+
+ protected:
+ typedef vtkSmartPointer< vtkRenderWindowInteractor > _TInteractor;
+ struct _TInteractorCmp
+ {
+ bool operator()(
+ const _TInteractor& a, const _TInteractor& b
+ ) const
+ { return( a.GetPointer( ) < b.GetPointer( ) ); }
+ };
+ std::set< _TInteractor, _TInteractorCmp > m_Interactors;
+