+ /// Slolt called on object display\r
+ /// \param theObject a data object\r
+ /// \param theAIS a presentation object\r
+ virtual void onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS) {}\r
+\r
+ /// Slot called on before object erase\r
+ /// \param theObject a data object\r
+ /// \param theAIS a presentation object\r
+ virtual void onBeforeObjectErase(ObjectPtr theObject, AISObjectPtr theAIS) {}\r
+\r