2009-11-21  Raja R Harinath  <harinath@hurrynot.org>

	* INotifyCollectionChanged.cs [NET_4_0]: Forward type to System.dll.
	* NotifyCollectionChangedAction.cs: Likewise.
	* NotifyCollectionChangedEventArgs.cs: Likewise.
	* NotifyCollectionChangedEventHandler.cs: Likewise.

2008-11-04  Chris Toshok  <toshok@ximian.com>

	* CollectionChangedEventManager.cs: implement this using the msdn
	docs.  Unfortunately we lack the ability to write unit tests at
	the moment, as there's no (that I can find) public use of this
	type in the api.  Certainly not in WindowsBase.