SAFEARRAY* saValues = DAVtqPtr->Value.parray;
		double* pVals;
		HRESULT hr = SafeArrayAccessData(saValues, (void**)&pVals); // direct access to SA memory
		if (SUCCEEDED(hr))
		{
			long lowerBound, upperBound;  // get array bounds
			SafeArrayGetLBound(saValues, 1, &lowerBound);
			SafeArrayGetUBound(saValues, 1, &upperBound);
 
			long cnt_elements = upperBound - lowerBound + 1;
			for (int i = 0; i < cnt_elements; ++i)  // iterate through returned values
			{
				double lVal = pVals[i];
				std::cout << "element " << i << ": value = " << lVal << std::endl;
			}
			SafeArrayUnaccessData(saValues);
		}
		SafeArrayDestroy(saValues);

//conStr should read from ini file
	CComBSTR conStr = L"http://opcxml.demo-this.com/XmlDaSampleServer/Service.asmx";
 
	//no of tags should read from CSV file
	int noOftags = 4;
 
	std::vector<CComBSTR> itemId;
	itemId.push_back(L"Dynamic/Analog Types/Double");
	itemId.push_back(L"Dynamic/Analog Types/Double[]");
	itemId.push_back(L"Dynamic/Analog Types/Int");
	itemId.push_back(L"Dynamic/Analog Types/Int[]");
 
	CComSafeArray<VARIANT> ArgumentsArray(noOftags);
 
	for (int i = 0; i < noOftags; i++)
	{
		_DAReadItemArgumentsPtr ReadItemArguments1Ptr(_uuidof(DAReadItemArguments));
		ReadItemArguments1Ptr->ServerDescriptor->UrlString = conStr.m_str;
		ReadItemArguments1Ptr->ItemDescriptor->ItemId = itemId[i].m_str;
		ArgumentsArray.SetAt(i, _variant_t((IDispatch*)ReadItemArguments1Ptr));
	}
 
	LPSAFEARRAY pArgumentsArray = ArgumentsArray.Detach();
	CComSafeArray<VARIANT> ResultArray(ClientPtr->ReadMultipleItems(&pArgumentsArray));
	ArgumentsArray.Attach(pArgumentsArray);
 
	for (int i = ResultArray.GetLowerBound(0); i <= ResultArray.GetUpperBound(0); i++)
	{
		_DAVtqResultPtr DAVtqResultPtr(ResultArray[i]);
 
		_ExceptionPtr ExceptionPtr(DAVtqResultPtr->Exception);
		if (ExceptionPtr != NULL)
		{
			_variant_t exceptionAsString(ExceptionPtr->ToString);
			_tprintf(_T("results(%d).Exception.ToString(): %s\n"), i, exceptionAsString.bstrVal);
			continue;
		}
 
		_DAVtqPtr DAVtqPtr(DAVtqResultPtr->Vtq);
		_variant_t vtqAsString(DAVtqPtr->ToString);
		_tprintf(_T("results(%d).Vtq.ToString(): %s\n"), i, vtqAsString.bstrVal);
	}
 
	// Release all interface pointers BEFORE calling CoUninitialize()
	ResultArray.Destroy();
	ClientPtr = NULL;
	itemId.clear();