Mitchell Shiller writes:



>I suspect that there are others like myself who do not have the in depth 
>background /experience or education in the theory of MVC, UI Models, etc to go 
>there entirely on my own. But 4D is critical to my business, so I always look 
>at ways of improving my coding skills and use of 4D.



Consider me in that group, Mitch.



>Could any of you give me an  '"elevator pitch" of why someone ( well  in this 
>case, me) would want to go through the effort of making the substantive 
>changes necessary to implement this model?

>What advantages are there over "standard" 4D?



I found this thread fascinating, but I didn't see anything in it that would 
lead me to ever consider implementing such a system. At least not until I read 
the part about how it could support automated testing. Testing is the biggest 
expense in developing our enterprise app, and that is mainly because it is 
almost all done manually via the UI.  Step by Step 'button pushing' testing! If 
even 25% of that work could be automated it would save a lot of money, plus the 
app would be more stable (and require fewer hot fixes).



>What disadvantages are there compared to "Standard" 4D?



The effort is likely too great to refactor an existing app. It is probably 
limited to new apps.



Thanks to all who have contributed to the discussion. I will continue to follow 
it.



Tom Benedict

Optum

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