Removes all items from the collection.
protected override void ClearItems()
The base class calls this method when the list is being cleared. This implementation raises the CollectionChanged event.
For more information, see the ClearItems method of the Collection<T> base class.
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.