- ViewBTree (Canvas::Group *parent, std::string filename, uint block_size, int type);
+ ViewBTree (Canvas::Group *parent, std::string filename, uint block_size, int tree_type, int type);
+ ViewBTree (Canvas::Group *parent, const std::string filename);
+
+ static ViewBTree* Open (const std::string &filename);
+
+ void Clear ();
+ void HighliteKey (Clave &k);
+ void GoBack ();