INT 15 - TopView - SEND MESSAGE - "SIZEOF" - GET OBJECT SIZE
AH = 12h
BH = 08h
BL = object
00h handle in DWORD on top of stack
window: total character positions in window
timer: elapsed time since timer started
pointer: number of messages queued to pointer object
panel: number of panels in panel file
keyboard: number of input buffers queued
01h total chars in current task's default window
02h number of messages in task's mailbox (task's handle on stack)
03h number of messages in current task's mailbox
04h number of input buffers queued in task's kbd (handle on stack)
05h number of input buffers queued for current task's default kbd
06h number of objects queued in OBJECTQ (task's handle on stack)
07h number of objects queued in current task's OBJECTQ
0Ch (DV 2.26+) total chars in window owning handle on top of stack
0Dh (DV 2.26+) total chars in parent task's window
Return: DWORD on top of stack is result
Note:   for panel objects, a count of zero is returned if no panel file is open
for the object
SeeAlso: AH=12h/BH=09h

See also: 1512

1512 - TopView - SEND MESSAGE - "SIZEOF" - GET OBJECT SIZE