Now Create Office like layout application give`s new looks to your wpf applications . Now you can Enjoy Microsoft office Ribbon is Command bar Which is collection of tabs and the Organizes a Program`s Features at top of a Window.
A new WPF Ribbon Control will be available for download shortly after the release of WPF 4. It features skins for Windows 7 and Office, as well as all the standard Ribbon features that end-users are familiar with, including tabs and groups, dynamic resizing, quick access toolbar, application menu, contextual tabs, key tips, and more.
The WPF Ribbon will be fully extensible to meet changing guidelines for future releases. A CTP with a limited feature set is available today here