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In the previous installment, I discussed how to use iterators (yield return) to create async methods. This time, we’re about to do almost the opposite – use async methods to implement async iterators.
Here’s what it looks like:
What are async iterators?
In .NET we use the IEnumerable<T> and IEnumerator<T> interfaces to create […]
TL;DR Just grab the .snk from the Roslyn repo, name your bridge assembly to something from the InternalsVisibleTo (e.g. Roslyn.Hosting.Diagnostics), sign it with the key, and you can access all the internals at compile time, with IntelliSense!
Roslyn has a lot of very useful internal types. In fact, most of the functionality […]
I have been waiting for while for the Roslyn team to expose the completion and signature help services so I could use them in RoslynPad without having to compile my own version. This was expected to be included in Update 1 but got pushed back.
So for the time being, I’ve updated the RoslynPad […]
If you’re using async/await a lot (a given nowadays), you may have noticed stack traces are not very readable. For example, this is a 3 async method chain’s stack:
I’ve been using Service Fabric lately, and async is used everywhere. It made the logs hard to read and larger than they should be.
So (after […]
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Update
With Service Fabric SDK v2 this became much simpler. Check out this SO answer of mine for details.
Service Fabric’s default communication stack for Reliable Services provides a simple way to enable communications without worrying about protocols, discovery, and much more as we shall see. To use the stack, we need to create […]
Windows PerfMon is an invaluable tool, but it’s UI remained the same for years, stuck somewhere in the 1990’s. This is my attempt at “reimagining” it.
Note the edges are still rough (think version 0.1), and it’s still missing a lot of features the original tool has. I welcome criticism and ideas; please use GitHub […]
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I recently found out that using the Microsoft.Bcl.Async package to support async/await in Silverlight has a major downside – it rethrows exceptions without preserving the stack trace. That’s because Silverlight lacks ExceptionDispatchInfo, a mechanism that was added in .NET 4.5 that allows rethrowing exceptions while keeping their stack traces intact.
So I wrote […]
A while back I created a small sample that exposed the Roslyn code completion (a.k.a. Intellisense) APIs via Reflection. This was during the CTP days of Roslyn, and I hoped these APIs would become public when Roslyn hits RTM.
Much has changed in Roslyn during these past two years, and […]
When awaiting tasks in C#, you have the option to configure how the continuation behaves – whether it uses the Synchronization Context or not.
This can be pretty important, especially when awaiting tasks in code that was initialized from a UI thread, which has a Synchronization Context. Poorly written code can easily result in a […]
Windows’ dialogs can be bad for your app They don’t allow you to resize, minimize or do anything with the containing window As a consequence of the above, when you use WIN+D to show the desktop, then open another window, they suddenly pop back up from nowhere (along with the containing window, of course) You can’t […]
