func (v *TextIter) BackwardVisibleLines(v1 int) bool {
	return gobool(C.gtk_text_iter_backward_visible_lines(v.native(), C.gint(v1)))
}
func (v *TextIter) BackwardVisibleLines(v1 int) bool {
	return gobool(C.gtk_text_iter_backward_visible_lines(v.native(), C.gint(v1)))
}
// BackwardVisibleLines is a wrapper around gtk_text_iter_backward_visible_lines().