public static extern uint DhcpEnumSubnetElementsV5(

        result = NativeMethods.DhcpEnumSubnetElementsV5(server.Address, subnet, NativeMethods.DHCP_SUBNET_ELEMENT_TYPE.DhcpReservedIps, ref resumeHandle, 1000, ref enumInfo, ref read, ref total);

            throw new DhcpException(result, "DhcpEnumSubnetElementsV5");