Hi Elena, If your class TANA derives from TObject, you should implement TANA::Clear(Option_t *option); ie with the same signature as in TObject, otherwise the compiler will correctly report a Warning. Rene Brun Elena Vataga wrote: > > Hello! > > Sorry for very naive question. > > I wrote class with my analysis variables which > inherit from TObject class and contains > several TClonesArray* Electrons, Muons, Jets etc . > > When trying to put in destructor > Electrons->Clear(); > I am getting warning message: > > function "TObject::Clear(Option_t *)" is hidden by "TANA::Clear" > -- virtual function override intended? > void Clear(); > > Shell I just leave destructor vote? > Or shell I use > Electrons->Delete() > in TANA::~TANA ? > > Thank you in advance, > Elena
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