Socket編程三

用戶端

using System.Windows.Forms;
using System.Net;
using System.Threading;
using System.Net.Sockets;
namespace QQ
{
    public partial class Socketclient : Form
    {
        public Socketclient()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            string str = this.textBox1.Text.ToString();
            BeginSend(str);
        }
        private void BeginSend(string str)
        {
            IPAddress serverIp = IPAddress.Parse("127.0.0.1");
            IPEndPoint iep = new IPEndPoint(serverIp,8000);
            byte[] byteMessage;
            Socket socket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
            socket.Connect(iep);
            byteMessage = Encoding.ASCII.GetBytes(str);
            socket.Send(byteMessage);
            socket.Shutdown(SocketShutdown.Both);
            socket.Close();
        }
    }
}