#define AECGREXT_DECLARE_CLASS( Export, ClassName, ParentName ) \ class Export ClassName : public ParentName \ { \ ODRX_DECLARE_MEMBERS( ClassName ); \ public: \ virtual AECGr::Result getGripPoints( \ AECGripManager* pContext, std::vector<AECGripPtr>& aPts ); \ }; \ typedef OdSmartPtr<ClassName> ClassName##Ptr