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Odds are that software will walk same road in years to come. System and standard software will continue to be programmed conventionally by professional software developers. Application software, however, will more and more be "plugged together" by users (or their applier organizations) themselves.
Building software in an Application Framework like DLG (also called: 'component based software development') as a 3-step job:
1.Build a framework by combining DLG elements supporting features you designed for target application.
2.Make full use of DLG's flexibility to override DLG defaults. You can do it by coding options in form of keyword parameters..
3.Only application-specific operations are left to be programmed in conventional way. Additionally, there might be details you want to be handled in a more sophisticated way than by DLG options. If so, you will need to program a number of callback procedures. Visit http://www.1st-components.com: There you can download many free sample programs (+ their source code) to see that this can be done in a few code lines only, even for rather complex UIF-elements.
Gunter Gerdenitsch, owner of '1st Components Design' (1CD), Universal Software Components for Computer Applications without Programming ( http://www.1st-components.com, mailto:firstname.lastname@example.org'). 1st Components Design' is the first company specialized in universal software components that can simply be "plugged together".