單一實例運行程式

來源:互聯網
上載者:User
代碼


using System;
using System.Threading;

namespace SignleApplication
{
    class Program
    {
        /// <summary>
        /// 定義訊號量,只能運行單一實例
        /// </summary>
        static Mutex mutex=new Mutex(false,"control.mutext");
        
        public static void Main(string[] args)
        {
            if(!mutex.WaitOne(TimeSpan.FromSeconds(5),false))
            {
                Console.WriteLine("當前執行個體在運行!");
            }
            Console.WriteLine("Hello World!");
            
            try
            {
            // TODO: Implement Functionality Here
            
            Console.Write("Press any key to continue . . . ");
            Console.ReadKey(true);
            }
            finally
            {
                mutex.ReleaseMutex();
            }
        }
    }
}

 

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