This differs from OnPostDelete. This event is called during the preparation of the delete operation
but before it is actually executed. AfterDelete is called once NHibernate is finished preparing it's queue.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2