System.Net.Sockets.IPv6MulticastOption.IPv6MulticastOption C# (CSharp) Method

        public IPv6MulticastOption(IPAddress group, long ifindex) {

            if (group == null) {
                throw new ArgumentNullException("group");
            }

            if ( ifindex < 0 || ifindex > 0x00000000FFFFFFFF ) {
                throw new ArgumentOutOfRangeException("ifindex");
            }

            Group          = group;
            InterfaceIndex = ifindex;
        }