笔记-TCPCLIENT

                byte[] myReadBuffer = new byte[1024];

        private void ReceiveMessage()
        {
            try
            {
                tcpClient = new System.Net.Sockets.TcpClient("192.168.1.3", 8888);//创建TcpClient对象实例 

            }
            catch (Exception le)
            {
            }
            netStream = tcpClient.GetStream();//得到网络流
            if (netStream.CanWrite)
            {

                byte[] myWriteBuffer = Encoding.ASCII.GetBytes("Are you receiving this message?");
                netStream.BeginWrite(myWriteBuffer, 0, myWriteBuffer.Length,
                                                             new AsyncCallback(myWriteCallBack),
                                                             netStream);
                allDone.WaitOne();
            }
            else
            {
                Console.WriteLine("Sorry.  You cannot write to this NetworkStream.");
            }
            if (netStream.CanRead)
            {
                netStream.BeginRead(myReadBuffer, 0, myReadBuffer.Length,myReadCallBack,netStream);

                allDone.WaitOne();
            }
            else
            {
                Console.WriteLine("Sorry.  You cannot read from this NetworkStream.");
            }
            
        }
        public void myWriteCallBack(IAsyncResult ar)
        {
            NetworkStream myNetworkStream = (NetworkStream)ar.AsyncState;
            myNetworkStream.EndWrite(ar);
            allDone.Set();
        }
        public void myReadCallBack(IAsyncResult ar)
        {
            StringBuilder myCompleteMessage = new StringBuilder();
            NetworkStream myNetworkStream = (NetworkStream)ar.AsyncState;
            int numberOfBytesRead;
            numberOfBytesRead = myNetworkStream.EndRead(ar);
            string str = Encoding.ASCII.GetString(myReadBuffer, 0, numberOfBytesRead);
            myCompleteMessage.AppendFormat("{0}", str);
            // message received may be larger than buffer size so loop through until you have it all.
            while (myNetworkStream.DataAvailable)
            {
                myNetworkStream.BeginRead(myReadBuffer, 0, myReadBuffer.Length,new AsyncCallback(myReadCallBack), myNetworkStream);
                //
            }

            // Print out the received message to the console.
            TextBox2.Text = myCompleteMessage.ToString();
            allDone.Set();
        }