// Update is called once per frame void Update() { if (Input.GetKeyDown(KeyCode.A)) { tcpSocket.Connect("127.0.0.1", 18002); } if (Input.GetKeyDown(KeyCode.B)) { byte[] tmpBytes = System.Text.Encoding.Default.GetBytes(" 1707 !!!"); tcpSocket.Send(tmpBytes); } if (tcpSocket != null && tcpSocket.Connected()) { tcpSocket.Recive(); } }