The escape command sends device-specific information to a device. Videodisc devices recognize this command.
wsprintf(lpstrCommand, "escape %s %s %s", lpszDeviceID, lpszEscape, 
    lpszFlags); 
 Returns zero if successful or an error otherwise.
The following command sends the escape string "SA" to the videodisc device:
escape videodisc SA
 
  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in wingdi.h.
  Import Library: Use gdi32.lib.
MCI Overview, MCI Command Strings