This Wrox Blox is a value-packed resource to help experienced .NET developers learn the new .NET release. It is excerpted from the Wrox books: Professional C# 4 and .NET 4, Professional ASP.NET 4, and WPF Programmer s Reference by Christian Nagel, Bill Evjen, Scott Hanselman, and Rod Stephens, and includes more than 100 print book pages drawn from these three key titles. It is an excellent resource to help .NET developers get up to speed fast on .NET 4, C# 4.0, ASP.NET 4, and WPF, providing all the information needed to program with the important new features, including: C# Dynamic Types and Parallel Tasks; ASP.NET Ajax, Chart Controls, MVC, and Object Caching; and key WPF principles as developers move from WinForms to WPF. In addition, it provides examples built with the native Visual Studio 2010 tools that developers are comfortable with. Table of Contents Part I: Professional C# 4 and .NET 4 Covariance and Contra-variance Tuples The Dynamic Type Code Contracts Tasks Parallel Class Cancellation Framework Taskbar and Jump List Part II: Professional ASP.NET 4 in C# and VB Chart Server Control ASP.NET AJAX Control Toolkit Extending .NET 4 s New Object Caching Option Historical Debugging with IntelliTrace Debugging Multiple Threads ASP.NET MVC Using WCF Data Services Creating Your First Service Building an ASP.NET Web Package Part III: WPF Programmer s Reference Code-behind Files Example Code Event Name Attribute Resource Styles and Property Trigger Event Triggers and Animation Templates Skins Printing Visual Objects Printing Code-Generated Output Data Binding Transformations Effects Documents Three-Dimensional Drawing