Alexander Schmidt Mathematical methods, programming

.NET API subset for Windows Store Apps is considerable smaller than the full .NET Framework 4.5. Particularly, Reflection.Emit is not available and most members in the System.Type class have been moved to the System.Reflection.TypeInfo class.

http://www.infoq.com/news/2012/08/reflection-windows-store-apps

Also, check out complete source code:

http://referencesource.microsoft.com/netframework.aspx