On Sun, 5 Jan 2014 22:01:40 -0800, Ed Jaffe <[email protected]> wrote:
>On 1/5/2014 6:39 PM, Paul Gilmartin wrote: >> *And* I believe SDSF stays in its split. *And* I believe it allows >> SWAP to another split. But that's not fair; SDSF is somehow >> ISPF-savvy, not just a plain ol' TSO fullscreen application. SDSF >> recognizes and satisfies a special requirement in order to do this. > >There is nothing special going on. Any program invoked as an ISPF >application can use standard ISPF DISPLAY services to "stay in its >split" and allow "SWAP to another split." Any program can check how it >was invoked and bifurcate its presentation logic paths as needed. > While that's true for unauthorized programs, SDSF needs to runs authorized, and there's actually a fair amount of "special" stuff going on under the covers. Your more typical authorized program cannot interact with the user via ISPF services as SDSF does. It takes a lot of work (design and programming) to allow that while maintaining system integrity. -- Walt ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
