INT 15 - TopView - SEND MESSAGE - "SUBFROM" - REMOVE OBJECT FROM OBJECTQ
AH = 12h
BH = 0Bh
BL = OBJECTQ from which to remove all copies of a particular object
06h OBJECTQ of task whose handle is on top of stack
07h task's default OBJECTQ
STACK:  DWORD   handle of object to remove
Note:   should be sent whenever an object is erased or closed


1512 - TopView - SEND MESSAGE - "SUBFROM" - REMOVE OBJECT FROM OBJECTQ