The SPFILENOTIFY_ENDSUBQUEUE notification is sent to the callback function when the queue completes all the operations in the delete, rename, or copy subqueue.
SPFILENOTIFY_ENDSUBQUEUE
    Param1 = (UINT) SubQueue;
    Param2 = (UINT) 0;
 The return value is ignored.
  Windows NT:  Use version 4.0 and later.
  Windows:  Use Windows 95 and later.
  Windows CE:  Unsupported.
  Header: Declared in setupapi.h.
Overview, Notifications, SetupCommitFileQueue, SetupDefaultQueueCallback