csharp
复制代码
namespace WindowsFormsApp1
{
delegate void adduserinfodel(string userinfo);//创建委托
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
mydel += addnf;
textBox1.Text = "192.168.0.6";
textBox2.Text = "666";
}
adduserinfodel mydel;
Thread th;
Socket _socket;
private void button1_Click(object sender, EventArgs e)
{
_socket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
IPAddress address = IPAddress.Parse(this.textBox1.Text.Trim());
IPEndPoint endPoint = new IPEndPoint(address,Convert.ToInt32(this.textBox2.Text.Trim()));
try
{
_socket.Bind(endPoint);
MessageBox.Show("创建OK");
}
catch(Exception ex)
{
MessageBox.Show("创建失败");
}
_socket.Listen(100);
th = new Thread(listenfuntion);
th.Start();
}
private void listenfuntion()
{
while (true)
{
Socket socketclient= _socket.Accept();
string info = socketclient.RemoteEndPoint.ToString();
Invoke(mydel, info);
Thread th = new Thread(receiveinfo);
th.IsBackground = true;
th.Start(socketclient);
}
}
private void receiveinfo(object obj)
{
Socket sckclient = obj as Socket;
if (sckclient != null)
{
byte[] arr = new byte[1024 * 1024 * 5];
int len = -1;
len = sckclient.Receive(arr);
if (len == 0)
{
}
else
{
//textBox3.Text=Encoding.UTF8.GetString(arr,0, len);
}
}
}
private void addnf(string a)
{
listBox1.Items.Add(a);
}
}
}