2.1

//2.1.4
//Sleep IsAlive

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Reflection;
using System.Runtime.Remoting;

public class Threading
{
    static void WorkerFunction()
    {
        string ThreadState;

        for (int i = 1; i < 5000; ++i)
        {
            if (i % 50 == 0)
            {
                ThreadState = Thread.CurrentThread.ThreadState.ToString();
                Console.WriteLine("Worker;"+ThreadState);
            }
        }
        Console.WriteLine("WorkerFunction Complete");
    }
    static void Main()
    {
        string ThreadState;
        Thread t = new Thread(new ThreadStart(WorkerFunction));
        t.Start();
        while (t.IsAlive)
        {
            Console.WriteLine("Still waiting .I'm going back to sleep.");
            Thread.Sleep(20);
        }
        ThreadState = t.ThreadState.ToString();
        Console.WriteLine("He's finally done! Thread state is :"
            + ThreadState);
        Console.ReadLine();
    }
}

　　

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Reflection;
using System.Runtime.Remoting;

public class Threading
{
    public static Thread worker;
    public static Thread worker2;
    static void Main()
    {
        Console.WriteLine("Entering void Main()");
        worker = new Thread(new ThreadStart(FindPriority));
        worker2 = new Thread(new ThreadStart(FindPriority));

        worker.Name = "FindPriority()Thread";
        worker2.Name = "FindPriority()Thread2";
        worker2.Priority = System.Threading.ThreadPriority.Highest;
        worker.Start();
        worker2.Start();
        Console.WriteLine("Exitting void Main()");
        Console.ReadLine();
    }

    static public void FindPriority()
    {
        //Thread tempThread;
        //System.Threading.Thread.CurrentThread();
        Console.WriteLine("Name ;" + System.Threading.Thread.CurrentThread.Name);
        Console.WriteLine("State :" + System.Threading.Thread.CurrentThread.ThreadState.ToString());
        Console.WriteLine("Priority:" +System.Threading.Thread.CurrentThread.Priority.ToString());

    }
}

　　

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Reflection;
using System.Runtime.Remoting;

public class Threading
{
    static void Main(string[] args)
    {
        Thread.CurrentThread.Name = "主线程";
        Thread thread1 = new Thread(new ThreadStart(Threading.Output));
        thread1.Name = "子线程1";
        thread1.Priority = ThreadPriority.Lowest;
        Thread thread2 = new Thread(new ThreadStart(Threading.Output));
        thread2.Name = "子线程2";
        thread2.Priority = ThreadPriority.Highest;
        thread1.Start();
        thread2.Start();
        Console.ReadLine();
    }

    static void Output()
    {
        for (int i = 0; i < 10; i++)
        {
            Console.WriteLine("线程：{0}，i的值：{1}", Thread.CurrentThread.Name, i);
        }
    }
}