Change default app.config at runtime

Question

I have the following problem:
We have an application that loads modules (add ons). These modules might need entries in the app.config (e.g. WCF configuration). Because t

Answer 1

If your config file is just written with key/values in "appSettings", then you can read another file with such code :

System.Configuration.ExeConfigurationFileMap configFileMap = new ExeConfigurationFileMap();
configFileMap.ExeConfigFilename = configFilePath;

System.Configuration.Configuration configuration = ConfigurationManager.OpenMappedExeConfiguration(configFileMap, ConfigurationUserLevel.None);
AppSettingsSection section = (AppSettingsSection)configuration.GetSection("appSettings");

Then you can read section.Settings as collection of KeyValueConfigurationElement.