Int 2F/AX=168Bh

AX = 168Bh
BX = virtual machine ID (see AX=1683h), 0000h for current DOS box

Return:
AL = 00h if focus set to specified VM

Notes: Documented on the Microsoft Developer's Network CD-ROM. If the VM is a windowed DOS box, it will be set to full screen

See Also: AX=1683h

Category: Windows - Int 2Fh - M