Docking control is a WPF control library that provides a Tabbed Document Interface for your application very similar to Visual studio. -You can create a complex layout, hide, collaps, drag-drop and float parts of the interface. -The library follows the WPF design guidelines which results in a highly customisable component through Templates and Styles.-It works out of the box in xbap applications using standard partial trust security permissions.-You can store and retrieve multiple layouts to/from a stream, allows dynamic switching between layouts.-It implements custom UI Automation providers, enabling support for automated user interface tests.