/// 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 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"); }