If you have not heard the announcement elsewhere, Enterprise Library 4.0 from patterns & practices is now available.  Martin Bennedik just updated his WPF integration for the Validation Application Block (VAB) to work with Enterprise Library 4.0.  He has also added some very convenient features.  This is a MUST HAVE if you are ...

As I mentioned here, I have been digging into what's out there for WPF LOB applications.  It's been a long time since I've kept up with the work the patterns & practices group has produced.  One of the things I've seen a webcast/blog post or two about is the Validation Application Block.  They have put together a nice approach ...