virtual void DrawP(Float_t,Float_t,Float_t,Float_t,Float_t,Int_t){}
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
virtual void DrawP(Float_t,Float_t,Float_t,Float_t,Float_t,Int_t){}
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);