I need to be able to automatically detect the screen size (*DS3/*DS4) from within an RPG400 pgm in order that I can select the appropriate screen file for a pop-up warning in a window. The pop-up pgm is a general purpose security checker that is called by all user pgms.
I could add an input parameter but this would mean modifying hundreds of calling pgms. I really do need to be able to detect the screen size being used by the calling pgm so that the pop-up pgm will be the only one to require a change.
Okay, I admit this one was driving me crazy. I tried out the API in a small pgm by calling it inside SEU. When I switch between 24x80 and 27x132, the value returned by the API changes as well, so it is
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