System.Threading.SynchronizationContext.Post C# (CSharp) Method

        public virtual void Post(SendOrPostCallback d, object state) {
#if (dotNET10 || dotNET11 || dotNETCF10)
            ThreadPool.QueueUserWorkItem(new WaitCallback(d), state);
#else
            ThreadPool.QueueUserWorkItem(d.Invoke, state);
#endif
        }

        void Client_AddDiamondShoppingItemCompleted(object sender, Wcf.Clients.WebInvokeEventArgs <int> e)
        {
            try
            {
                App.BusyToken.CloseBusyWindow();
                if (e.Error != null)
                {
                    MyMessageBox.ShowInfo("保存钻石商品失败。原因为：" + e.Error.Message);
                    return;
                }

                if (e.Result == OperResult.RESULTCODE_TRUE)
                {
                    MyMessageBox.ShowInfo("保存钻石商品成功");
                    _syn.Post((o) =>
                    {
                        this.Close();
                    }, null);
                }
                else
                {
                    MyMessageBox.ShowInfo("保存钻石商品失败。原因为：" + OperResult.GetMsg(e.Result));
                }
            }
            catch (Exception exc)
            {
                MyMessageBox.ShowInfo("保存钻石商品异常。原因为：" + exc.Message);
            }
        }