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105 lines
3.0 KiB
105 lines
3.0 KiB
//
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// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
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//
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// ***************************************************************************
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//
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// Original Author: Rajesh Rao
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//
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// $Author: rajeshr $
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// $Date: 6/11/98 4:43p $
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// $Workfile:adsihelp.cpp $
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//
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// $Modtime: 6/11/98 11:21a $
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// $Revision: 1 $
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// $Nokeywords: $
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//
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//
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// Description: Contains the implementation the CADSIHelper class. This is
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// a class that has many static helper functions pertaining to ADSI
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//***************************************************************************
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/////////////////////////////////////////////////////////////////////////
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#include <windows.h>
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#include <activeds.h>
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#include "adsihelp.h"
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//***************************************************************************
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//
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// CADSiHelper::ProcessBSTRArrayProperty
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//
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// Purpose: Processes a variant containing an array of BSTR or a single BSTR
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//
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// Parameters:
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// pVariant : The variant to be processed
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// ppStrPropertyValue : The addres of the pointer to a BSTR array where the list of BSTRS representing
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// the ADSI paths of the derived classes will be put
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// lNumber : The number of elements in the retrieved array.
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//
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//
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// Return Value: The COM value representing the return status. It is the responsibility
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// of the caller to release the array that is returned, as well as its contents. The varinat
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// passed in is not cleared
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//
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//***************************************************************************
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HRESULT CADSIHelper :: ProcessBSTRArrayProperty(VARIANT *pVariant, BSTR **ppStrPropertyValues, LONG *lpNumber)
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{
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HRESULT result = S_OK;
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VARIANT vTemp;
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if(pVariant->vt == VT_BSTR) // When the number of values is 1
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{
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*lpNumber = 1;
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*ppStrPropertyValues = new BSTR[*lpNumber];
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(*ppStrPropertyValues)[0] = SysAllocString(pVariant->bstrVal);
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}
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else if (pVariant->vt == (VT_VARIANT|VT_ARRAY) )
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{
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SAFEARRAY *pSafeArray = pVariant->parray;
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*lpNumber = 0;
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if(SUCCEEDED(result = SafeArrayGetUBound(pSafeArray, 1, lpNumber)) )
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{
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*ppStrPropertyValues = new BSTR[*lpNumber];
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for(LONG index=0L; index<(*lpNumber); index++)
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{
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if( FAILED( result = SafeArrayGetElement(pSafeArray, &index, (LPVOID)&vTemp) ))
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{
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// Reset the count to the actual number retrieved
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*lpNumber = index;
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break;
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}
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(*ppStrPropertyValues)[index] = SysAllocString(vTemp.bstrVal);
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VariantClear(&vTemp);
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}
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}
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}
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else
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result = E_FAIL;
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return result;
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}
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//***************************************************************************
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//
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// CADSiHelper :: DeallocateBSTRArray
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//
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// Purpose: Deallocates an array of BSTRs and its contents
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//
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// Parameters:
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// pStrPropertyValue : The pointer to the array to be deallocated
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// lNumber : The number of elements in the array.
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//
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//
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// Return Value: None
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//
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//***************************************************************************
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void CADSIHelper :: DeallocateBSTRArray(BSTR *pStrPropertyValue, LONG lNumber)
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{
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for(lNumber--; lNumber>=0; lNumber--)
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SysFreeString(pStrPropertyValue[lNumber]);
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delete[] pStrPropertyValue;
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}
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