mark
The mark
command controls recording and erasing of marks on the videotape. VCR devices
recognize this command.
wsprintf(lpstrCommand, "mark %s %s %s",
lpszDeviceID, lpszMark,
lpszFlags);
Parameters
lpszDeviceID
Identifier of
an MCI device. This identifier or alias is assigned when the device is opened.
lpszMark
One of the
following flags:
|
erase |
Erases a
mark at the current position, if one exists. To erase a mark, first seek to
the mark and then issue the mark erase command. |
|
write |
Writes a
mark at the current position. The VCR might need to be in play or record mode
for this command to succeed. |
lpszFlags
Can be
wait , notify , or test . For more information about these flags, see The
Wait, Notify, and Test Flags.
Return Values
Returns zero
if successful or an error otherwise.
Remarks
Marks are
special signals written to the content that can be detected by the VCR during
high-speed searches. Marks are VCR specific.