int type = d.getKeyType ();
int atype = d.getTreeType ();
tree = Glib::RefPtr<ViewBTree>(new ViewBTree (real_canvas->root(), "test.idx", d.getBlockSize (), atype, type));
int type = d.getKeyType ();
int atype = d.getTreeType ();
tree = Glib::RefPtr<ViewBTree>(new ViewBTree (real_canvas->root(), "test.idx", d.getBlockSize (), atype, type));