C++ (Cpp) CAtlArray::GetAt Examples

Example #1

File: OPCItem.cpp Project: fahram/DataServer

void COPCItem::getProperties(const CAtlArray<CPropertyDescription> &propsToRead, ATL::CAutoPtrArray<SPropertyValue> &propsRead){
	unsigned noProperties = (DWORD)propsToRead.GetCount();
	VARIANT *pValues = NULL;
	HRESULT *pErrors = NULL;
	DWORD *pPropertyIDs = new DWORD[noProperties];
	for (unsigned i = 0; i < noProperties; i++){
		pPropertyIDs[i] = propsToRead.GetAt(i).id;
	}
	propsRead.RemoveAll();
	propsRead.SetCount(noProperties);
	
	USES_CONVERSION;
	HRESULT res = group.getServer().getPropertiesInterface()->GetItemProperties(T2OLE(name), noProperties, pPropertyIDs, &pValues, &pErrors);
	delete []pPropertyIDs;
	if (FAILED(res)){
		throw OPCException("Failed to restrieve property values", res);
	}

	for (unsigned i = 0; i < noProperties; i++){
		CAutoPtr<SPropertyValue> v;
		if (!FAILED(pErrors[i])){
			v.Attach(new SPropertyValue(propsToRead[i], pValues[i]));
		}
		propsRead[i]=v;
	}

	COPCClient::comFree(pErrors);
	COPCClient::comFreeVariant(pValues, noProperties);
}