508 lines
12 KiB
C++
508 lines
12 KiB
C++
//---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1996
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//
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// File: cenumsch.cxx
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//
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// Contents: LDAP Schema Enumeration Code
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//
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// CLDAPSchemaEnum::CLDAPSchemaEnum()
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// CLDAPSchemaEnum::CLDAPSchemaEnum
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// CLDAPSchemaEnum::EnumObjects
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// CLDAPSchemaEnum::EnumObjects
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//
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// History:
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//----------------------------------------------------------------------------
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#include "ldap.hxx"
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#pragma hdrstop
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//+---------------------------------------------------------------------------
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//
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// Function: CLDAPSchemaEnum::Create
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//
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// Synopsis:
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//
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// Arguments: [pCollection]
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// [ppEnumVariant]
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//
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// Returns: HRESULT
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//
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// Modifies:
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//
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// History: 01-30-95 yihsins Created.
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//
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//----------------------------------------------------------------------------
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HRESULT
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CLDAPSchemaEnum::Create(
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CLDAPSchemaEnum FAR* FAR* ppenumvariant,
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BSTR bstrADsPath,
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BSTR bstrServerPath,
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VARIANT vFilter,
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CCredentials& Credentials
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)
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{
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HRESULT hr = S_OK;
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CLDAPSchemaEnum FAR* penumvariant = NULL;
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OBJECTINFO ObjectInfo;
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POBJECTINFO pObjectInfo = &ObjectInfo;
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memset(pObjectInfo, 0, sizeof(OBJECTINFO));
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*ppenumvariant = NULL;
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penumvariant = new CLDAPSchemaEnum();
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if (!penumvariant)
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{
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hr = E_OUTOFMEMORY;
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BAIL_ON_FAILURE(hr);
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}
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hr = ADsAllocString( bstrADsPath, &penumvariant->_bstrADsPath);
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BAIL_ON_FAILURE(hr);
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hr = ADsAllocString( bstrServerPath, &penumvariant->_bstrServerPath);
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BAIL_ON_FAILURE(hr);
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hr = ADsObject(bstrADsPath, pObjectInfo);
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BAIL_ON_FAILURE(hr);
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hr = SchemaOpen(
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bstrServerPath,
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&(penumvariant->_hSchema),
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Credentials,
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pObjectInfo->PortNumber
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);
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BAIL_ON_FAILURE(hr);
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hr = SchemaGetObjectCount(
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penumvariant->_hSchema,
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&(penumvariant->_nNumOfClasses),
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&(penumvariant->_nNumOfProperties) );
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BAIL_ON_FAILURE(hr);
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hr = ObjectTypeList::CreateObjectTypeList(
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vFilter,
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&penumvariant->_pObjList );
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BAIL_ON_FAILURE(hr);
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penumvariant->_Credentials = Credentials;
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*ppenumvariant = penumvariant;
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FreeObjectInfo(pObjectInfo);
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RRETURN(hr);
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error:
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FreeObjectInfo(pObjectInfo);
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delete penumvariant;
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RRETURN_EXP_IF_ERR(hr);
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}
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CLDAPSchemaEnum::CLDAPSchemaEnum()
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: _bstrADsPath( NULL ),
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_bstrServerPath( NULL ),
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_hSchema( NULL ),
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_pObjList( NULL ),
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_dwCurrentEntry( 0 ),
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_nNumOfClasses( 0 ),
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_nNumOfProperties( 0 )
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{
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}
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CLDAPSchemaEnum::~CLDAPSchemaEnum()
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{
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ADsFreeString( _bstrADsPath );
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ADsFreeString( _bstrServerPath );
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if ( _hSchema )
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{
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SchemaClose( &_hSchema );
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}
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if ( _pObjList != NULL )
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{
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delete _pObjList;
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_pObjList = NULL;
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}
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CLDAPSchemaEnum::Next
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//
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// Synopsis: Returns cElements number of requested NetOle objects in the
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// array supplied in pvar.
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//
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// Arguments: [cElements] -- The number of elements requested by client
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// [pvar] -- ptr to array of VARIANTs to for return objects
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// [pcElementFetched] -- if non-NULL, then number of elements
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// -- actually returned is placed here
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//
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// Returns: HRESULT -- S_OK if number of elements requested are returned
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// -- S_FALSE if number of elements is < requested
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//
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// Modifies:
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//
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// History: 11-3-95 yihsins Created.
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP
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CLDAPSchemaEnum::Next(
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ULONG cElements,
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VARIANT FAR* pvar,
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ULONG FAR* pcElementFetched
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)
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{
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ULONG cElementFetched = 0;
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HRESULT hr = S_OK;
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hr = EnumObjects( cElements,
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pvar,
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&cElementFetched );
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if ( pcElementFetched )
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*pcElementFetched = cElementFetched;
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RRETURN_EXP_IF_ERR(hr);
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}
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HRESULT
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CLDAPSchemaEnum::EnumObjects(
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DWORD ObjectType,
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ULONG cElements,
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VARIANT FAR * pvar,
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ULONG FAR * pcElementFetched
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)
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{
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HRESULT hr;
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switch (ObjectType)
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{
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case LDAP_CLASS_ID:
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hr = EnumClasses(cElements, pvar, pcElementFetched);
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break;
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case LDAP_PROPERTY_ID:
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hr = EnumProperties(cElements, pvar, pcElementFetched);
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break;
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case LDAP_SYNTAX_ID:
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hr = EnumSyntaxObjects(cElements, pvar, pcElementFetched);
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break;
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default:
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hr = S_FALSE;
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}
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RRETURN(hr);
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}
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HRESULT
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CLDAPSchemaEnum::EnumObjects(
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ULONG cElements,
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VARIANT FAR* pvar,
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ULONG FAR* pcElementFetched
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)
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{
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DWORD i;
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ULONG cRequested = 0;
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ULONG cFetchedByPath = 0;
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ULONG cTotalFetched = 0;
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VARIANT FAR* pPathvar = pvar;
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HRESULT hr = S_FALSE;
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DWORD ObjectType;
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for (i = 0; i < cElements; i++)
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VariantInit(&pvar[i]);
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cRequested = cElements;
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while ( SUCCEEDED( _pObjList->GetCurrentObject(&ObjectType))
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&& ((hr = EnumObjects( ObjectType,
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cRequested,
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pPathvar,
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&cFetchedByPath)) == S_FALSE )
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)
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{
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pPathvar += cFetchedByPath;
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cRequested -= cFetchedByPath;
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cTotalFetched += cFetchedByPath;
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cFetchedByPath = 0;
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if ( FAILED(_pObjList->Next()) )
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{
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if ( pcElementFetched )
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*pcElementFetched = cTotalFetched;
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RRETURN(S_FALSE);
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}
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_dwCurrentEntry = 0;
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}
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if ( pcElementFetched )
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*pcElementFetched = cTotalFetched + cFetchedByPath;
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RRETURN_EXP_IF_ERR(hr);
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}
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HRESULT
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CLDAPSchemaEnum::EnumClasses(
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ULONG cElements,
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VARIANT FAR* pvar,
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ULONG FAR* pcElementFetched
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)
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{
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HRESULT hr = S_OK;
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DWORD i = 0;
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IDispatch *pDispatch = NULL;
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while ( i < cElements )
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{
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hr = GetClassObject(&pDispatch);
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if ( hr == S_FALSE )
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break;
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VariantInit( &pvar[i] );
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pvar[i].vt = VT_DISPATCH;
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pvar[i].pdispVal = pDispatch;
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(*pcElementFetched)++;
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i++;
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}
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RRETURN(hr);
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}
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HRESULT
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CLDAPSchemaEnum::GetClassObject(
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IDispatch ** ppDispatch
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)
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{
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HRESULT hr = S_OK;
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CLASSINFO *pClassInfo = NULL;
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//
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// Now send back the current object
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//
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if ( _dwCurrentEntry >= _nNumOfClasses )
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goto error;
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hr = SchemaGetClassInfoByIndex(
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_hSchema,
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_dwCurrentEntry,
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&pClassInfo );
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BAIL_ON_FAILURE(hr);
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if (_Credentials.GetAuthFlags() & ADS_AUTH_RESERVED) {
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//
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// If we are in Umi land, then we cannot ask for dispatch.
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//
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hr = CLDAPClass::CreateClass(
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_bstrADsPath,
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_hSchema,
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pClassInfo->pszName,
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pClassInfo,
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_Credentials,
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ADS_OBJECT_BOUND,
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IID_IUnknown,
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(void **) ppDispatch
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);
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}
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else {
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hr = CLDAPClass::CreateClass(
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_bstrADsPath,
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_hSchema,
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pClassInfo->pszName,
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pClassInfo,
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_Credentials,
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ADS_OBJECT_BOUND,
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IID_IDispatch,
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(void **)ppDispatch
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);
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}
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BAIL_ON_FAILURE(hr);
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_dwCurrentEntry++;
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RRETURN(S_OK);
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error:
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*ppDispatch = NULL;
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RRETURN(S_FALSE);
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}
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HRESULT
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CLDAPSchemaEnum::EnumProperties(
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ULONG cElements,
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VARIANT FAR* pvar,
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ULONG FAR* pcElementFetched
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)
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{
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HRESULT hr = S_OK;
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DWORD i = 0;
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IDispatch *pDispatch = NULL;
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while ( i < cElements )
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{
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hr = GetPropertyObject(&pDispatch);
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if ( hr == S_FALSE )
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break;
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VariantInit( &pvar[i] );
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pvar[i].vt = VT_DISPATCH;
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pvar[i].pdispVal = pDispatch;
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(*pcElementFetched)++;
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i++;
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}
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RRETURN(hr);
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}
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HRESULT
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CLDAPSchemaEnum::GetPropertyObject(
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IDispatch ** ppDispatch
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)
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{
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HRESULT hr = S_OK;
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PROPERTYINFO *pPropertyInfo = NULL;
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//
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// Now send back the current object
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//
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if ( _dwCurrentEntry >= _nNumOfProperties )
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goto error;
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hr = SchemaGetPropertyInfoByIndex(
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_hSchema,
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_dwCurrentEntry,
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&pPropertyInfo );
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BAIL_ON_FAILURE(hr);
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if (_Credentials.GetAuthFlags() & ADS_AUTH_RESERVED) {
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//
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// In Umi land ask for IID_IUnknown.
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//
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hr = CLDAPProperty::CreateProperty(
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_bstrADsPath,
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_hSchema,
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pPropertyInfo->pszPropertyName,
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pPropertyInfo,
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_Credentials,
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ADS_OBJECT_BOUND,
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IID_IUnknown,
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(void **)ppDispatch
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);
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}
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else {
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hr = CLDAPProperty::CreateProperty(
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_bstrADsPath,
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_hSchema,
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pPropertyInfo->pszPropertyName,
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pPropertyInfo,
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_Credentials,
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ADS_OBJECT_BOUND,
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IID_IDispatch,
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(void **)ppDispatch
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);
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}
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BAIL_ON_FAILURE(hr);
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_dwCurrentEntry++;
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RRETURN(S_OK);
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error:
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*ppDispatch = NULL;
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RRETURN(S_FALSE);
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}
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HRESULT
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CLDAPSchemaEnum::EnumSyntaxObjects(
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ULONG cElements,
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VARIANT FAR* pvar,
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ULONG FAR* pcElementFetched
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)
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{
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HRESULT hr = S_OK;
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DWORD i = 0;
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IDispatch *pDispatch = NULL;
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while ( i < cElements )
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{
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hr = GetSyntaxObject(&pDispatch);
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if ( hr == S_FALSE )
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break;
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VariantInit( &pvar[i] );
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pvar[i].vt = VT_DISPATCH;
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pvar[i].pdispVal = pDispatch;
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(*pcElementFetched)++;
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i++;
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}
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RRETURN(hr);
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}
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HRESULT
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CLDAPSchemaEnum::GetSyntaxObject(
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IDispatch ** ppDispatch
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)
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{
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HRESULT hr = S_OK;
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//
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// Now send back the current object
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//
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if ( _dwCurrentEntry >= g_cLDAPSyntax )
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goto error;
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if (_Credentials.GetAuthFlags() & ADS_AUTH_RESERVED) {
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//
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// In Umi land ask for IID_IUnknown not dispatch.
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//
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hr = CLDAPSyntax::CreateSyntax(
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_bstrADsPath,
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&g_aLDAPSyntax[_dwCurrentEntry],
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_Credentials,
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ADS_OBJECT_BOUND,
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IID_IUnknown,
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(void **)ppDispatch
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);
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}
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else {
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hr = CLDAPSyntax::CreateSyntax(
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_bstrADsPath,
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&g_aLDAPSyntax[_dwCurrentEntry],
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_Credentials,
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ADS_OBJECT_BOUND,
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IID_IDispatch,
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(void **)ppDispatch
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);
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}
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BAIL_ON_FAILURE(hr);
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_dwCurrentEntry++;
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RRETURN(S_OK);
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error:
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*ppDispatch = NULL;
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RRETURN(S_FALSE);
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}
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