[Overview][Constants][Types][Procedures and functions][Variables][Index] | Reference for unit 'Crt' (#rtl)

# Reference for unit 'Crt': Variables

`CheckBreak` |  | Check for CTRL-Break keystroke. Not used.
`CheckEOF` |  | Check for EOF on standard input. Not used.
`CheckSnow` |  | Check snow on CGA screens. Not used.
`DirectVideo` |  | Use direct video access. DOS only
`LastMode` |  | Last screen mode.
`TextAttr` |  | Mask to filter text attribute
`WindMax` |  | Lower right corner of currently defined window
`WindMaxX` |  | X coordinate of lower right corner of the defined window
`WindMaxY` |  | Y coordinate of lower right corner of the defined window
`WindMin` |  | Upper left corner of currently defined window
`WindMinX` |  | X coordinate of upper left corner of the defined window
`WindMinY` |  | Y coordinate of upper left corner of the defined window