private void CreateFavorite(string statusid) { CustomBinding binding = new CustomBinding(new BinaryMessageEncodingBindingElement(), new HttpTransportBindingElement()); EndpointAddress address = new EndpointAddress(new Uri(Application.Current.Host.Source, "/SinaDesktop.Web/SinaService.svc")); SinaDataService.DataServiceClient svc = new SinaDataService.DataServiceClient(binding, address); svc.CreateFavoriteCompleted += client_CreateFavoriteCompleted; svc.CreateFavoriteAsync(statusid, "xml", ConfigurationSettings.TokenKey, ConfigurationSettings.TokenKeySecret); }