Yesterday, on a sunny sunday morning I was catching up on some blog reading. One post in particular caught my eye, namely A Whirlwind Tour Through The Managed Extensibility Framework by Bart De Smet.

The Managed Extensibility Framework, or MEF, is a new library that will eventually be part of the .NET 4.0 Framework. It enables you to easily create extensible applications that support a plugin model. A lot of modern, popular applications such as FireFox, Winamp, Visual Studio…etc. already provide a plugin / add-in model that allows you to add your own plugins if you want to extend the functionality of the application.

Making your application extensible in the past was certainly possible but you had to create the infrastructure from scratch. Well, no more! MEF allows you to expose certain parts of your application in which you can import built-in or external extensions.

Let’s discover the wonderful world of MEF by building a demo application…

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