StringBuilder sb = new StringBuilder();             //這個是用來保存：接收到了的，但是還沒有結束的消息
        public void ReceiveMessage(object state)            //這個函數會被以線程方式運行
        {
            Socket socket = (Socket)state;
            while(true)
            {
                byte[] buffer = new byte[receiveBufferSize];  //buffer大小，此處為1024
                int receivedSize=socket.Receive(buffer);

                string rawMsg=System.Text.Encoding.Default.GetString(buffer, 0, receivedSize);
                int rnFixLength = terminateString.Length;   //這個是指消息結束符的長度，此處為/r/n
                for(int i=0;i<rawMsg.Length;)               //遍歷接收到的整個buffer文本
                {
                    if (i <= rawMsg.Length - rnFixLength)
                    {
                        if (rawMsg.Substring(i, rnFixLength) != terminateString)//非消息結束符，則加入sb
                        {
                            sb.Append(rawMsg[i]);
                            i++;
                        }
                        else
                        {
                            this.OnNewMessageReceived(sb.ToString());//找到了消息結束符，觸發消息接收完成事件
                            sb.Clear();
                            i += rnFixLength;
                        }  
                    }
                    else
                    {
                        sb.Append(rawMsg[i]);
                        i++;
                    }
                }
            }
        }

A2DTcpClient client = new A2DTcpClient("127.0.0.1", 5000);
            client.NewMessageReceived += new MessageReceived(client_NewMessageReceived);
            client.Connect();
            client.Send("HELLO");
            client.Close();

 

        static void client_NewMessageReceived(string msg)
        {
            Console.WriteLine(msg);
        }