... Calendar, Contacts, and Tasks or create a new e-mail. With Microsoft Word, you can open the recent documents. C# 4, ASP.NET 4, & WPF with Visual Studio 2010 Jump Start Christian Nagel ... Web_ADONETDS in either Visual Basic or C#. Note, you need to use the .NET Framework 3.5 SP1 along with Visual Studio 2008 SP1 or the .NET Framework 4 with Visual Studio 2010 for this example ... possible with generics. With C# 4, the language is extended to support covariance and contra-variance with generic inter-faces and generic delegates. Let’s start by defi ning a Shape base class and...