委托

这里先以一个例子体现一下多线程带来的好处，首先在Message类中建立一个方法ShowMessage()，里面显示了当前运行线程的Id，并使用Thread.Sleep（int ) 方法模拟部分工作。在main()中通过ThreadStart委托绑定Message对象的ShowMessage（）方法，然后通过Thread.Start（）执行异步方法。

1       public class Message
 2       {
 3           public void ShowMessage()
 4           {
 5               string message = string.Format("Async threadId is :{0}",
 6                                               Thread.CurrentThread.ManagedThreadId);
 7               Console.WriteLine(message);
 8   
 9               for (int n = 0; n < 10; n++)
10               {
11                   Thread.Sleep(300);   
12                   Console.WriteLine("The number is:" + n.ToString()); 
13               }
14           }
15       }
16   
17       class Program
18       {
19           static void Main(string[] args)
20           {
21               Console.WriteLine("Main threadId is:"+
22                                 Thread.CurrentThread.ManagedThreadId);
23               Message message=new Message();
24               Thread thread = new Thread(new ThreadStart(message.ShowMessage));
25               thread.Start();
26               Console.WriteLine("Do something ..........!");
27               Console.WriteLine("Main thread working is complete!");
28               
29           }
30       }      

使用ParameterizedThreadStart委托

ParameterizedThreadStart委托与ThreadStart委托非常相似，但ParameterizedThreadStart委托是面向带参数方法的。注意ParameterizedThreadStart 对应方法的参数为object，此参数可以为一个值对象，也可以为一个自定义对象。

1     public class Person
 2     {
 3         public string Name
 4         {
 5             get;
 6             set;
 7         }
 8         public int Age
 9         {
10             get;
11             set;
12         }
13     }
14 
15     public class Message
16     {
17         public void ShowMessage(object person)
18         {
19             if (person != null)
20             {
21                 Person _person = (Person)person;
22                 string message = string.Format("\n{0}'s age is {1}!\nAsync threadId is:{2}",
23                     _person.Name,_person.Age,Thread.CurrentThread.ManagedThreadId);
24                 Console.WriteLine(message);
25             }
26             for (int n = 0; n < 10; n++)
27             {
28                 Thread.Sleep(300);   
29                 Console.WriteLine("The number is:" + n.ToString()); 
30             }
31         }
32     }
33 
34     class Program
35     {
36         static void Main(string[] args)
37         {     
38             Console.WriteLine("Main threadId is:"+Thread.CurrentThread.ManagedThreadId);
39             
40             Message message=new Message();
41             //绑定带参数的异步方法
42             Thread thread = new Thread(new ParameterizedThreadStart(message.ShowMessage));
43             Person person = new Person();
44             person.Name = "Jack";
45             person.Age = 21;
46             thread.Start(person);  //启动异步线程 
47             
48             Console.WriteLine("Do something ..........!");
49             Console.WriteLine("Main thread working is complete!");
50              
51         }
52     }