关于判断线程池内所有线程是否已全部完成工作的方法

#region 检查正在执行任务的线程数
        /// <summary>
        /// 检查正在执行任务的线程
        /// </summary>
        /// <returns></returns>
        private void GetNumberOfRuningThreads()
        {
                while (true)
                {
                    int max1, max2;
                    ThreadPool.GetMaxThreads(out max1, out max2);
                    int available1, available2;
                    ThreadPool.GetAvailableThreads(out available1, out available2);
                    int num = max1 - available1;
                    Thread.Sleep(1000);
                    if (num == 0)
                    {
                        this.Invoke(new Action(delegate()
                        {
                            Your Code here...
                        }));
                    }
                }
        }
        #endregion

 

 

调用：

Thread t = null;

t = new Thread(new ThreadStart(GetNumberOfRuningThreads), 0);

t.Start();