//HelloWordThread.cs
//------------------------

using System;
using System.Threading;

public class Test
{
    static void Main()
    {
        ThreadStart job = new ThreadStart(ThreadJob);
        Thread thread = new Thread(job);
        thread.Start();
        
        for (int i=0; i < 5; i++)
        {
            Console.WriteLine ("Main thread: {0}", i);
            Thread.Sleep(1000);
        }
    }
    
    static void ThreadJob()
    {
        for (int i=0; i < 10; i++)
        {
            Console.WriteLine ("Other thread: {0}", i);
            Thread.Sleep(500);
        }
    }
}

结果：
Main thread: 0
Other thread: 0
Other thread: 1
Main thread: 1
Other thread: 2
Other thread: 3
Main thread: 2
Other thread: 4
Other thread: 5
Main thread: 3
Other thread: 6
Other thread: 7
Main thread: 4
Other thread: 8
Other thread: 9

//UsingDelegate.cs
------------------------------------
using System;
using System.Threading;

public class Test
{
    static void Main()
    {
        Counter foo = new Counter();
        ThreadStart job = new ThreadStart(foo.Count);
        Thread thread = new Thread(job);
        thread.Start();
       
        for (int i=0; i < 5; i++)
        {
            Console.WriteLine ("Main thread: {0}", i);
            Thread.Sleep(1000);
        }
    }
}

public class Counter
{
    public void Count()
    {
        for (int i=0; i < 10; i++) { Console.WriteLine ("Other thread: {0}", i);
            Thread.Sleep(500);
        }
    }
}