static void Main(string[] args)
        {
            bool result;
            Mutex m = new Mutex(false, System.Reflection.Assembly.GetExecutingAssembly().FullName, out result);
            if (!result)
            {
                // 程序已經(jīng)運(yùn)行!
                return;
            }

            Console.WriteLine("運(yùn)行...");
            Console.Read();
        }