C# 线程池 运行就无响应，但是程序一直在执行..球高人指点

还有，程序一旦运行，窗体就不可以移动，同求指点....本人菜鸟，刚接触此类东西，欢迎指证批评.....public static void ThreadPoolStart(Session session)
        {
            XPCollection xpc = Quantum.ElectricCommon.BLL.ShopHelper.GetAllShopCollection(session, new GroupOperator(), new SortingCollection());
            int n = xpc.Count;
            ManualResetEvent[] events = new ManualResetEvent[n];
            for (int i = 0; i < n; i++)
            {
                Quantum.ElectricCommon.Model.Shop shop = xpc[i] as Quantum.ElectricCommon.Model.Shop;                //Quantum.ElectricCommon.Model.Shop shop = Quantum.ElectricCommon.BLL.ShopHelper.GetShopByOid(session, 2);
                Quantum.Util.LogUtil.WriteLog(shop.ShopName, "订单同步开始" + DateTime.Now.ToString("F"));
                long pagesize = 40;
                DateTime bgtime = Convert.ToDateTime(DateTime.Now.ToShortDateString());
                DateTime edtime = DateTime.Now;
                if (shop.LastTime != DateTime.MinValue)
                {
                    if (shop.LastTime.Day != DateTime.Now.Day)
                    {
                        bgtime = Convert.ToDateTime(DateTime.Now.ToShortDateString());
                        edtime = DateTime.Now;
                    }
                    else
                    {
                        bgtime = shop.LastTime.AddMinutes(-20);
                        edtime = shop.LastTime.AddMinutes(40);
                    }                }
                if (edtime > DateTime.Now)
                {
                    bgtime = DateTime.Now.AddHours(-5);
                    edtime = DateTime.Now;
                }
                long count = Quantum.ElectricCommon.BLL.Taobao.getTradeCount(session, shop, 1, 40, "WAIT_SELLER_SEND_GOODS", bgtime, edtime);
                if (count != 0)
                {
                    long pages = count / pagesize;
                    if (count % pagesize != 0)
                        pages++;
                    events[i] = new ManualResetEvent(false);
                    Quantum.ElectricCommon.BLL.Taobao tb = new Quantum.ElectricCommon.BLL.Taobao(events[i]);
                    ThreadPool.QueueUserWorkItem(delegate(object notUsed1) { tb.getTradeID(session, shop, Convert.ToInt32(pages), 40, "WAIT_SELLER_SEND_GOODS", bgtime, edtime); });
                    
                }
                else
                {
                    Quantum.Util.LogUtil.WriteLog(shop.ShopName, "订单在" + bgtime.ToString("F") + "至" + edtime.ToString("F") + "抓单结束");
                    events[i] = new ManualResetEvent(false);
                    events[i].Set();
                }
            }
            ManualResetEvent.WaitAll(events);
            Thread.Sleep(10000);
            ThreadPoolStart(session);
        }
C#线程池