Your Application in Pieces – MEF and MAF

Scottish Developers
Tue, 23 Jun 2009, 18:30 - 20:30 (Add to calendar) GMT
Glasgow Caledonian University , Glasgow, GB

Kathleen Dollard will be talking about the Managed Extensibility Framework (MEF) and the Managed Add-in Frameworkd (MAF)

Talk Description

Decoupling portions of your application has tremendous payback during both development and maintenance. Your application becomes more testable and flexible and can more easily evolve to meet changing demands. Decoupling your application also allows a new level of partnership with external groups because you can safely incorporate their code in your application without recompiling or releasing source code. Microsoft has exposed different provider models in many areas of the framework and libraries, and this year has moved toward consolidating its efforts at decoupling with the Managed Extensibility Framework, or MEF. This tool differs from an IoC container because its focused directly at simplifying the extension of applications and focuses at extensibility, discover, and composition. The underlying engine can support Microsoft efforts like Visual Studio and your own applications. MEF comes up short when you encounter isolation and versioning issues, such as wanting that external code to run in its own AppDomain. The Managed Add-In Framework, or MAF, focuses on these problems and the significant complexity they bring with System.AddIn namespace of .NET 3.5. You’ll learn more about architecting applications in pieces and the sweet spot of using MEF and MEF together. You’ll leave ready to evaluate the role of MEF and MAF in your applications.

Speaker Biography

Kathleen Dollard is the Chief Technologist for AppVenture ( where she leads the application generation efforts. She has been a Microsoft MVP for 11 years and is a member of the INETA Speaker’s Bureau. Kathleen has worked extensively with application code generation and is the author of Code Generation in Microsoft .NET (from Apress). She has published numerous articles on a range of .NET technologies and writes the monthly column “Ask Kathleen” in Visual Studio Magazine ( Kathleen is also active in the Northern Colorado .NET SIG, Denver Visual Studio User Group, Northern Colorado Architect’s Group, and IASA Denver.


  • 18:00 Doors Open
  • 18:30 Welcome
  • 18:40 Your Application in Pieces – MEF and MAF (part 1)
  • 19:30 Break
  • 19:40 Your Application in Pieces – MEF and MAF (part 2)
  • 20:20 Feedback and Prizes
  • 20:30 Pub (back bar at Waxy O'Connor's on West George Street)


Room M126 of the George Moore Building at Glasgow Caledonian University, Cowcaddens Road, Glasgow G4 0BA

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