public void AddRange(IEnumerable <LostObject> lostObjects)
{
LostObjects.AddRange(lostObjects);
// NOTE: adding items via wrapper's AddRange doesn't generate ListChanged event, so DataGridView doesn't update itself
// There are two solutions:
// 0. Add items one by one using direct this.Add method (without IList<T> wrapper).
// Too many ListChanged events will be generated (one per item), too many updates for gridview. Bad performance.
// 1. Batch add items through Items wrapper's AddRange method.
// One reset event will be generated, one batch update for gridview. Ugly but fast code.
OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
}
protected override void ApplySortCore(PropertyDescriptor propertyDescriptor, ListSortDirection direction)
{
LostObjects.Sort(LostObjectsComparer.Create(propertyDescriptor, direction == ListSortDirection.Descending));
}