private void DeactivateServers() { AddLog("Trying to deactivate servers..."); if (fEchoServer != null) { fEchoServer.Close(); } AddLog("EchoServer is closed."); if (fHttpServer != null) { fHttpServer.Close(); } AddLog("HttpServer is closed."); SetEnable(true); AddLog("Servers is deactivated"); btnAction.Text = "Activate Servers"; }