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70 lines
1.8 KiB
70 lines
1.8 KiB
/****************************************************************************************
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* NAME: NapUtil.cpp
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*
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* OVERVIEW
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*
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* Internet Authentication Server: utility functions
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*
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* Copyright (C) Microsoft Corporation, 1998 - 1999 . All Rights Reserved.
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*
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* History:
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* 2/12/98 Created by Byao
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*****************************************************************************************/
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#include "Precompiled.h"
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#include "mmcUtility.h"
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#include "NapUtil.h"
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//+---------------------------------------------------------------------------
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//
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// Function: GetSdoInterfaceProperty
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//
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// Synopsis: Get an interface property from a SDO through its ISdo interface
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//
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// Arguments: ISdo *pISdo - Pointer to ISdo
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// LONG lPropId - property id
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// REFIID riid - ref iid
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// void ** ppvObject - pointer to the requested interface property
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//
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// Returns: HRESULT -
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//
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// History: Created Header byao 2/12/98 11:12:55 PM
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//
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//+---------------------------------------------------------------------------
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HRESULT GetSdoInterfaceProperty(ISdo *pISdo,
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LONG lPropId,
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REFIID riid,
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void ** ppvInterface)
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{
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CComVariant spVariant;
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CComBSTR bstr;
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HRESULT hr = S_OK;
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spVariant.vt = VT_DISPATCH;
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spVariant.pdispVal = NULL;
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hr = pISdo->GetProperty(lPropId, &spVariant);
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if ( FAILED(hr) )
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{
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ShowErrorDialog(NULL, IDS_ERROR_SDO_ERROR, NULL, hr );
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return hr;
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}
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_ASSERTE( spVariant.vt == VT_DISPATCH );
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// query the dispatch pointer for interface
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hr = spVariant.pdispVal->QueryInterface( riid, ppvInterface);
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if ( FAILED(hr) )
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{
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ShowErrorDialog(NULL,
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IDS_ERROR_SDO_ERROR_QUERYINTERFACE,
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NULL,
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hr
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);
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return hr;
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}
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spVariant.Clear();
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return S_OK;
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}
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