MulticastOptionCF 1.0, ECMA 1.0

System.Net.Sockets (system.dll)class

This class specifies an IP address for IP-multicast packets. IP-multicast addresses must be in the range of to The MulticastOption is set on a socket using the SocketOptionName.AddMembership value with Socket.SetSocketOption( ). You can drop multicast with SocketOptionName.DropMembership.

public class MulticastOption {
// Public Constructors
   public MulticastOption(System.Net.IPAddress group);
   public MulticastOption(System.Net.IPAddress group, System.Net.IPAddress mcint);
// Public Instance Properties
   public IPAddress Group{set; get; }
   public IPAddress LocalAddress{set; get; }

    Part II: Programming with the .NET Framework
    Part IV: API Quick Reference
    Chapter 26. System