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  • 0 comments  /  posted by  Silverlight Show  on  Jun 10, 2010 (3 days ago)
    David Kelley has made some updates to the HackingSilverlightCodeBrowser.

    A couple of bits of news. I did a number of updates to the HackingSilverlightCodeBrowser here: 

    including things like MEF and IsolatedStorage.

  • 0 comments  /  posted by  Michael Washington  on  Jun 07, 2010 (6 days ago)
    Tags: Silverlight , MEF
    The documentation for The Managed Extensibility Framework (MEF) describes its purpose as a tool that "...simplifies the creation of extensible applications". That is a very general statement. It's like describing nuclear physics as "the field of physics that studies the building blocks and interactions of atomic nuclei". In some ways MEF is as powerful to programming as nuclear physics is to science.

    However, for the "common man", nuclear physics is only important because it makes your lights turn on when you flick the light switch. With MEF, we will use it to simply load a .xap file that contains a Silverlight application. Trust me, it can do a lot more, but MEF is in a state like the Visual State Manager was years ago, powerful but hard to use, so you may decide to wait for more advanced tooling to appear before implementing some of it's other functions.

    You may have heard about MEF and how great it is. However, you may find it a bit confusing and hard to follow. Fear not. This article is designed for you! The goal here is to give you a quick easy win. You will be able to understand this one. You will come away with something you can use, and you will be able to tell your fellow colleagues, "MEF? yeah I'm using that, good stuff".

    The full article is here:

  • 0 comments  /  posted by  Silverlight Show  on  Jun 04, 2010 (1 week ago)
    John Papa has created a simple plugin named “Sticky” for his Seesmic Desktop.
    Feel free to use this plugin as you like. It is a simple plug in that shows information about the Twitter user right inline with the Tweet. This post will explain what the Sticky plugin does and of course I’ll share the plugin with you. I’ll follow up with another post to explain how to create a plugin using the Seesmic Desktop platform, Visual Studio 2010, and Expression Blend.
  • 0 comments  /  posted by  Silverlight Show  on  May 28, 2010 (2 weeks ago)
    In this post Jeremy Likeness explains what happens if the user is running on their desktop and offline and demonstrates his OfflineCatalog which comes to help in such situations.

    This MEF catalog behaves like the DeploymentCatalog with a few exceptions. First, it will save any XAP file to isolated storage whenever it retrieves one, and second, if the application is OOB and offline, it will automatically load the XAPs from isolated storage instead of trying to fetch them from the web.

    Instead of building my own catalog from scratch, I decided to cheat a little bit and use some of the existing catalogs "under the covers."

  • 0 comments  /  posted by  Silverlight Show  on  May 25, 2010 (2 weeks ago)
    Tags: MEF , ViewModel , Navigation , Josh Twist
    In this article, Josh Twist discusses a MEF-driven ViewModel navigation scheme with animation on the navigation.

    One of my favourite features in WPF is the ability to have it automagically wire up a databound object (often a ViewModel) to a particular DataTemplate. A lot of people really miss this feature when using Silverlight as it's still missing from the latest version (Silverlight 4 at the time of writing).

    Folk have blogged a number of bespoke solutions, including one by my colleague Rob Garfoot: Flexible Data Template Support in Silverlight.

  • 0 comments  /  posted by  Silverlight Show  on  May 25, 2010 (2 weeks ago)
    This article is part one of a series written by Weidong Shen on developing a Silverlight business application using MEF, MVVM Light, and WCF RIA Services.

    This sample application is the result of my initiative to learn Silverlight and WCF RIA Services. With my background of using WPF and MVVM for the past several years, I found that there is a lack of sample LOB applications that can combine the latest Silverlight enhancements with MVVM. This three part article series is my effort at creating such a sample. The choice of an issue tracking application comes from David Poll's PDC09 talk, and the design architecture is from Shawn Wildermuth's blog posts.

  • 0 comments  /  posted by  Silverlight Show  on  May 18, 2010 (3 weeks ago)
    In this post David Kelley talks about MEF, how to get started with it and what can MEF really do.

    Microsoft Extensibility Framework or MEF is one of the great features in Silverlight, designed around making Silverlight applications more extensible generally and provides a much more complete story for the separation of concerns. MEF then begs the question 'Why we care?' and 'What can MEF really do?' and we will address that here.

  • Hello MEF in Silverlight 4 and VB! (with an MVVM Light cameo)

    0 comments  /  posted by  Silverlight Show  on  May 17, 2010 (3 weeks ago)
    Tags: MEF , MVVM , VB , Silverlight 4 , Glenn Block
    Glenn Block has e very detailed article on developing Silverlight applications with MEF in Visual Basic.

    For a while we’ve been getting a number of requests to have some MEF samples in VB. Let me first apologize as it’s been something I’ve been meaning to do for a very long time. To partially redeem myself, I’ve gone ahead and ported my Hello MEF sample which I demonstrated at PDC and had a small blog series on. BTW, I won’t blame you if you are not ready to forgive me for not showing VB love earlier. ;-)

    The “app” (If you squint you might think it’s a real app :-) ) is an illustration of building a pluggable dashboard with MEF. The sample illustrates a ton of concepts around MEF, but the app itself is quite simple to grock.

  • MEF, Silverlight and the HVP

    0 comments  /  posted by  Silverlight Show  on  May 10, 2010 (1 month ago)
    Tags: HyperVideo , MEF , Jesse Liberty
    With this article Jesse Liberty continues the design and exploration phase of the Silverlight HVP project by beginning to examine the role that MEF will play in solving a number of challenges in the project.

    The Silverlight HVP poses the challenge of accommodating the different functional requirements that different audiences will want built into or added onto the player. Further, we know that if the Silverlight HVP is a success the requirements will evolve over time as the player is adopted and adapted in unanticipated ways.

  • Slides and Code from Davide Zordan's Silverlight 4 – MEF webcast

    0 comments  /  posted by  Silverlight Show  on  May 05, 2010 (1 month ago)
    Tags: MEF , Webcasts , Silverlight 4 , Davide Zordan
    Davide Zordan has published the sample code and slides (in italian) from his webcast around Silverlight 4 and MEF for the local XEdotNET user group.

    The samples contain the following topics:

    • Simple composition using the CompositionInitializer;
    • Multiple Exports;
    • Metadata;
    • Custom Attributes;
    • Dynamic object creation with ExportFactory [...]

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