public void SendMessage(Lamp lampState) { WebClient webClient = new WebClient(); webClient.BaseAddress = "http://" + bridgeIP + "/api/" + username + "/lights/" + lampState.GetLampNumber() + "/state"; Stream writeData = webClient.OpenWrite(webClient.BaseAddress, "PUT"); writeData.Write(Encoding.ASCII.GetBytes(lampState.GetJson()), 0, lampState.GetJson().Length); writeData.Close(); }