public static void Main(string[] args)
        {
            HeartbeatClient loginClient = new HeartbeatClient();
            if (args.Length != 4)
            {
                Console.WriteLine("Usage " + loginClient.GetType().Name + " <url> <username> <password> [CFD_DEMO|CFD_LIVE]");
                Environment.Exit(-1);
            }

            String url = args[0];
            String username = args[1];
            String password = args[2];
            ProductType productType = (ProductType)Enum.Parse(typeof(ProductType), args[3].ToUpper());

            LmaxApi lmaxApi = new LmaxApi(url);

            lmaxApi.Login(new LoginRequest(username, password, productType), loginClient.OnLoginSuccess, FailureCallback("log in"));
        }
        public static void Main(string[] args)
        {
            HeartbeatClient loginClient = new HeartbeatClient();

            if (args.Length != 4)
            {
                Console.WriteLine("Usage " + loginClient.GetType().Name + " <url> <username> <password> [CFD_DEMO|CFD_LIVE]");
                Environment.Exit(-1);
            }

            String      url         = args[0];
            String      username    = args[1];
            String      password    = args[2];
            ProductType productType = (ProductType)Enum.Parse(typeof(ProductType), args[3].ToUpper());

            LmaxApi lmaxApi = new LmaxApi(url);

            lmaxApi.Login(new LoginRequest(username, password, productType), loginClient.OnLoginSuccess, FailureCallback("log in"));
        }