Multiple choice technology programming languages WinFx is/was the code name for which version of .Net Framework? 2 3 3.5 4 Reveal answer Fill a bubble to check yourself B Correct answer Explanation WinFx was the code name for .NET Framework 3.0, which introduced WPF (Windows Presentation Foundation), WCF (Windows Communication Foundation), and Workflow Foundation. It was not associated with version 2.0, 3.5, or 4.0.