listbox.go
func (l *ListBox) Item(id int) (string, bool) {
	if len(l.items) <= id || id < 0 {
		return "", false
	}

	return l.items[id], true
}
func (l *ListBox) Item(id int) (string, bool) {
	if len(l.items) <= id || id < 0 {
		return "", false
	}

	return l.items[id], true
}
// Item returns item text by its index.
// If index is out of range an empty string and false are returned