Video-Overlay Command Set

Video-overlay devices support the following set of commands.

String form	Message form
break	MCI_BREAK
capability	MCI_GETDEVCAPS
close	MCI_CLOSE
freeze	MCI_FREEZE
info	MCI_INFO
load	MCI_LOAD
open	MCI_OPEN
put	MCI_PUT
save	MCI_SAVE
set	MCI_SET
status	MCI_STATUS
sysinfo	MCI_SYSINFO
unfreeze	MCI_UNFREEZE
where	MCI_WHERE
window	MCI_WINDOW