using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
class MainClass
{
public static void Main()
{
Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
IPEndPoint iep = new IPEndPoint(IPAddress.Any, 9888);
IPEndPoint iep2 = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 9999);
server.Bind(iep);
byte[] data = Encoding.ASCII.GetBytes("This is a test message");
server.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse("127.0.0.1")));
server.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, 50);
server.SendTo(data, iep2);
server.Close();
}
}
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