Folder Description The "Controllers" project folder is intended for storing Controller classes that can change the default XAF application flow and add new features. Relevant Documentation Extend Functionality http://help.devexpress.com/#Xaf/CustomDocument2623 Controller Class http://help.devexpress.com/#Xaf/clsDevExpressExpressAppControllertopic ViewController Class http://help.devexpress.com/#Xaf/clsDevExpressExpressAppViewControllertopic WindowController Class http://help.devexpress.com/#Xaf/clsDevExpressExpressAppWindowControllertopic