Definition

“The Windows Presentation Foundation is Microsofts next generation UI framework to create applications with a rich user interface.”

History

Before the release of WPF, UI developers used to concentrate on various services or API to develop desktop applications to produce simple application to high end graphic application. So it was highly necessary for any developer to concentrate on one or more services or API for building high end graphics.

Developers used to concentrate on many API’s to achieve desired functionality and make UI more attracitve

Forms Dialog boxes ,controls — VB6 MFC

2D Graphics System.Drawing.dll

3D Graphics DirectX

Streaming Video Windows Media Player API

FLow/Mixes Documents PDFs API

In WPF all these is achieved with only Windows Presentation Foundation Framework