C / C++ / MFC

//purpose: resolve the msg file to have the message class
	//
	HRESULT hResult;		
	WORD          wKey = 0; 	
	LARGE_INTEGER liZero = { 0 }; 
	LPSTREAM      pTNEFStream = NULL; 
	LPITNEF       pTNEFObj = NULL; 	

	
	MAPIINIT_0 MInit;	
	MInit.ulVersion = MAPI_INIT_VERSION;
	MInit.ulFlags = 0;

	hResult = MAPIInitialize(NULL);	

	if (hResult !=S_OK){ 			
		throw(HResultException("MapiInit ResolveMsg",0));						
	 }    
	IMalloc *m_pMalloc;	
	hResult = CoGetMalloc(1, &m_pMalloc);
	
	if (hResult !=S_OK){ 			
		throw(HResultException("CoMalloc ResolveMsg",0));						
	}		
	
	IStorage *pStorage = NULL;
	LPMSGSESS pMsgSession =  NULL;
	LPMESSAGE pIMsg = NULL;
	
	hResult = ::StgOpenStorageEx(_bstr_t(msgName.c_str()),STGM_READWRITE |STGM_TRANSACTED ,STGFMT_DOCFILE ,0,
		NULL, NULL, IID_IStorage,(void**)&pStorage);

	if (hResult !=S_OK){ 			 		
		throw(HResultException("stgStorage ResolveMsg",0));						
	 }
	if (pStorage==NULL) 
		throw(HResultException("stgStorageNull ResolveMsg",0));						
	
	hResult = ::OpenIMsgSession(m_pMalloc, 0, &pMsgSession);	
	if (hResult !=S_OK){ 			 		
		throw(HResultException("OpenImsgSession ResolveMsg",0));						
	 }	
	hResult = ::OpenIMsgOnIStg(pMsgSession,MAPIAllocateBuffer,MAPIAllocateMore,MAPIFreeBuffer,m_pMalloc,0,
							pStorage,0, 0, 0, &pIMsg);  

	if (hResult !=S_OK){ 			 		
		throw(HResultException("OpenIMsgOnIStg ResolveMsg",0));
	 }

	hResult = WriteClassStg(pStorage, CLSID_MailMessage);

	if (hResult !=S_OK){ 			 		
		throw(HResultException("WriteClassStg ResolveMsg",0));
	 }	

	HRESULT hrProperty;		
	LPSPropValue lpPropValue = NULL;

	hrProperty = HrGetOneProp((LPMAPIPROP)pIMsg,PR_MESSAGE_CLASS ,&lpPropValue);	

	if (hrProperty != S_OK){ 
		
		loopMsg(pIMsg,pStorage);

		hResult = pIMsg->SaveChanges (KEEP_OPEN_READWRITE);	
		
		if (hResult !=S_OK){ 			 			
			throw(HResultException("pIMsg->SaveChanges ResolveMsg",hResult));						
		 }

		hResult = pStorage->Commit(STGC_DEFAULT);

		if (hResult !=S_OK){ 			 			
			throw(HResultException("Commit of HTML failed in redmap::MailFile::decodeTnef", hResult));
		}	
	}

	////additional by jdeguzman	
	
	hrProperty = HrGetOneProp((LPMAPIPROP)pIMsg, PR_BODY_HTML, &lpPropValue);
	hrProperty = HrGetOneProp((LPMAPIPROP)pIMsg, PR_HTML, &lpPropValue);
	CBase64* baseconvert = new CBase64;
	//baseconvert->Decode(
	if (hrProperty != S_OK) 
	{		 
		hrProperty = HrGetOneProp((LPMAPIPROP)pIMsg, PR_BODY_HTML_B, &lpPropValue);		
		if (hrProperty == S_OK){
			CString text;
			text.GetBufferSetLength(lpPropValue[0].Value.bin.cb + 1);
			text.SetString((LPCSTR)lpPropValue[0].Value.bin.lpb,lpPropValue[0].Value.bin.cb);		
		
			enum {BODY, MSG_ADDPROPS };		
			SPropValue lpPropValueArray2[MSG_ADDPROPS];

			lpPropValueArray2[BODY].ulPropTag = PR_BODY_HTML;			
			lpPropValueArray2[BODY].Value.lpszA = (LPSTR)text.GetString();
		
			hResult =  pIMsg->SetProps(MSG_ADDPROPS, lpPropValueArray2,NULL);	
			if (hResult !=S_OK){ 			 
				throw(HResultException("SetProps of HTML failed in redmap::MailFile::decodeTnef", hResult));								
			}

			hResult = pIMsg->SaveChanges (KEEP_OPEN_READWRITE);   
			if (hResult !=S_OK){ 			 
				throw(HResultException("SaveChanges of HTML failed in redmap::MailFile::decodeTnef", hResult));
			}

			hResult = pStorage->Commit(STGC_DEFAULT);
			if (hResult !=S_OK){ 			 
				throw(HResultException("Commit of HTML failed in redmap::MailFile::decodeTnef", hResult));			
			}
			if (lpPropValue) MAPIFreeBuffer(lpPropValue);			
		}
	}

	pIMsg->Release();
	pIMsg = NULL;	
	CloseIMsgSession ( pMsgSession );
	pMsgSession =  NULL;  
	
	pStorage->Release();
	pStorage=NULL;	

	::MAPIUninitialize();  

	
	return 1;