As quoted on the page :
This release is provided to help Visual Basic developers use the Composite Application Library. The release includes QuickStarts, the Composite Application Library (only provided in C#), and documentation. The documentation includes:
- Visual Basic Content for Composite Application Guidance for WPF and Silverlight - February 2009.chm: The QuickStarts, Hands-On Labs, and How-to Topics in Visual Basic.
- Composite Application Guidance for WPF and Silverlight - February 2009.chm: Complete documentation in C#.
- Composite Application Library Reference February 2009.chm: Library reference API.
The Composite Application Guidance for WPF and Silverlight is designed to help you more easily build enterprise-level Windows Presentation Foundation (WPF) and Silverlight client applications. It will help you design and build enterprise-level composite WPF client applications—composite applications use loosely coupled, independently evolvable pieces that work together in the overall application