Occurs when an item is added or removed.
Syntax
protected virtual event System.Collections.Specialized.NotifyCollectionChangedEventHandler CollectionChanged
Remarks
For more information, see System.Collections.Specialized.INotifyCollectionChanged.CollectionChanged.
Requirements
Namespace: System.Collections.ObjectModel
Assembly: System (in System.dll)
Assembly Versions: 4.0.0.0
Assembly: System (in System.dll)
Assembly Versions: 4.0.0.0