Occurs when the collection changes.
event NotifyCollectionChangedEventHandler CollectionChanged
The event handler receives an argument of type NotifyCollectionChangedEventArgs,which contains data that is related to this event.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.