The following link helped me to understand the way how mono touch is interacting with the interface designer of xcode.
http://lsd.luminis.nl/building-ipad-applications-using-monotouch-the-uisplitview/
I want to do add some minor information:
- The namespace of the wrapped UIKit clases is Monotouch.UIKit
- The namespace of the attributes to register the classes in the interface builder is Monotouch.Foundation