Video Tutorials of MEF and Siverlight 4

Video Tutorials of MEF and Siverlight 4

English | WMV3 1024×768 | MP3 48 Kbps | 798 MB
Genre: eLearning
Author: Mike Taulty

This is a series of videos looking at the new Managed Extensibility Framework (MEF) in the Silverlight 4.

MEF is a framework that simplifies the design of extensible applications and components. It can flexibly and dynamically discover a set of loosely coupled components and analyse their dependencies in order to compose them together at run time.

Tips for viewing:

* Each video in this series has a 3.5 minute standard introductory “header” on it so once you have seen that header you may like to skip it on subsequent videos
* For the time pressured – I find that I speak so slowly that you can speed me up to approximately 1.5-2.0 times normal speed and still listen comfortably.

I’m working to get together a Live Meeting in early 2010 with people from the MEF team in order that people can chat more about MEF in Silverlight. Stay tuned.

This series includes 5 parts:

Part 1 – Introdution
In this part, we talk briefly around the idea of components having imports and exports and then we drop into Visual Studio 2010 and do a quick, “magic” demo of how MEF can plug together a couple of components for us. In later videos, we’ll attempt to dig deeper into what MEF is doing and how we can take more control of it.

Part 2 – Imports & Exports
In this part, we take a deeper look around using the MEF attributed programming model. We look at what we can import & export, required and optional imports, cardinality, creation policies and also how we can add our own metadata for differentiation.

Part 3 – Catalogs
In this part, we start to take a look at catalogs which provide one way in which MEF discovers the components that it can compose. We take a look at the catalogs built into the framework and what they do for us and also how MEF uses them to populate a default CompositionContainer & how you can take control of that.

Part 4 – Recomposition
In this part, we look at how composition of component parts in MEF is not necessarily a static or “one-time” process and that as changes are made to MEF’s CompositionContainer it can re-compose components to take account of those changes.

Part 5 -The PackageCatalog
In this part, we look at an additional catalog in the Silverlight Toolkit Preview for Silverlight Beta 4, the PackageCatalog. This catalog adds the key ability of being able to download XAPs dynamically at runtime and ask MEF to discover and compose the types contained within those XAPs into a pluggable application.

Enjoy!


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