You want to use a custom configuration setting to organize related custom settings.
Register your custom setting with the System.Configuration.NameValueSectionHandler class. You can then use the shared ConfigurationSettings.GetConfig method to retrieve a collection of settings from the section.
.NET uses an extensible system of configuration file settings. You have multiple options for reading custom settings from a configuration file:
Place your custom settings in the <appSettings> group, and access them through the ConfigurationSettings.AppSettings collection. This approach was used in recipe Read Application Configuration Settings.
Create your own custom section handler by implementing ...