.Net app.config in library project

By default, there is only 1 “.config” file for a running application. It is the “.config” file associated with the EXE that started the program. You should probably copy the config values from the DLL’s config file into the console app’s config file. If you really want to keep them separate then you can’t use the default ConfigurationSettings.AppSettings dictionary. See this question for more info.

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