select method

void select(
  1. int index
)

Asks the attached bar to select index.

Implementation

void select(int index) {
  final ValueChanged<int>? select = _select;
  if (select == null) {
    if (this.index == index) {
      return;
    }
    this.index = index;
    notifyListeners();
    return;
  }
  select(index);
}