selectionChanges property

@override Stream<List<SelectionChangeRecord<T>>> get selectionChanges

A stream that returns changes to selected elements.

Implementation

@override
Stream<List<SelectionChangeRecord<T>>> get selectionChanges {
  if (_selectionChangeController == null) {
    _selectionChangeController =
        StreamController<List<SelectionChangeRecord<T>>>.broadcast(
            sync: true);
  }
  return _selectionChangeController!.stream;
}