Re: Window format clearing the remainder of the screen

Hello Simon,
The subject mentions Window.
I am using Windows to overlay subfiles on subfiles.
Extract of the code is as follows.
Works OK
I dont use CLRL. HTH

Frank Kolmann

A          R R18
A*%%TS  SD  20020313  132502 REL-V4R4M0  5769-PW1
A                                      WINDOW(2 25 21 51)
A                                      WDWBORDER((*COLOR BLU) (*DSPATR HI)-
A                                       (*CHAR '+-+||+-+'))
A                                      OVERLAY
A                                 20  2'F5=Reset  F12=Cancel'
A          R S18                       SFL
A*%%TS  SD  20020313  141034   REL-V4R4M0  5769-PW1
A            S18OPT         2A  B  7  2
A  57                                  DSPATR(PC)
A            S18CST    R        O  7  6REFFLD(CUST)
A            S18DSC    R     A  O  7 15REFFLD(DESC)
A*
A          R C18                       SFLCTL(S18)
A*%%TS  SD  20020313  141034    REL-V4R4M0  5769-PW1
A                                      SFLSIZ(0019)
A                                      SFLPAG(0011)
A                                      WINDOW(R18)
A                                      OVERLAY
A                                      CF05(05)
A  50                                  SFLDSP
A  51                                  SFLDSPCTL
A  52                                  SFLCLR
A  53                                  SFLEND(*MORE)
A  89                                  SFLMSGID(RV00143 *LIBL/SSAZ01 &MSGT-
A                                      XT)
A            SRS18          4S 0H      SFLRCDNBR(CURSOR)
A            MSGTXT        78A  P
A                                  1  2'RPR0500F-18'
A                                      COLOR(BLU)
A                                  1 18'List of Corporations'
A                                      DSPATR(HI)


>From: "Simon Coulter" <shc@flybynight.com.au>
>Hello Don,
>
>You wrote:
>>Not a problem as the second format begins on line 11 and the first format
>>occupies all lines.  Would it be a problem if the attribute byte on any
>>field in the first panel overlaid the first position of the next panel?
>
>And there's the problem!  You said "the first format occupies all lines".
>OVERLAY cannot be used on its own to put one record format over another if
>they share lines on the display.  You must either use CLRL or separate the
>formats.
>
>OVERLAY allows non-OVERLAPPING formats to share the screen.  If the
formats
>occupy the same lines (including a single attribute byte) then the
>underlying format will be erased.