RE: displaying a blank subfile

On Thursday, September 03, 1998 10:38 AM, David Prowak 
[SMTP:prowakd@emi.com] wrote:
> Hi,
> In a subfile I have, I allow the entry of a "Position to ......
> __________' field,
> similar to how SEU works.  When an entry is made that
> positions the subfile beyond any recs in the file, such as a cust # of
> all
> 9's,
> I want to display a blank subfile.  So far I:
>       1: turn *ON SFLCLR
>       2: WRITE CTLREC
>       3: turn *OFF SFLCLR
>       4: since 0 recs were written to the subfile, SFLDSP is *OFF
>       5: SFLDSPCTL is always *ON
>       6: EXFMT SUBFILE
> This just displays the same subfile that was displayed before the
> "Position to" entry was processed.  I understand that SFLCLR doesn't
> actually clear the subfile, rather it just makes all the recs inactive.
> How do I get the subfile to appear blank?

One way: in your SFLCTL DDS, condition ERASE(SFL) opposite the SFLDSP 
indicator, then when SFLDSP is off the system will erase the subfule 
format from the display buffer.

Buck Calabro
Commsoft, Albany, NY
mailto:mcalabro@commsoft.net

+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to MIDRANGE-L@midrange.com.
| To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com.
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---