Styles not loading on Windows Server

Question

I have a WPF application here with a lots of custom styles.

With Windows 7 or 8(.1) the applications looks very good. But if the application is started on Windows Serve

Answer 1

the reason why the style wasn't applied for windows server 2003/2008 or XP because Aero theme is not available on those operation systems. To enable Aero theme on windows server 2008 you can follow this guide