| GrapeCity.ActiveReports.Viewer.Win.v9 Assembly > GrapeCity.Viewer.Common Namespace > INotifyCollectionChanged Interface : CollectionChanged Event |
'Declaration Event CollectionChanged As NotifyCollectionChangedEventHandler
event NotifyCollectionChangedEventHandler CollectionChanged
The event handler receives an argument of type NotifyCollectionChangedEventArgs containing data related to this event. The following NotifyCollectionChangedEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Action | |
| NewItems | |
| NewStartingIndex | |
| OldItems | |
| OldStartingIndex |