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  • Blog Post: Async Targeting Pack for Visual Studio 11 now available for .NET 4 and Silverlight 5

    If you’ve held off on trying Visual Studio 11 Beta because your .NET 4 or Silverlight 5 app uses the Async CTP, your wait is over! Today we’ve published the Async Targeting Pack for Visual Studio 11 , a NuGet package that lets your Visual Studio 11 projects target .NET 4 and Silverlight 5...
  • Blog Post: Blocking Collection and the Producer-Consumer Problem

    This time I want to discuss features that belong to the new System.Collections.Concurrent namespace in the.NET Framework 4. When you design parallel applications, you often need thread-safe data storage as well as some mechanism of sending messages between tasks. Once again, this post will touch on just...
  • Blog Post: Parallel Programming: Task Cancellation

    In this post, which is the third one in my parallel programming introduction series, I want to show how you can cancel parallel operations when working with the Task Parallel Library (TPL) . I’m going to modify the program that I started in the previous posts. By the way, here’s the full list of posts...
  • Blog Post: Parallel Programming: Task Schedulers and Synchronization Context

    Thanks to everyone who provided feedback on my previous post Parallel Programming in .NET Framework 4: Getting Started . As promised, I am continuing the series. This time, let’s go a little bit deeper and talk about task schedulers , synchronization context , tasks that return values , and some other...
  • Blog Post: Parallel Programming in .NET Framework 4: Getting Started

    With this post I want to start a series devoted to the new parallel programming features in .NET Framework 4 and introduce you the Task Parallel Library (TPL) . Update. The list of posts in this series: Getting Started (this post) Task Schedulers and Synchronization Context Task Cancellation Blocking...
  • Blog Post: Covariance and Contravariance FAQ

    In this post I’ll try to answer the most common questions I find on forums and in documentation feedback about C# covariance and contravariance. It’s a big topic for a single blog post, so expect to see a lot of “more information” links. Special thanks to Eric Lippert and Chris Burrows for reviewing...
  • Blog Post: Debugging Expression Trees in Visual Studio 2010

    First of all, let’s take a look at the example from one of my previous posts . It creates an expression tree for calculating the factorial of a number. ParameterExpression value = Expression .Parameter( typeof ( int ), "value" ); ParameterExpression result = Expression .Parameter( typeof ( int...
  • Blog Post: Dynamic in C# 4.0: Creating Wrappers with DynamicObject

    In the previous post I showed how you can use the new dynamic feature and the ExpandoObject class to add and remove properties at run time, and how this can make your code more readable and flexible than code written with LINQ to XML syntax. But there were some obvious flaws in that example: While...
  • Blog Post: Dynamic in C# 4.0: Introducing the ExpandoObject

    You have probably already heard about the new dynamic feature in C# 4.0 and how it is used to support COM interop. If you haven't, I strongly recommend reading the following MSDN articles: Using Type dynamic and How to: Access Office Interop Objects by Using Visual C# 2010 Features . Well, where else...
  • Blog Post: Generating Dynamic Methods with Expression Trees in Visual Studio 2010

    Expression trees first appeared in Visual Studio 2008, where they were mainly used by LINQ providers. You can use expression trees to represent code in a tree-like format, where each node is an expression. You can also convert expression trees into compiled code and run it. This transformation enables...
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