RE: when user presses ENTER key in Display screen How to detect it in an RPG program?

If you are using the CHECK(ER) keyword on your DDS will this distinguish
between that and if a user physically pressed the enter key?


Dave Parnin
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Topeka, IN  46571
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There is an Hexadecimal value associated with the enter key. The
hexadecimal value for the enter key is X'F1'. On your display file
information data structure (INFDS), POSITION 369 to 369, you need to define
an alpha field. That field will tell you which key has been pressed. You
need to define as a constant the name of the enter key that you are going
to use.

Example:

  * Display File
 FTEST01    CF   E             Workstn InfdS(DSPDS)

 D #ENTER           C              CONST(X'F1')

* Display information data Structure
 D DSPDS        SDS
 D  @FKEY                   369      369

   IN YOUR LOGIC, you will say;

           If @FKEY = #ENTER





-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of M.Effenberg@xxxxxxxxxxxx
Sent: Thursday, September 01, 2005 5:10 AM
To: RPG programming on the AS400 / iSeries
Subject: Re: when user presses ENTER key in Display screen How to detect it
in an RPG program?

> My problem is because of the lack any such indicator associated with the
ENTER
> Key .In the program I need to figure out using a single IF condition
whether user
> Has pressed the ENTER key.

Hi Shijith,
i'm not that pro then it comes to interactive programs, but in our
displayfiles we define a valid command key.

VLDCMDKEY(26 'return')
on filelevel.

I guess then you could do a
if *in26=*on

This should be true if the user just hits enter.
If the user presses F1 to leave the display *in26 shouldn't be *on.

greets,
 Martin


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