C++ (Cpp) CComPtr::Attach Examples

Example #1

File: GitWCRevCOM.cpp Project: YueLinHo/TortoiseGit

//
// IClassFactory implementation
//
HRESULT __stdcall CFactory::CreateInstance(IUnknown* pUnknownOuter, const IID& iid, void** ppv)
{
	if (!ppv)
		return E_POINTER;

	// Cannot aggregate.
	if (pUnknownOuter)
		return CLASS_E_NOAGGREGATION ;

	// Create component.
	ATL::CComPtr<GitWCRev> pA;
	pA.Attach(new (std::nothrow) GitWCRev()); // refcount set to 1 in constructor
	if (!pA)
		return E_OUTOFMEMORY ;

	return pA->QueryInterface(iid, ppv);
}