namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        IPEndPoint ipe1 = new IPEndPoint(IPAddress.Parse("192.168.11.18"), 18618);
        Socket Sock1 = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
        IPEndPoint ipe2 = new IPEndPoint(IPAddress.Parse("192.168.11.21"), 18618);
        Socket Sock2 = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

        public Form1()
        {
