IPv6MulticastOption.cs

namespace System.Net.Sockets
{
    public class IPv6MulticastOption
    {
        private IPAddress m_Group;

        private long m_Interface;

        public IPAddress Group
        {
            get
            {
                return m_Group;
            }
            set
            {
                if (value == null)
                {
                    throw new ArgumentNullException("value");
                }
                m_Group = value;
            }
        }

        public long InterfaceIndex
        {
            get
            {
                return m_Interface;
            }
            set
            {
                if (value < 0 || value > uint.MaxValue)
                {
                    throw new ArgumentOutOfRangeException("value");
                }
                m_Interface = value;
            }
        }

        public IPv6MulticastOption(IPAddress group, long ifindex)
        {
            if (group == null)
            {
                throw new ArgumentNullException("group");
            }
            if (ifindex < 0 || ifindex > uint.MaxValue)
            {
                throw new ArgumentOutOfRangeException("ifindex");
            }
            Group = group;
            InterfaceIndex = ifindex;
        }

        public IPv6MulticastOption(IPAddress group)
        {
            if (group == null)
            {
                throw new ArgumentNullException("group");
            }
            Group = group;
            InterfaceIndex = 0L;
        }
    }
}