January 2012 | .NET Parallel Programming

Advanced APM Consumption in Async Methods

Stephen Toub - MSFTJanuary 23, 2012Jan 23, 201201/23/12

I’ve previously blogged about how to expose existing Asynchronous Programming Model (APM) implementations as Task-based methods. This can be done manually using a TaskCompletionSource<TResult>, or it can be done using the built-in wrapper provided in TPL via the Task.Factory.FromAsync method. By creating a Task-based wr

Await, SynchronizationContext, and Console Apps: Part 2

Stephen Toub - MSFTJanuary 21, 2012Jan 21, 201201/21/12

Yesterday, I blogged about how you can implement a custom SynchronizationContext in order to pump the continuations used by async methods so that they may be processed on a single, dedicated thread. I also highlighted that this is basically what UI frameworks like Windows Forms and Windows Presentation Foundation do with their message pu

Implementing a SynchronizationContext.SendAsync method

Stephen Toub - MSFTJanuary 20, 2012Jan 20, 201201/20/12

I recently saw two unrelated questions, the answers to which combine to form a potentially useful code snippet.The first question was about SynchronizationContext. SynchronizationContext provides a Post method, which asynchronously schedules the supplied delegate and object state to be executed according to the SynchronizationContext&rsq

Await, SynchronizationContext, and Console Apps

Stephen Toub - MSFTJanuary 20, 2012Jan 20, 201201/20/12

When I discuss the new async language features of C# and Visual Basic, one of the attributes I ascribe to the await keyword is that it “tries to bring you back to where you were.” For example, if you use await on the UI thread of your WPF application, the code that comes after the await completes should run back on that same UI thr

FAQ on Task.Start

Stephen Toub - MSFTJanuary 14, 2012Jan 14, 201201/14/12

Recently I’ve heard a number of folks asking about Task.Start, when and when not to use it, how it behaves,and so forth. I thought I’d answer some of those questions here in an attempt to clarify and put to rest any misconceptions about what it is and what it does.1. Question: When can I use Task.Start?The Start instance meth

.NET Parallel Programming

January 2012 | .NET Parallel Programming

Advanced APM Consumption in Async Methods

Await, SynchronizationContext, and Console Apps: Part 2

Implementing a SynchronizationContext.SendAsync method

Await, SynchronizationContext, and Console Apps

FAQ on Task.Start

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