Windows Presentation Foundation

• A Guided Tour of WPF - A simple introduction to WPF
• WPF Tutorial - Using WPF In WinForms
• WPF: Validation made easy with IDataErrorInfo
• Customize Data Display with Data Binding and WPF (How to display errors, handle IDataErrorInfo)
• Silverlight and XAML Namespace Declarations
• media:WpfCustomBindingClass.zip Example Custom WPF Binding Class VS2008 Project

• Value and business validation with Enterprise Library 4.1 and Entity Framework (and WPF)