Creating extendable applications using MEF

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Presentation on Creating extendable applications using MEF I gave at NxtGenUG Cambridge on Tuesday 19th May 2009

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Creating extendable applications using MEF

  1. 1. Creating extensible application using MEF @Ben_Hall Ben@BenHall.me.uk Blog.BenHall.me.uk
  2. 2. Agenda • MEF ABCs • Extensibility in .Net 2.0 • Extensibility with MEF • MEF Internally
  3. 3. Managed Extensibility Framework
  4. 4. http://www.flickr.com/photos/leon_homan/2856628778/
  5. 5. http://www.flickr.com/photos/zen/2273186263/
  6. 6. External and Internal
  7. 7. http://www.flickr.com/photos/mag3737/1914076277/
  8. 8. MS-PL http://www.flickr.com/photos/25501212@N05/2934269081/
  9. 9. http://www.flickr.com/photos/dunechaser/2918021174/
  10. 10. [Export] I have something to offer
  11. 11. [Import] I need something
  12. 12. Catalog I know about some exports
  13. 13. Container I know about everything
  14. 14. DEMO HELLO WORLD
  15. 15. DEMO MEFUNIT
  16. 16. DEMO FROM 2.0 TO MEF
  17. 17. DEMO BEYOND 3RD PARTY ADDINS
  18. 18. DEMO BEING SELECTIVE
  19. 19. DEMO ASP.NET MVC AND MEF
  20. 20. In summary... http://www.flickr.com/photos/m0php/530526644/
  21. 21. Summary • Extensibility • Allows 3rd parties to hook-in • Allows internals to be decoupled • Override your built in defaults • Part of .Net 4.0 • Available today from Codeplex
  22. 22. Thank you! Twitter - @Ben_Hall Blog.BenHall.me.uk Ben@BenHall.me.uk
  23. 23. Resources • http://blog.BenHall.me.uk • http://www.codeplex.com/mef • http://blogs.msdn.com/gblock

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