// login packet maker
        const byte ProtocolVersion = 11;
        private void login() {
            ClientSends.Login userLogin = new ClientSends.Login();
            userLogin.ID = 1;
            userLogin.protocolVersion = 11;
            userLogin.username = userInfo.caseSensitiveName;
            userLogin.password = "Password";

            byte[] usernameBytes = Encoding.UTF8.GetBytes(userLogin.username);
            byte[] passwordBytes = Encoding.UTF8.GetBytes(userLogin.username);

            byte[] buffer = new byte[9 + usernameBytes.Length + passwordBytes.Length];

            buffer[0] = 1;
            buffer[4] = ProtocolVersion;

            ClientSends.ToNetOrder( (short)userLogin.username.Length, buffer, 5 );
            Array.Copy( usernameBytes, 0, buffer, 7, usernameBytes.Length );
            ClientSends.ToNetOrder( (short)userLogin.password.Length, buffer, 7 + usernameBytes.Length );
            Array.Copy( passwordBytes, 0, buffer, 9 + usernameBytes.Length, passwordBytes.Length );
        }


 // add this to ClientSends
            public static void ToNetOrder( short number, byte[] arr, int offset ) {
                arr[offset] = (byte)((number & 0xff00) >> 8);
                arr[offset + 1] = (byte)(number & 0x00ff);
            }