What is WPF?

Windows Presentation Framework is the new presentation API in WinFX. WPF is a two and three dimensional graphics engine.
It has the following capabilities:- 
=> Has all equivalent common user controls like buttons, check boxes sliders etc.
=> Fixed and flow format documents
=> Has all of the capabilities of HTML and Flash
=> 2D and 3D vector graphics
=> Animation
=> Multimedia
=> Data binding

Read More => WCF Interview Questions