+ virtual const std::vector<tree::Node*>& GetSelected(int level){ GimmickError("INTERNAL ERROR : TreeView::GetSelected not overloaded"); }
+
+ /// Gets the next nodes on the list, be it up(true) or down(false).
+ virtual void GetNodes(std::vector<tree::Node*>& nodes, bool direction){ GimmickError("INTERNAL ERROR : TreeView::GetNodes not overloaded"); }
+
+ /// Gets the attributes that are being shown and the ones that have been blocked on a specific level
+ virtual void GetAttributes(std::vector<std::string>& areShown, std::vector<std::string>& notShown, int level){ GimmickError("INTERNAL ERROR : TreeView::GetAttributes not overloaded"); }
+
+ ///Sets the non visible attributes and refreshes the GUI
+ virtual void SetNonVisibleAttributes(const std::vector<std::string>& notShown, int level){ GimmickError("INTERNAL ERROR : TreeView::SetNonVisibleAttributes not overloaded"); }
+
+ ///Creates a new listctrl
+ virtual void CreateCtrl(std::vector<std::string>& notShown, int nlevel){ GimmickError("INTERNAL ERROR : TreeView::CreateCtrl not overloaded"); }