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Base Class Libraries

Announcing Portable Library Tools 2 Beta for Visual Studio 2010 [Mircea]
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... more
Wednesday, May 9 BCL Team
Async Targeting Pack for Visual Studio 11 now available for .NET 4 and Silverlight 5 [Greg]
Async Targeting Pack for Visual Studio 11 now available for .NET 4 and Silverlight 5We would like to announce that you can now download an Async Targeting Pack for Visual Studio 11 that lets you use ... more
Thursday, Apr 26 BCL Team
Multi-Targeting Guidelines for Tools for Managed Code [Mircea]
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-targ... more
Wednesday, Apr 11 BCL Team

Essential BCL Resources

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Forums
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Code Samples

Tools for Framework Architecture Verification

The Tools for Framework Architecture Verification is is a suite of tools primarily aimed at validating the architecture of a framework.

Framework Design Studio

Framework Design Studio is a set of tools for reusable library designers. The package contains a GUI tool for viewing, reviewing, and comparing versions of managed APIs.

More BCL Resources

Give Us Your Feedback on .NET Framework DocumentationGive Us Your Feedback on .NET Framework Documentation

Help us help you by taking 10 minutes to fill out our Content Survey on how to improve the Visual Studio and .NET Framework documentation.

DevLabs: Code ContractsDevLabs: Code Contracts

Code Contracts provide a language-agnostic way to express coding assumptions in .NET programs.

Channel 9 Videos for .NET FrameworkChannel 9 Videos

Watch videos and connect with your peers.

Common Language RuntimeCommon Language Runtime

The .NET Framework's run-time environment runs the code and provides services that make the development process easier.

.NET in MSDN Magazine MSDN Magazine

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