使用线程

1using System;
2using System.Threading;
3
4class Demonstration
5{
6    static void Main()
7    {
8        new UsingThreadStart().runTest();
9    }
10}
11
12public class UsingThreadStart
13{
14    static void sayHi()
15    {
16        Console.WriteLine("Hi from static method");
17    }
18
19    void sayHello()
20    {
21        Console.WriteLine("Hello from instance method");
22    }
23
24    public void runTest()
25    {
26        ThreadStart threadStart = new ThreadStart(sayHi);
27        Thread thread = new Thread(threadStart);
28        thread.Start();
29        thread.Join();
30
31        threadStart = new ThreadStart(new UsingThreadStart().sayHello);
32        thread = new Thread(threadStart);
33        thread.Start();
34        thread.Join();
35    }
36}

1using System;
2using System.Threading;
3
4class Demonstration
5{
6    static void Main()
7    {
8        new UsingThreadStart().runTest();
9    }
10}
11
12public class UsingThreadStart
13{
14    static void sayHi(Object obj)
15    {
16        String name = (String)obj;
17        Console.WriteLine("Hi " + name + " from static method");
18    }
19
20    void sayHello(Object obj)
21    {
22        String name = (String)obj;
23        Console.WriteLine("Hello " + name + " from instance method");
24    }
25
26    public void runTest()
27    {
28        ParameterizedThreadStart threadStart = new ParameterizedThreadStart(sayHi);
29        Thread thread = new Thread(threadStart);
30        thread.Start("Fahim");
31        thread.Join();
32
33        threadStart = new ParameterizedThreadStart(new UsingThreadStart().sayHello);
34        thread = new Thread(threadStart);
35        thread.Start("Fahim");
36        thread.Join();
37    }
38}

1public class GreetingClass
2{
3    private String name;
4
5    public GreetingClass(String name)
6    {
7        this.name = name;
8    }
9
10    public void sayHello()
11    {
12        Console.WriteLine("Hello " + name + " from instance method");
13    }
14}

1GreetingClass gc = new GreetingClass("Fahim");
2ThreadStart ts = new ThreadStart(gc.sayHello);
3Thread thread = new Thread(ts);
4thread.Start();
5thread.Join();

1using System;
2using System.Threading;
3
4class Demonstration
5{
6    static void Main()
7    {
8        GreetingClass gc = new GreetingClass("Fahim");
9        ThreadStart ts = new ThreadStart(gc.sayHello);
10        Thread thread = new Thread(ts);
11        thread.Start();
12        thread.Join();
13    }
14}
15
16public class GreetingClass
17{
18    private String name;
19
20    public GreetingClass(String name)
21    {
22        this.name = name;
23    }
24
25    public void sayHello()
26    {
27        Console.WriteLine("Hello " + name + " from instance method");
28    }
29}

1using System;
2using System.Threading;
3
4class Demonstration
5{
6    static void Main()
7    {
8        RetrieveResults retrieveResults = new RetrieveResults(10, (double res) =>
9        {
10            Console.WriteLine("Result = " + res);
11        });
12
13        ThreadStart ts = new ThreadStart(retrieveResults.square);
14        Thread thread = new Thread(ts);
15
16        thread.Start();
17        thread.Join();
18    }
19}
20
21// 定义回调方法签名的委托
22public delegate void ResultCallback(double result);
23
24public class RetrieveResults
25{
26    private int x;
27    ResultCallback callback;
28
29    public RetrieveResults(int x, ResultCallback callback)
30    {
31        this.x = x;
32        this.callback = callback;
33    }
34
35    public void square()
36    {
37        double result = x * x;
38
39        if (callback != null)
40            callback(result);
41    }
42}