INT 15 - DESQview v2.26+ - "CONNECT" - CONNECT TWO WINDOWS

	AH = 12h
	BH = 03h
	BL = window to be connected
	    00h handle of window to be attached in DWORD on top of stack
	    01h attach current task's main window
	STACK: DWORD handle of window to attach to or 00000000h to detach
Return: STACK popped
Notes:	when two windows are connected, both will move if the user moves either
	multiple windows may be attached to a single window, but each window
	  may only be attached to one window at a time
SeeAlso: AH=12h/BH=83h