The index command controls a VCR’s on-screen display. VCR devices recognize this command.
index device index flags
device
Identifier of an MCI device. This identifier or alias is assigned when the device is opened.
index
One of the following flags:
off |
Turns off the on-screen display. |
on |
Turns on the on-screen display. The item to be displayed is specified by the “index” flag of the set command. |
flags
Can be “wait”, “notify”, or “test”. For more information about these flags, see The Wait, Notify, and Test Flags.
Returns zero if successful or an error otherwise.