'Declaration Public Function New( _ ByVal action As NotifyCollectionChangedAction, _ ByVal newItem As System.Object, _ ByVal oldItem As System.Object _ )
public NotifyCollectionChangedEventArgs( NotifyCollectionChangedAction action, System.object newItem, System.object oldItem )
Parameters
- action
 - The NotifyCollectionChangedAction action that caused a INotifyCollectionChanged.CollectionChanged event.
 - newItem
 - The new item.
 - oldItem
 - The old item.