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Category: DESQview/TopView and Quarterdeck programs


	AH = 12h
	BH = 0Eh
	BL = object
	    00h handle is DWORD on top of stack
		window:	  clear from scroll origin to end of window
		keyboard: discard input
		timer:	  cancel current interval
		pointer:  discard all pending messages
		mailbox:  discard all pending messages
	    01h clear task's default window from scroll origin to end
	    02h discard all queued messages in mailbox (handle on top of stack)
	    03h discard all queued messages in current task's default mailbox
	    04h discard all input queued to KEYBOARD (handle on top of stack)
	    05h discard all input queued to task's default KEYBOARD
	    06h remove all objects from OBJECTQ (task's handle on top of stack)
	    07h remove all objects from current task's OBJECTQ
	    0Ch (DV 2.26+) clear window of task owning handle on top of stack
	    0Dh (DV 2.26+) clear default window of parent of current task
Return: STACK popped if handle passed on stack
Note:	when an OBJECTQ is erased, each object in the OBJECTQ is also erased
SeeAlso: AH=12h/BH=02h

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  Copyright 2000   by Ralf Brown     Updated Jul 2000