The CountProperty indicates the number of items in a list or collection.
All collections and lists.
Expression that evaluates to an object in the Applies To list
HRESULT GetCount(LPLONG plConnectionID);
The Count property is modified when items are added or removed from a collection or list, or when the Refresh method retrieves new values from an instance of Microsoft® SQL Server™. The property always reflects the number of items currently in the collection or list.