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AS/400 Programming
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Multiple subfiles
Question:
Hi,
I need to write an RPG program that will display and allow input for
more than one subfile at the same time. Has anyone done this? If so
would you please enlighten me on the technique?
Answer(s):
Did it some time ago.
Something like SEU split screen (F15). Two things to remembrer:
1. Have at least one EXFMT but use writes and reads in other situations,
especially,
2. Get the cursor location to determine which subfile the user is on.
3. You will have to use ASSUME to keep both on screen
I've done this also, with up to 4 subfile windows. Works slick except
for one thing. Transfering control from one subfile to the next isn't
as easy as positioning your cursor on the next subfile and pressing
enter. It seems the last control record written is the one that is
"active". I added a function key to change control through each of
the subfile windows.
Hi,
you can display more than one subfiles in two ways:
Either
-------------------------------------
+ +
+ subfile1 +
+ +
-------------------------------------
+ +
+ subfile2 +
+ +
------------------------------------
or
side by side (or anything else) with subfile-windows.
Note: When you read a record from one subfile (f.e. READC) and then you read
a record from the next subfile, the system "forgets" the rcdnbr of the first
read. If you need it for an update of the subfilke you must save the rcdnbr
and then read the record (with CHAIN) for the update again.
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