The Managed Extensibility Framework (MEF) is a new feature of .NET 4 (and will work on 3.5 as well) that makes it significantly easier to extend applications and generally support application composition patterns. What does that really mean? Well, take 6 mins and 5 seconds to watch this excellent demo Scott Guthrie did at his PDC2008 keynote . Download video directly Other MEF resources: MEF Codeplex site (get the installer and all the source code) Simple MEF Example Introduction to MEF MEF talk at PDC 2008 Read More......(read more) ...
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