SPF/SE 7.0 uses the "C" language for Edit Macros and Dialog Procs.
We do not support REX in any product.
To see how SPF/SE handles this functionality, download the free demo from our web site.
Then invoke HELP, item CONTENTS, review chapters:
Dialog Manager
Dialog Definition Language
C Interpreter
C Library Functions
SPFservice Function
Review sample macros:
For Standard Edition:
c:\Program Files\Spfse\V70\Standard\Macros
For Graphic Edition:
c:\Program Files\Spfse\V70\Graphic\Macros
Review dialogs:
For Standard Edition:
c:\Program Files\Spfse\V70\Standard\Dialogs
For Graphic Edition:
c:\Program Files\Spfse\V70\Graphic\Dialogs
Review 3270 menus (Standard Edition only):
c:\Program Files\Spfse\V70\Standard\Menus