Are you wondering what my team does for team building? You can find out on our .NET wide blog .

It’s done. About five months ago, we shipped our Microsoft.Bcl.Async NuGet package which provides support for the async/await keywords for pre-.NET 4.5 platforms, such as .NET 4, Silverlight 4, and Windows Phone 7.5. Of course, this includes support...

After introducing immutable collections three months ago, it’s now time to peek behind the curtain. What did we learn from the preview? How do they work? What trade-offs did we make? Are they different from persistent data structures ? Those...

Thanks a lot for your great feedback! Two months ago, we shipped a NuGet package with support for immutable collections . We’ve also talked about it on Channel 9 . Since then we received feedback through various channels and we’re happy...

Many of you told us you want HttpClient for Windows Phone. In this post, Alok Shriram, a Program Manager on the .NET Framework team , will talk about an important announcement of ours. –Immo Today we are announcing our Beta release of the portable...

Recently we were interviewed by Erik Meijer for Channel 9 . We talked about our preview of immutable collections and answered several questions that were being asked on the Channel 9 post about immutable collections . Tune in and enjoy!

Over the last years .NET added many features to make writing multithreaded applications easier. This includes the Task Parallel Library (TPL) as well as the new async/await keywords features to reduce the friction when writing asynchronous code. However...

[ Update : We've uploaded a new version of Microsoft.Bcl.Async NuGet package. The previous version will not work correctly on Windows Phone 7.1] Do you want to use await but don’t want to wait until you can target .NET Framework 4.5? The waiting...

Last week we released .NET Framework 4.5 . Today we are happy to announce the release of the RTM versions of the MEF and TPL Dataflow NuGet packages, as promised . Changes Our pre-release versions were already in an excellent shape so we didn’t...

Visual Studio 2012 includes built-in support for Portable Class Libraries that can be used to share code between .NET applications targeting multiple platforms, for example, between Windows Phone and Windows 8 Metro style apps. We’ve received...

If I were a Microsoft executive I would probably introduce this post with “I’m super excited to announce…” but I’m not. I’m just an engineer. Well, an incredibly proud engineer nonetheless. In any case, I’m proudly...

If you’ve installed the .NET Framework 4.5 RC, you may have noticed some differences between this prerelease and the .NET Framework 4.5 Beta. One of the changes we made was to move two libraries to an independent distribution model via NuGet . ...

Today we are announcing the Beta release of the Portable Library Tools 2 for Visual Studio 2010. This is an update to the first version we released in June 2011. It brings parity with Portable Library Tools in Visual Studio 11 Beta for those platforms...

Async Targeting Pack for Visual Studio 11 now available for .NET 4 and Silverlight 5 We would like to announce that you can now download an Async Targeting Pack for Visual Studio 11 that lets you use Visual Studio 11 Beta to create projects that target...

This article provides guidelines for using and developing compilers, metadata readers, build extensions, and other tools that work with .NET Framework metadata in multi-targeting scenarios. Multi-targeting is the ability to target a specific combination...

With the second major release of MEF the team has significantly streamlined support for web applications. In November we previewed the new Composition Provider for ASP.NET MVC , and we’ve had great feedback supporting this direction. In this post...

Nearly two months since we published MEF 2 Preview 4, we have just posted our fifth preview on the MEF CodePlex site. The new preview has been shaped by your feedback; everyone who took the time to download, evaluate or comment on the last version...

This post discusses features in the preview version of MEF, and some details may change between now and the full release. In the previous post , we introduced ExportFactory<T> and demonstrated how it can be used to control the lifetimes of MEF...

This post discusses features in the preview version of MEF , and some details may change between now and the full release. In the first version of MEF there are only two notions of lifetime: A shared global lifetime or a per instance lifetime. In MEF...

This post discusses features in the preview version of MEF , and some details may change between now and the full release. The latest MEF preview includes a new assembly, System.ComponentModel.Composition.Web.Mvc.CodePlex.dll , that simplifies the...

This post discusses features in the preview version of MEF , and some details may change between now and the full release. One of the big advances made in the new MEF preview is a convention-driven programming model aimed at eliminating repetitive...

This post discusses features in the preview version of MEF, and some details may change between now and the full release.

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The MEF team has been quietly at work for some time getting the finishing touches on another developer preview. You can download the new source and .NET 4.0-compatible binaries from the Codeplex site.

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Useful resources for porting existing .NET code to Metro style apps.

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Memory mapped files are a powerful technique for random file access and inter-process communication, but like all powerful techniques they come with some quirks. One subtle nuance is that the size of a memory mapped file is always expanded up to the next virtual memory page boundary. This means that developers must track the difference between the useful memory contents containing data, and junk bytes that fill the space up to the next virtual memory page boundary.

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