System.Net.Sockets.MultipleSocketMultipleConnectAsync.GetNextAddress C# (CSharp) Méthode

        protected override IPAddress GetNextAddress(out Socket attemptSocket)
        {
            if (_supportsIPv4 || _supportsIPv6)
            {
                while (_nextAddress < _addressList.Length)
                {
                    IPAddress rval = _addressList[_nextAddress];
                    ++_nextAddress;

                    if (_supportsIPv6 && rval.AddressFamily == AddressFamily.InterNetworkV6)
                    {
                        attemptSocket = new Socket(AddressFamily.InterNetworkV6, _socketType, _protocolType);
                        return rval;
                    }
                    else if (_supportsIPv4 && rval.AddressFamily == AddressFamily.InterNetwork)
                    {
                        attemptSocket = new Socket(AddressFamily.InterNetwork, _socketType, _protocolType);
                        return rval;
                    }
                }
            }

            attemptSocket = null;
            return null;
        }