Re: 5250 programming: F3, F12 and CALLed programs

[Patrik Schindler <poc@xxxxxxxxxx>]

Hello Daniel,

Am 10.08.2025 um 23:50 schrieb Daniel Gross <daniel@xxxxxxxx>:

> we use a char(2) parm that is passed to every interactive program, and it returns there a "return code".
>
> Like "OK" for "I have done what you wanted" or "KC" for "user pressed F3". 
>
> In the case of "KC" the caller also ends with "KC" - and the caller of that caller also ends with "KC" ... and that goes on until the "root program" is reached, and that also ends with "KC" - but as it ends in a menu, there is nobody who cares about that. 
>
> That works through complete call stacks of procedures and programs - and is easy to understand and program.

Very lean and interesting approach! Thanks!

I still fail to grok that that — due to them by default being a pointer —, passed parameters are inherently bidirectional.

:wq! PoC