https://www.dotnetzone.gr:443/cs/blogs/softwarebytes/archive/2010/12/22/wpf-metro-window.aspx"Metro is an internal code name for a typography -based design language created by Microsoft . It was created as a product of Microsoft's user interface design work on some of their media products like Zune and Windows Media Center , for major utilizationelCommunityServer 2.1 SP3 (Build: 20423.1)