+ virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags);
+
+private:
+ // the common part of all ctors
+ void Init();
+
+ // helper functions
+ inline bool DoGetItem(wxTreeViewItem *tvItem) const;
+ inline void DoSetItem(wxTreeViewItem *tvItem);
+
+ inline void DoExpand(const wxTreeItemId& item, int flag);