func (v *TreePath) String() string {
	c := C.gtk_tree_path_to_string(v.native())
	return goString(c)
}
func (v *TreePath) String() string {
	c := C.gtk_tree_path_to_string(v.native())
	return goString(c)
}
// String is a wrapper around gtk_tree_path_to_string().