Occurs when the items list of the collection has changed, or the collection is reset.
Declaration Syntax| C# | Visual Basic | Visual C++ |
public event NotifyCollectionChangedEventHandler CollectionChanged
Public Event CollectionChanged As NotifyCollectionChangedEventHandler
public: virtual event NotifyCollectionChangedEventHandler^ CollectionChanged { void add (NotifyCollectionChangedEventHandler^ value); void remove (NotifyCollectionChangedEventHandler^ value); }