using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleApplication7
{
    class Program
    {
        static void Main(string[] args)
        {
            Program p = new Program();
            p.RetryCalculator();

            for (int i = 0; i < 100; i++)
            {
                p.OutSideInvoke();
                Thread.Sleep(30);
            }
        }



        /// <summary>
        /// 调用的代码
        /// </summary>
        public void OutSideInvoke()
        {
            if (count>=0)
            {

                //在这里写你调用的代码
                Console.WriteLine("我在这里调用了");
                Console.WriteLine(count);

                //把数据减1，如果减到0就不能再使用了
                count--;
            }


        }

        private volatile static int count=30;

        private System.Timers.Timer timer;
        public void RetryCalculator()
        {
            if (timer != null)
            {
                timer.Dispose();
            }
            timer = new System.Timers.Timer();
            timer.Elapsed += timer_Elapsed;
            timer.Interval = 1000;
            timer.Start();
        }

        void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            count = 30;
        }
    }


}