Code
using System;
using System.Threading;

namespace ThreadExample
{
    public class MutexSample
    {
　　    static Mutex gM1;
　　    static Mutex gM2;
　　    const int ITERS = 100;
　　    static AutoResetEvent Event1 = new AutoResetEvent(false);
　　    static AutoResetEvent Event2 = new AutoResetEvent(false);
　　    static AutoResetEvent Event3 = new AutoResetEvent(false);
　　    static AutoResetEvent Event4 = new AutoResetEvent(false);

　　    public static void Main(String[] args)
　　    {
            Console.WriteLine("Mutex Sample ");
            //創建一個Mutex對象，并且命名為MyMutex
            gM1 = new Mutex(true,"MyMutex");
            //創建一個未命名的Mutex 對象.
            gM2 = new Mutex(true);
            Console.WriteLine(" - Main Owns gM1 and gM2");

            AutoResetEvent[] evs = new AutoResetEvent[4];
            evs[0] = Event1; //為后面的線程t1,t2,t3,t4定義AutoResetEvent對象
            evs[1] = Event2; 
            evs[2] = Event3; 
            evs[3] = Event4; 

            MutexSample tm = new MutexSample( );
            Thread t1 = new Thread(new ThreadStart(tm.t1Start));
            Thread t2 = new Thread(new ThreadStart(tm.t2Start));
            Thread t3 = new Thread(new ThreadStart(tm.t3Start));
            Thread t4 = new Thread(new ThreadStart(tm.t4Start));
            t1.Start( );// 使用Mutex.WaitAll()方法等待一個Mutex數組中的對象全部被釋放
            t2.Start( );// 使用Mutex.WaitOne()方法等待gM1的釋放
            t3.Start( );// 使用Mutex.WaitAny()方法等待一個Mutex數組中任意一個對象被釋放
            t4.Start( );// 使用Mutex.WaitOne()方法等待gM2的釋放

            Thread.Sleep(2000);
            Console.WriteLine(" - Main releases gM1");
            gM1.ReleaseMutex( ); //線程t2,t3結束條件滿足

            Thread.Sleep(1000);
            Console.WriteLine(" - Main releases gM2");
            gM2.ReleaseMutex( ); //線程t1,t4結束條件滿足

            //等待所有四個線程結束
            WaitHandle.WaitAll(evs); 
            Console.WriteLine(" Mutex Sample");
            Console.ReadLine();
　　    }

　　    public void t1Start( )
　　    {
            Console.WriteLine("t1Start started, Mutex.WaitAll(Mutex[])");
            Mutex[] gMs = new Mutex[2];
            gMs[0] = gM1;//創建一個Mutex數組作為Mutex.WaitAll()方法的參數
            gMs[1] = gM2;
            Mutex.WaitAll(gMs);//等待gM1和gM2都被釋放
            Thread.Sleep(2000);
            Console.WriteLine("t1Start finished, Mutex.WaitAll(Mutex[]) satisfied");
            Event1.Set( ); //線程結束，將Event1設置為有信號狀態
　　    }
　　    public void t2Start( )
　　    {
            Console.WriteLine("t2Start started, gM1.WaitOne( )");
            gM1.WaitOne( );//等待gM1的釋放
            Console.WriteLine("t2Start finished, gM1.WaitOne( ) satisfied");
            Event2.Set( );//線程結束，將Event2設置為有信號狀態
　　    }
　　    public void t3Start( )
　　    {
            Console.WriteLine("t3Start started, Mutex.WaitAny(Mutex[])");
            Mutex[] gMs = new Mutex[2];
            gMs[0] = gM1;//創建一個Mutex數組作為Mutex.WaitAny()方法的參數
            gMs[1] = gM2;
            Mutex.WaitAny(gMs);//等待數組中任意一個Mutex對象被釋放
            Console.WriteLine("t3Start finished, Mutex.WaitAny(Mutex[])");
            Event3.Set( );//線程結束，將Event3設置為有信號狀態
　　    }
　　    public void t4Start( )
　　    {
            Console.WriteLine("t4Start started, gM2.WaitOne( )");
            gM2.WaitOne( );//等待gM2被釋放
            Console.WriteLine("t4Start finished, gM2.WaitOne( )");
            Event4.Set( );//線程結束，將Event4設置為有信號狀態
　　    }
    }
}

結果
Mutex Sample 
 - Main Owns gM1 and gM2
t1Start started, Mutex.WaitAll(Mutex[])
t2Start started, gM1.WaitOne( )
t3Start started, Mutex.WaitAny(Mutex[])
t4Start started, gM2.WaitOne( )
 - Main releases gM1
t2Start finished, gM1.WaitOne( ) satisfied
t3Start finished, Mutex.WaitAny(Mutex[])
 - Main releases gM2
t1Start finished, Mutex.WaitAll(Mutex[]) satisfied
t4Start finished, gM2.WaitOne( )
 Mutex Sample