Provides data for the INotifyCollectionChanged.collectionChanged event.
Initializes a new instance of the NotifyCollectionChangedEventArgs class.
Type of action that caused the event to fire.
Item that was added or changed.
Index of the item.
Gets the action that caused the event to fire.
Gets the index at which the change occurred.
Gets the item that was added, removed, or changed.
Provides a value to use with events that do not have event data.
Provides a reset notification.