gtk/gtk.go
func (v *TreeModel) GetIterFromString(path string) (*TreeIter, error) {
	var iter C.GtkTreeIter
	cstr := C.CString(path)
	defer C.free(unsafe.Pointer(cstr))
	c := C.gtk_tree_model_get_iter_from_string(v.native(), &iter,
		(*C.gchar)(cstr))
	if !gobool(c) {
		return nil, errors.New("Unable to set iterator")
	}
	t := &TreeIter{iter}
	return t, nil
}
func (v *TreeModel) GetIterFromString(path string) (*TreeIter, error) {
	var iter C.GtkTreeIter
	cstr := C.CString(path)
	defer C.free(unsafe.Pointer(cstr))
	c := C.gtk_tree_model_get_iter_from_string(v.native(), &iter,
		(*C.gchar)(cstr))
	if !gobool(c) {
		return nil, errors.New("Unable to set iterator")
	}
	t := &TreeIter{iter}
	return t, nil
}
// GetIterFromString() is a wrapper around
// gtk_tree_model_get_iter_from_string().