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The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
ON Keyword
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Performs different actions as part of several statements:
■ Enables error trapping when used with the ON ERROR statement.
■ Enables event trapping when used with the event ON statements
(COM ON, KEY ON, PEN ON, PLAY ON, STRIG ON, and TIMER ON).
■ Specifies an event to trap when used with the ON event statements
(ON COM, ON KEY, ON PEN, ON PLAY, ON STRING, and ON TIMER).
■ Specifies an expression to evaluate when used with the ON...GOSUB
and ON...GOTO statements.
See Also ◄COM, ON COM► ◄KEY, ON KEY► ◄ON ERROR►
◄ON...GOSUB, ON...GOTO► ◄PEN, ON PEN►
◄PLAY, ON PLAY► ◄STRIG, ON STRIG► ◄TIMER, ON TIMER►