Kbase 16305: Writing a trigger to fire on all ALT-key combinations
| Autor |
Progress Software Corporation - Progress |
| Acesso |
Público |
| Publicação |
5/10/1998 |
|
Writing a trigger to fire on all ALT-key combinations
If you want to capture all ALT-key sequences, you can
use the following code. Note that this trigger is
firing on every key stroke and could possibly slow
the application down.
ON ANY-KEY OF FILL-IN-1 IN FRAME F-Main
DO:
IF LASTKEY > 1024 AND LASTKEY < 2047 THEN
DO:
MESSAGE "ALT-KEY used".
APPLY my-event TO FILL-IN-1.
END.
END
ON my-event ANYWHERE DO:
CASE statement to cover ALT-KEYS.
END.
Further references:
Programming Handbook, Chapter 5, Handling User Input
Progress Software Technical Support Note # 16305