监控线程池ThreadPool

监控线程池 运行完毕

int WorkItem = 0;
System.Threading.Semaphore hore;

在要循环插入的地方
//信号量 每次最多5个 可以不要这个
hore = new Semaphore(5, 5);
foreach(object o in object o2)

｛
//计数
Interlocked.Increment(ref WorkItem);
ThreadPool.QueueUserWorkItem(new WaitCallback(Registe), siteList);
｝


//在开一个Thread去跑这个
        private void WaitDone()
        {

            ThreadSafeInvoke(this, delegate()
            {
                btnStart.Enabled = false;
                btnRef.Enabled = false;

            });



            while (WorkItem > 0)
            {
                Thread.Sleep(500);
            }
            MessageBox.Show("跑完了");


            

        }

        private void Registe(object obj)
        {
            
            hore.WaitOne();
            try
　　　　　　　　{

            }
            catch (Exception ex)
            {
                

            }
            finally
            {
                hore.Release();
            }

            

            Interlocked.Decrement(ref WorkItem);


        }