C#多线程中如何运用互斥锁Mutex

//创建一个处于未获取状态的互斥锁
Public Mutex（）；
//如果owned为true，互斥锁的初始状态就是被主线程所获取，否则处于未获取状态
Public Mutex（bool owned）；

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
using System.Threading;
 
namespace MyTTCon
{
 class shareRes
 {
  public static int count = 0;
  public static Mutex mutex = new Mutex();
 }
 
 class IncThread
 {
  int number;
  public Thread thrd;
  public IncThread(string name,int n)
  {
   thrd = new Thread(this.run);
   number = n;
   thrd.Name = name;
   thrd.Start();
  }
  void run()
  {
   Console.WriteLine(thrd.Name + "正在等待 the mutex");
   //申请
   shareRes.mutex.WaitOne();
   Console.WriteLine(thrd.Name + "申请到 the mutex");
   do
   {
    Thread.Sleep(1000);
    shareRes.count++;
    Console.WriteLine("In " + thrd.Name + "ShareRes.count is " + shareRes.count);
    number--;
   } while (number > 0);
   Console.WriteLine(thrd.Name + "释放 the nmutex");
   // 释放
   shareRes.mutex.ReleaseMutex();
  }
 }
 class DecThread
 {
  int number;
  public Thread thrd;
  public DecThread(string name,int n)
  {
   thrd = new Thread(this.run);
   number = n;
   thrd.Name = name;
   thrd.Start();
  }
  void run()
  {
   Console.WriteLine(thrd.Name + "正在等待 the mutex");
   //申请
   shareRes.mutex.WaitOne();
   Console.WriteLine(thrd.Name + "申请到 the mutex");
   do
   {
    Thread.Sleep(1000);
    shareRes.count--;
    Console.WriteLine("In " + thrd.Name + "ShareRes.count is " + shareRes.count);
    number--;
   } while (number > 0);
   Console.WriteLine(thrd.Name + "释放 the nmutex");
   // 释放
   shareRes.mutex.ReleaseMutex();
  }
 }
 
 class Program
 {
  static void Main(string[] args)
  {
   IncThread mthrd1 = new IncThread("IncThread thread ",5);
   DecThread mthrd2 = new DecThread("DecThread thread ",5);
   mthrd1.thrd.Join();
   mthrd2.thrd.Join();
  }
 }
}