SetMulticastOption()

static SocketError System.Net.Sockets.SocketPal.SetMulticastOption ( SafeSocketHandle handle, SocketOptionName optionName, MulticastOption optionValue )

inlinestatic

Definition at line 527 of file SocketPal.cs.

    {
        global::Interop.Winsock.IPMulticastRequest mreq = default(global::Interop.Winsock.IPMulticastRequest);
        mreq.MulticastAddress = (int)optionValue.Group.Address;
        if (optionValue.LocalAddress != null)
        {
            mreq.InterfaceAddress = (int)optionValue.LocalAddress.Address;
        }
        else
        {
            int interfaceAddress = IPAddress.HostToNetworkOrder(optionValue.InterfaceIndex);
            mreq.InterfaceAddress = interfaceAddress;
        }
        SocketError socketError = global::Interop.Winsock.setsockopt(handle, SocketOptionLevel.IP, optionName, ref mreq, global::Interop.Winsock.IPMulticastRequest.Size);
        if (socketError != SocketError.SocketError)
        {
            return SocketError.Success;
        }
        return GetLastSocketError();
    }

References System.Net.Sockets.SocketPal.GetLastSocketError(), System.handle, and System.Net.IPAddress.HostToNetworkOrder().

Referenced by System.Net.Sockets.Socket.SetMulticastOption().