Re: Display file usage

["Simon Coulter" <shc@xxxxxxxxxxxxxxxxx>]


Hello Jevgeni,

Even though this question belongs on MIDRANGE-L, since I haven't seen an answer 
to this yet ...

You wrote:
>But there is a problem. When I output and error message this way, my 
>terminal locks keyboard (I use MochaSoft TN5250 for W95/98/NT).
>It is O'k, as other programs work the same way. The user presses 
><RESET> button and resets the keyboard lock.

>But I would like to gain a control over the lock from inside my 
>program! 

While I think ERRMSG and ERRMSGID are a horrible way of sending error 
messages you can stop the keyboard from locking by coding ERRSFL at 
the file level.  That will cause any active ERRMSG values to be 
listed in a message subfile.

>In other words I want that some of the error messages lock 
>the keyboard, and some do not. Is there a way to do that via some 
>smart DDS programming?

I don't think you can accomplish both requirements however you could 
experiment with the LOCK keyword which can be conditioned with option 
indicators.  Try specifying something like:

A       R RCDFMT
A  67                                   LOCK
A         DTAFLD   ......
A  68                                   ERRMSG('Bad data' 68)

Turn on 68 when the error occurs and turn on 67 when you want to lock 
the display.  I'm really not sure if this will work due to the way 
ERRMSG and ERRMSGID function.  They use PUTOVR, OVRATR, and OVRDTA 
under the covers which alters the way the display format is written 
to the screen.  Still you have nothing lose by trying.

>Any advice will be highly appreciated.....

Regards,
Simon Coulter.

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