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Dieter:
Not only possible with RPG and 5250- it's been possible since IBM enabled
display files to post status changes to data queues. FWIW, I believe that
feature was introduced on the System 38 from the research I did supporting
an such an application 12 years ago. Said app was at least 10 years old at
that time.
Was an undocumented maintenance nightmare until I used object auditing to
trace through the event chains, but I came to appreciate it as one of the
most elegant designs I've seen implemented on the platform.
... for this kind of application, you would need 2 parts:something comparable as Javascript based for a browser interface)
- a runtime supporting registration of listeners (windows, xwindows or
- a programming language supporting Multithreading (remark: rpg with 5250is not possible)
most of this is done with Java, C# and C++--
D*B
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