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The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
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KEY Statement QuickSCREEN
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KEY - a device I/O statement that assigns soft-key string values to
function keys and then can be used to display the soft-key values
in various ways
Syntax Use
KEY LIST Displays soft-key string values
KEY {ON|OFF} Turns on and off the soft-key display line at the
bottom of the screen
KEY n,stringexpression Assigns soft-key string values
■ n is the number of a specific key, chosen from the values below:
1-10 Function keys F1-F10 │ 14 DOWN
11 UP │ 15-25 User-defined keys
12 LEFT │ 30-31 Function keys F11-F12
13 RIGHT │ on 101-key keyboards
■ stringexpression, for all values of n except 15 through 25, is the
is the string that is input by the program when the key is pressed.
For n = 15 through 25, stringexpression has the syntax
CHR$(keyboardflag) + CHR$(scancode)
See Also ◄ON KEY(n)► ◄Keyboard Scan Code Table►
Other Uses of the KEY Keyword
◄KEY(n)► - to trap a full range of keypress events