Gets the estimated number of records in the collection.
Assembly: PresentationFramework (in PresentationFramework.dll)
Property ValueType: System.Int32
One of the following:
Could not determine the count of the collection. This might be returned by a "virtualizing" view, where the view deliberately does not account for all items in the underlying collection because the view is attempting to increase efficiency and minimize dependence on always having the entire collection available.
any other integer
The count of the collection.