Re: Config file to turn on/off features ?
From: dw (dw_at_discussions.microsoft.com)
Date: 11/19/04
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Date: Fri, 19 Nov 2004 13:05:02 -0800
Thanks for the advice.
This is a PocketPC based app and there will be a database (SQL CE)....so
storing there might prove the best solution.
- dw
"mdb" wrote:
> "=?Utf-8?B?ZHc=?=" <dw@discussions.microsoft.com> wrote in
> news:B5F6E2D6-BBA1-4B33-8FCA-EB0388F8EBD1@microsoft.com:
>
> > I am working on a project where I need to be able to turn on/off some
> > features based on whether the user has purchased a particular feature.
> > And, the current UI has a tab control which I need to hide (or
> > remove) tabs based on this as well. My original plan was to use an
> > XML config file and use that to determine whether a user gets to see a
> > feature (or a tab page) and then remove or hide as necessary.
>
> I've used that technique several times in the past... works fine. Other
> places you could store configuration are in the registry or a database.
> The determination of which one to use should be made by your particular
> requirements... XML files for configuration are easy for users to edit,
> and don't make unnecessary alterations to the system, but may also allow
> the user to corrupt the config file. Registry is a bit harder for users to
> get into (they need to know about "the registry" to start with, and they
> need to know where you are storing your data) but "require" special
> routines to remove the values when the program is removed. Database can
> make it very difficult for users to change values outside your program but
> require either additional programs to run (MSDE or mySQL for example) or
> require some kind of network connection.
>
> Bottom line: XML for config files works great and is easy to use and clean
> up, but can cause problems if you have curious (and careless) users.
>
> -mdb
>
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