.NET Framework 4.6 and 4.5
The ItemsChangedEventArgs type exposes the following members.
|Action||Gets the action that occurred on the items collection.|
|ItemCount||Gets the number of items that were involved in the change.|
|ItemUICount||Gets the number of user interface (UI) elements involved in the change.|
|OldPosition||Gets the position in the collection before the change occurred.|
|Position||Gets the position in the collection where the change occurred.|