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Building Hello MEF – Part II – Metadata and why being Lazy is a good thing.

In Part I of the series we built the basics of our dashboard end ended with our app displaying a single widget. In this post we’ll show two widgets, sensing a pattern here? :-) We will show two, but we’ll put them in different places on our dashboard.

MEF and Prism, to be or not to be.

One thing I like about being on the MEF team, our product causes no shortage of controversy. :-) Now to the question, what is the story on Prism and MEF? I am getting asked this now several times a day, more so than the IoC question. I am happy to say
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MEF Refresh of Preview 8 for Silverlight

Note: This only applies to using MEF Preview 8 on Silverlight, it does not apply to MEF in Silverlight 4 Yes I know we never did a Preview 8 post but…… We found a bug in PartInitializer (thanks to Kathleen Dollard for finding it!)  in Preview 8 which
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Building the Hello MEF dashboard in Silverlight 4 - Part I

In my last post I illustrated some of the basics of MEF through a Hello MEF dashboard app that I used in my PDC talk. In this series of posts, we’ll build that application from scratch and then go even further than we did in that talk. This might take

MEF has landed in Silverlight 4. We come in the name of extensibility.

http://www.flickr.com/photos/markusram/3641457838/ At PDC we announced that MEF has is now part of Silverlight 4. This may sound like alien speak :-), so I’ll break it down for you. It means building maintainable/pluggable RIA apps just got a whole lot

Building extensible RIAs at PDC

          This week I’ll be attending PDC in Los Angeles speaking about using MEF in Silverlight. Building Extensible Rich Internet Applications with the Managed Extensibility Framework   In Hall F on Thursday at 11:30 AM
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Should I use MEF with an IoC container? - Part 1

In my post "Should I use MEF for my IoC needs" we took a look at the question of whether or not it is appropriate to use MEF instead of a traditional IoC container. In this post we'll discuss the question of whether or not you should use both an IoC container
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Open-generic support in MEF Contrib

A while ago I said it couldn’t be done, at least without hacky string parsing. Folks weren’t happy and they let us know it including Oren . Our team know the power that open-generic support brings to systems, but at the time there was no clean way to
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Should I use MEF for my general IoC needs?

Disclaimer: This is not an encouragement to use MEF to replace your IoC container, these are guidelines to help those who are considering it's use. This has been a question we hear again and again both internally and externally. MEF in V1 is targetting
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Stable Composition in MEF Preview 6

Nick just posted on a new and very important feature we added in Preview 6 which we call Stable Composition. To give you an idea of why we added this, in the past if you had a part, say OrderProcessor, that had a required import of ILogger, and no logger
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MEF and XAML integration – Self composition

As I am hoping you heard from Nick , we just shipped MEF Preview 6 which includes a version of MEF for Silverlight 3! At the same time that we’ve been wrapping up on our .NET 4.0 release, we are busy working on a proper release for Silverlight vNext.
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Meffifying Windows Azure

Magnus has been off doing some interesting work around integrating MEF with Windows Azure . The first question you might be asking is Why? In his words, he set out to build a template for Windows Azure templates that: enables testability abstracts away
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Upcoming talks at NDC in Oslo and Poland

Next week, I am heading to Europe for two weeks to give several talks. My first stop is NDC 2009 , where I’ll be delivering the following talks: Framework Design Guidelines Building Maintainable Enterprise Applications with Silverlight and WPF Building
Posted by Glenn Block | 1 Comments

Customizing container behavior part 2 of N - Defaults

Before I get into the post, let me start off with a word of advice for new bloggers. Never say in a post, this is the first of many to come. RESIST! You are just setting yourself up for never doing that second post. I know as the last post in this series
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MEF Preview 5, changes and enhancements

We recently shipped MEF preview 5 on Codeplex , an exciting release. In the latest release, you’ll find we’ve made quite a few changes, and some really powerful enhancements to our previous codebase. In this post, I’ll talk about those changes in detail,
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