private void OpenChannel() { DuplexChannelFactory <IControlActiveSettingsSubscriber> factory = new DuplexChannelFactory <IControlActiveSettingsSubscriber>( new InstanceContext(instance), new NetTcpBinding(), new EndpointAddress("net.tcp://localhost:10012/IControlActiveSettingsSubscriber")); try { proxy = factory.CreateChannel(); } catch (Exception ex) { Console.WriteLine(ex.Message); } }