static void Main(string[] args)
        {
            RemoteServer rso = null;
            string       request;
            string       response;

            try
            {
                rso     = new RemoteServer();
                request = "{\"jsonrpc\": \"2.0\", \"id\": 1, \"method\": \"subtract\" , \"params\": {\"subtrahend\": 23.4, \"minuend\": 42.8}}";
                rso.Connect("jsonrpcservertest", null, null);
                response = rso.JsonRpcRequest(request);
                Console.WriteLine("#### Response ####");
                Console.WriteLine(response);
            }
            finally
            {
                if (rso != null)
                {
                    rso.Dispose();
                }
            }
        }