| GrapeCity.Windows.SpreadSheet.Data Namespace > NotifyCollectionBase<T> Class : CollectionChanged Event | 
'Declaration Public Event CollectionChanged As System.Collections.Specialized.NotifyCollectionChangedEventHandler
'Usage Dim instance As NotifyCollectionBase(Of T) Dim handler As System.Collections.Specialized.NotifyCollectionChangedEventHandler AddHandler instance.CollectionChanged, handler
public event System.Collections.Specialized.NotifyCollectionChangedEventHandler CollectionChanged
The event handler receives an argument of type System.Collections.Specialized.NotifyCollectionChangedEventArgs containing data related to this event. The following NotifyCollectionChangedEventArgs properties provide information specific to this event.
| Property | Description | 
|---|---|
| Action | |
| NewItems | |
| NewStartingIndex | |
| OldItems | |
| OldStartingIndex | 
Target Platforms: Windows 7, Windows 8 Desktop, Windows Vista SP1 or later, Windows Server 2000, Windows 2000 Professional (SP4), Windows XP (SP2), Windows 2008, Windows 2003 Server (SP1)