Method QueryInterface

Src/DropHandler.cpp:292–302

DropHandler::~DropHandler() = default;

HRESULT STDMETHODCALLTYPE DropHandler::QueryInterface(REFIID riid, void **ppvObject)
{
	if (!IsEqualIID(riid, IID_IUnknown) && !IsEqualIID(riid, IID_IDropTarget))
	{
		*ppvObject = nullptr;
		return E_NOINTERFACE;
	}
	*ppvObject = static_cast<IDropTarget *>(this);
	AddRef();
	return S_OK;
}

ULONG STDMETHODCALLTYPE DropHandler::AddRef(void)
{