>Hi!
>
>Here is my situation. Let's say someone ask me to develope an app just like
>a commercial app that is currently in the market. I decide to write my
>own code and all, but i might 'borrow' the structure and design of the
>database, some interfaces and the basic idea about how this sytem works.
>should i be worry about that? In case I should, will you explain me why?
>
>
>Another issue is about frameworks, what is the procedure i should take
>in order to develope an app with a free framework or with a commercial
>one?
>Another doubt is about using classs o programs that i've downloaded
>from different websites, how can i use this classes with no probability
>of problems? what if the classes have no referenceS about its creator?
>
>TIA

Roman,

Notice that there is a spanish VFP forum here in the UT. I don't know if anyone there can help you with this but it may be more likely that someone else in your country can respond to the message.