@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: TODO - a short description !!!!C# Signature: [DllImport("Ntdsapi.dll", CharSet = CharSet.Auto, SetLastError = true)] internal static extern uint DsMapSchemaGuids( IntPtr hDs, uint cGuids, Guid[] rGuids, out IntPtr ppGuidMap); !!!!VB Signature: <DllImport("Ntdsapi.dll", CharSet := CharSet.Auto, SetLastError := True)> _ Friend Shared Function DsMapSchemaGuids(hDs As IntPtr, cGuids As UInteger, rGuids As Guid(), ByRef ppGuidMap As IntPtr) As UInteger End Function !!!!User-Defined Types: None. !!!!Alternative Managed API: Do you know one? Please contribute it! !!!!Notes: Requires DsBind, recommend DsUnBind and DsFreeSchemaGuidMap !!!!Tips & Tricks: Please add some! !!!!Sample Code: static void Main(string[] args) { string domainController = "domaincontroller.contoso.com"; string domain = "contoso.com"; IntPtr phDS = new IntPtr(0); IntPtr guidMap = new IntPtr(0); uint result; Guid[] myGuids = { new Guid("{e0fa1e69-9b45-11d0-afdd-00c04fd930c9}"), new Guid("{771727b1-31b8-4cdf-ae62-4fe39fadf89e}"), new Guid("{d5eb2eb7-be4e-463b-a214-634a44d7392e}"), new Guid("{e0fa1e8c-9b45-11d0-afdd-00c04fd930c9}") }; //Result of 0 is successful. result = DsBind(domainController, domain, out phDS); if (result == 0) { result = DsMapSchemaGuids(phDS, (uint)myGuids.Length, myGuids, out guidMap); DS_SCHEMA_GUID_MAP[] guidMapResult = parseGuids(guidMap, myGuids.Length, true); for (int i = 0; i < guidMapResult.Length; i++) { Console.WriteLine("{0} = {1}", myGuids[i], guidMapResult[i].pName); } result = DsUnBind(phDS); } else { Console.WriteLine("Couldn't bind to the domain {0} on domain controller {1}.", domain, domainController); } Console.ReadKey(); } [DllImport("Ntdsapi.dll", CharSet = CharSet.Auto, SetLastError = true)] internal static extern uint DsMapSchemaGuids( IntPtr hDs, uint cGuids, Guid[] rGuids, out IntPtr ppGuidMap); [DllImport("Ntdsapi.dll", SetLastError = true)] internal static extern void DsFreeSchemaGuidMap( IntPtr pGuidMap); [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] internal class GUID { internal uint Data1; internal int Data2; internal int Data3; [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] internal byte[] Data4 = new byte[8]; } [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] internal struct DS_SCHEMA_GUID_MAP { internal GUID guid; internal uint guidType; internal string pName; } [DllImport("ntdsapi.dll", CharSet = CharSet.Auto)] static public extern uint DsBind( string DomainControllerName, string DnsDomainName, out IntPtr phDS); [DllImport("ntdsapi.dll", CharSet = CharSet.Auto)] static extern uint DsUnBind( IntPtr phDS); private static DS_SCHEMA_GUID_MAP[] parseGuids(IntPtr guidMap, int numGuids, bool freePointer) { int typeSize = Marshal.SizeOf(typeof(DS_SCHEMA_GUID_MAP)); DS_SCHEMA_GUID_MAP[] schemaMap = new DS_SCHEMA_GUID_MAP[numGuids]; IntPtr guidPointer = guidMap; for (int i = 0; i < numGuids; i++) { schemaMap[i] = (DS_SCHEMA_GUID_MAP)Marshal.PtrToStructure( new IntPtr ( (long)guidPointer + i * typeSize ), typeof(DS_SCHEMA_GUID_MAP) ); } if (freePointer) { DsFreeSchemaGuidMap(guidPointer); } return schemaMap; } Documentation: DsMapSchemaGuids@msdn on MSDN
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