75 lines
2 KiB
C++
75 lines
2 KiB
C++
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/*++
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Module Name:
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WrpMBWrp.cpp
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Abstract:
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A wrapper for my metabase wrapper wrapper. Why? All it does is provide
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AFX support for CString classes. Everything else is passed on to the parent
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Author:
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Boyd Multerer bmulterer@accessone.com
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--*/
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//C:\nt\public\sdk\lib\i386
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#include "stdafx.h"
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#include <iiscnfgp.h>
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#include "wrapmb.h"
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#include "WrpMBWrp.h"
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//-----------------------------------------------------------------------------
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BOOL CAFX_MetaWrapper::GetString( LPCTSTR pszPath, DWORD dwPropID, DWORD dwUserType,
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CString &sz, DWORD dwFlags )
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{
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PCHAR pData = NULL;
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DWORD cbData = 0;
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DWORD err = 0;
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BOOL f;
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// first, get the size of the data that we are looking for - it will fail because of the NULL,
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// but, the size we need should be in cbData;
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f = GetData( pszPath, dwPropID, dwUserType, STRING_METADATA, NULL, &cbData );
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// check the error - it should be some sort of memory error
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err = GetLastError();
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// it is ok that the GetData failed, but the reason had better be ERROR_INSUFFICIENT_BUFFER
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// otherwise, it is something we can't handle
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if ( err != ERROR_INSUFFICIENT_BUFFER )
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return FALSE;
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// allocate the buffer
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pData = (PCHAR)GlobalAlloc( GPTR, cbData + 1 );
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if ( !pData ) return FALSE;
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// zero out the buffer
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ZeroMemory( pData, cbData + 1 );
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// first, get the size of the data that we are looking for
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f = GetData( pszPath, dwPropID, dwUserType, STRING_METADATA, pData, &cbData );
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// if that getting failed, we need to cleanup
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if ( !f )
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{
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GlobalFree( pData );
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return FALSE;
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}
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// set the answer
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sz = pData;
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// clean up
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GlobalFree( pData );
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// return the allocated buffer
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return TRUE;
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}
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