Is the settings functionality available only to Windows Forms applications?
The settings API itself has no restrictions at all – you can use it in any kind of application – client, web, VSTO, console, WPF etc. The default settings provider, LocalFileSettingsProvider, uses configuration to store settings, so it has certain limitations. For example, ASP.NET applications do not have user.config files, so you cannot write user scoped settings in web applications using this provider. Ofcourse, you can use the Profiles feature in ASP.NET 2.0 to very conveniently store user scoped settings. User.config files are also not supported for VSTO apps (in general, where the host application is native, like Outlook, Word or even IE). In these cases, you will need to write your own settings provider (which is quite easy to do, by the way, and there are good samples and docs in MSDN that describe how to do this) to be able to read/write user scoped settings. For the basic kinds of managed client applications like console, Windows Forms and WPF however, the LocalFileSettingsPro
