question

My ApiContext Code is here. What my Code lack.Run result is Error:timeout.
ps:my ApiServerUrl is https://api.ebay.com/wsapi

                apiContext =AppSettingHelper.GetApiContext();

                //set Api Server Url
                apiContext.SoapApiServerUrl =
                    ConfigurationManager.AppSettings["Environment.ApiServerUrl"];
                //set Api Token to access eBay Api Server
                ApiCredential apiCredential = new ApiCredential();
                apiCredential.eBayToken =
                    ConfigurationManager.AppSettings["UserAccount.ApiToken"];
                apiCredential.oAuthToken =
                    ConfigurationManager.AppSettings["OAuth.Application.Token"];
                apiContext.ApiCredential = apiCredential;
                //set eBay Site target to US
                apiContext.Site = SiteCodeType.US;

                //set Api logging
                apiContext.ApiLogManager = new ApiLogManager();
                apiContext.ApiLogManager.ApiLoggerList.Add(
                    new FileLogger("listing_log.txt", true, true, true)
                    );
                apiContext.ApiLogManager.EnableLogging = true;

GetOrdersCall it here

                GetOrdersCall api = new GetOrdersCall(context);
                api.OrderRole = TradingRoleCodeType.Seller;
                api.OrderStatus = OrderStatusCodeType.Completed;
                System.DateTime calTo = System.DateTime.Now;
                System.DateTime calFrom = new DateTime(calTo.Year, calTo.Month, calTo.Day-1);
                api.CreateTimeFrom = calFrom;
                api.CreateTimeTo = calTo;
                // Make API call.
                OrderTypeCollection orders = api.GetOrders(calFrom, calTo, api.OrderRole, api.OrderStatus);