New posts in Addrange

How can I improve performance of an AddRange method on a custom BindingList?

Is there an AddRange equivalent for a HashSet in C#

How to add a range of items to an IList?

List.AddRange with IEnumerable<T> parameter not working?

ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides what about INotifyCollectionChanging?