pinvoke.net: Edit: dhcpsapi.DhcpEnumSubnetElementsV5

@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$
@pinvoke=http://pinvoke.net/$$$.htm

Summary: TODO - a short description

!!!!C# Signature:
 [DllImport("dhcpsapi.dll", SetLastError = true, CharSet = CharSet.Unicode)]
 public static extern uint DhcpEnumSubnetElementsV5(
 	string ServerIpAddress,
 	uint SubnetAddress,
 	DHCP_SUBNET_ELEMENT_TYPE EnumElementType,
 	ref uint ResumeHandle,
 	uint PreferredMaximum,
 	ref IntPtr EnumElementInfo,
 	ref uint ElementsRead,
 	ref uint ElementsTotal);

!!!!User-Defined Types:
 
 const uint ERROR_SUCCESS = 0;
 const uint ERROR_MORE_DATA = 234;
 const uint ERROR_NO_MORE_ITEMS = 259;
 
 [StructLayout(LayoutKind.Sequential)]
 struct DHCP_SUBNET_ELEMENT_INFO_ARRAY_V5 {
 	public uint NumElements;
 	public IntPtr Elements;
 }
 
 [StructLayout(LayoutKind.Sequential)]
 struct DHCP_SUBNET_ELEMENT_DATA_V5 {
 	public DHCP_SUBNET_ELEMENT_TYPE ElementType;
 	public IntPtr ElementValue;
 }
 
 [StructLayout(LayoutKind.Sequential)]
 struct DHCP_IP_RANGE {
 	public uint StartAddress;
 	public uint EndAddress;
 }
 
 enum DHCP_SUBNET_ELEMENT_TYPE : uint {
 	DhcpIpRanges,
 	DhcpSecondaryHosts,
 	DhcpReservedIps,
 	DhcpExcludedIpRanges,
 	DhcpIpRangesDhcpOnly,
 	DhcpIpRangesDhcpBootp,
 	DhcpIpRangesBootpOnly
 }

!!!!Alternative Managed API:
Do you know one?  Please contribute it!

!!!!Notes:
None.

!!!!Tips & Tricks:

Completed library DHCP functions.

http://www.rupj.net/portfolio/dhcp-web-services.html

!!!!Sample Code:
 
 public static List<DhcpIpAddress> GetReservedIps(DhcpServer server, DhcpIpAddress subnet) {
 	List<DhcpIpAddress> reservations = new List<DhcpIpAddress>();
 
 	uint resumeHandle = 0;
 	uint read = 0, total = 0;
 	IntPtr enumInfo = IntPtr.Zero;
 	uint result = 0;
 
 	do {
 		result = NativeMethods.DhcpEnumSubnetElementsV5(server.Address, subnet, NativeMethods.DHCP_SUBNET_ELEMENT_TYPE.DhcpReservedIps, ref resumeHandle, 1000, ref enumInfo, ref read, ref total);
 		if (result == NativeMethods.ERROR_NO_MORE_ITEMS) break;
 
 		if ((result != NativeMethods.ERROR_SUCCESS && result != NativeMethods.ERROR_MORE_DATA) || enumInfo == IntPtr.Zero)
 			throw new DhcpException(result, "DhcpEnumSubnetElementsV5");

NativeMethods.DHCP_SUBNET_ELEMENT_INFO_ARRAY_V5 data;
 		data = (NativeMethods.DHCP_SUBNET_ELEMENT_INFO_ARRAY_V5) Marshal.PtrToStructure(enumInfo, typeof(NativeMethods.DHCP_SUBNET_ELEMENT_INFO_ARRAY_V5));
 
 		for (int i = 0; i < data.NumElements; i++) {
 			IntPtr p = (IntPtr) ((int) data.Elements + (i * Marshal.SizeOf(typeof(NativeMethods.DHCP_SUBNET_ELEMENT_DATA_V5))));
 
 			NativeMethods.DHCP_SUBNET_ELEMENT_DATA_V5 element;
 			element = (NativeMethods.DHCP_SUBNET_ELEMENT_DATA_V5) Marshal.PtrToStructure(p, typeof(NativeMethods.DHCP_SUBNET_ELEMENT_DATA_V5));
 
 			if (element.ElementType == NativeMethods.DHCP_SUBNET_ELEMENT_TYPE.DhcpReservedIps) {
 				NativeMethods.DHCP_IP_RESERVATION_V4 reservation;
 				reservation = (NativeMethods.DHCP_IP_RESERVATION_V4) Marshal.PtrToStructure(element.ElementValue, typeof(NativeMethods.DHCP_IP_RESERVATION_V4));
 
 				reservations.Add(new DhcpIpAddress(reservation.ReservedIpAddress));
 			}
 		}
 	}
 	while (result == NativeMethods.ERROR_MORE_DATA);
 
 	return reservations;
 }

Documentation: DhcpEnumSubnetElementsV5@msdn on MSDN