Dave,

Program 2 is RPGLE - actually all 3 programs are RPGLE. There are no
display files in program 2 - unused or otherwise. I suppose it is possible
that program 2 calls other programs that might have a "hidden" display file,
before program 3 is called. I'll put it in debug again to check that out.
The only display files that are open during each step are associated with
programs 1 and 3, but I didn't not check for each called program from
program 2. More debugging ahead.

Thanks.
Mark Plank

On Mon, Jun 6, 2011 at 4:25 PM, <daparnin@xxxxxxxxxxxxxx> wrote:

Mark,

I've been following your thread but haven't had anything worthwhile
contribute that others don't jump on a lot faster. What kind of program
is #2 (CL, RPG, etc.)? Does it do any overrides? Does it open any
display files even though it may not ever output anything to the screen?
It still sounds like a *RSTDSP problem. If program #2 opened a display
file then it might be blanking out the screen when control returns to
program #1. Just a thought.


Dave Parnin
--
Nishikawa Cooper, LLC
(formerly Nishikawa Standard Company)
324 Morrow Street
Topeka, IN 46571
daparnin@xxxxxxxxxxxxxx





From: J M Plank <plank.computer@xxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Date: 06/06/2011 04:12 PM
Subject: Re: Display window causing a blank screen
Sent by: midrange-l-bounces@xxxxxxxxxxxx



Thanks for all the replies, on- and off-list.

I did more digging and found a new wrinkle. What I missed in my earlier
post, is that when this program is called, there is an intermediate
program
being called first - does that change things?

Program 1 (with display file) is called from a menu. The user goes
through
several screens, then if a certain function key is pressed, it calls
program
2 (no display file). Program 2 calls the new display window. This causes
the blank screen in the background.

If the new display window is called from the command line, or directly
from
program 1, the window and background display as expected.

Thanks.
Mark Plank

On Sat, Jun 4, 2011 at 11:18 PM, Sam_L <lennon_s_j@xxxxxxxxxxx> wrote:

Here's where it was:

http://archive.midrange.com/rpg400-l/201010/msg00073.html

I've forgotten the original question, I don't know if this is relevant
or not, and it's late...

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