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概要 C# 5.0のasync/awaitがなかったころ、少し複雑目な非同期制御フローをどうやって実現していたかという話。 C# 5.0を使えない状況下で非同期処理を書くことになった場合の参考としてや、async/awaitがどうやって実現されているかを知るきっかけになると思います。 サンプル コード（ZIP 形式。proj/sln 含め一式。） ポイント C# 5.0（await演算子）便利だなー await演算子が内部的にやっていることは、イテレーターに近い なので、昔はイテレーターを使って非同期処理をすることが結構あった サンプルの要件 今回の例として使うのは、Figure 1に示すような、確認ダイアログ表示のフロー。 確認ダイアログを表示する例 要は、何かを実行するにあたって、特定条件下では確認ダイアログの表示が必要で、すべてのダイアログで「OK」を押したときにだけ実行に移るという
Reactive Extensions(Rx)の利点ってなんですかー、というと、合成可能なんです！ということです。合成可能って何？というと、LINQが使えるということなんです！です。じゃあ他には、ということで…… 詳しくはこの動画/スライド見るといいです。 Curing Your Event Processing Blues with Reactive Extensions (Rx) | TechEd Europe 2012 | Channel 9。最初のほうの例が非常に分かりやすいので、とりあえずその部分だけ引っ張ってきますと // sender, argsの型がふわふわ exchange.StockTick += (sender, args) => // senderの型が消えてる { if (args.Quote.Symbol == "MSFT") { // 合成できないからイベント
Archived MSDN and TechNet Blogs 1/21/2020 2 minutes to read MSDN and TechNet blog sites have been retired, and blog content has been migrated and archived here. Archived blogs are grouped alphabetically by the initial letter of the blog name. Blogs and blog posts can be searched by their names, using the Search box at the top of the page. Actively updated blogs have been moved to other blog sites,
Archived MSDN and TechNet Blogs 1/21/2020 2 minutes to read MSDN and TechNet blog sites have been retired, and blog content has been migrated and archived here. Archived blogs are grouped alphabetically by the initial letter of the blog name. Blogs and blog posts can be searched by their names, using the Search box at the top of the page. Actively updated blogs have been moved to other blog sites,
Watch Azure Developers - .NET Aspire Day 2024 on-demand! Dive deep into building world-class cloud native applications with .NET and Azure using .NET Aspire! Developers often ask for guidance on how to write responsive user interfaces. Reading most books about the .NET Framework over the past ten years, you’ll see coverage of the asynchronous programming model which requires a lot of careful atten
Archived MSDN and TechNet Blogs 1/21/2020 2 minutes to read MSDN and TechNet blog sites have been retired, and blog content has been migrated and archived here. Archived blogs are grouped alphabetically by the initial letter of the blog name. Blogs and blog posts can be searched by their names, using the Search box at the top of the page. Actively updated blogs have been moved to other blog sites,
MVVM拡張、という言い方が適切かは不明ですが、ともあれ、RxでXAMLによるUIシステムとの親和性を高めるライブラリを作成し、リリースしました。 ReactiveProperty - MVVM Extensions for Reactive Extensions 中身は大きく分けて二つで、一つはReactivePropertyというXAMLと双方向にバインド可能なIObservable<T>、ReactiveCommandというIObservable<bool>からCanExecuteの条件を宣言的に生成するコマンドなど、MVVM的なUI絡みのクラス群。もう一つはWebClientやWebRequestなど、非同期処理のための拡張メソッド群になります。 名前はUI中心に見えますが、UI絡みはいらないよ、という人は非同期周りだけを使ってくれても問題ありません。それと、機能紹介の前に一つ。決
In Visual Studio 2022 17.10 Preview 2, we’ve introduced some UX updates and usability improvements to the Connection Manager. With these updates we provide a more seamless experience when connecting to remote systems and/or debugging failed connections. Please install the latest Preview to try it out. Read on to learn what the Connection ...
In Visual Studio 2022 17.10 Preview 2, we’ve introduced some UX updates and usability improvements to the Connection Manager. With these updates we provide a more seamless experience when connecting to remote systems and/or debugging failed connections. Please install the latest Preview to try it out. Read on to learn what the Connection ...
In Visual Studio 2022 17.10 Preview 2, we’ve introduced some UX updates and usability improvements to the Connection Manager. With these updates we provide a more seamless experience when connecting to remote systems and/or debugging failed connections. Please install the latest Preview to try it out. Read on to learn what the Connection ...
In Visual Studio 2022 17.10 Preview 2, we’ve introduced some UX updates and usability improvements to the Connection Manager. With these updates we provide a more seamless experience when connecting to remote systems and/or debugging failed connections. Please install the latest Preview to try it out. Read on to learn what the Connection ...
In Visual Studio 2022 17.10 Preview 2, we’ve introduced some UX updates and usability improvements to the Connection Manager. With these updates we provide a more seamless experience when connecting to remote systems and/or debugging failed connections. Please install the latest Preview to try it out. Read on to learn what the Connection ...
In Visual Studio 2022 17.10 Preview 2, we’ve introduced some UX updates and usability improvements to the Connection Manager. With these updates we provide a more seamless experience when connecting to remote systems and/or debugging failed connections. Please install the latest Preview to try it out. Read on to learn what the Connection ...
In Visual Studio 2022 17.10 Preview 2, we’ve introduced some UX updates and usability improvements to the Connection Manager. With these updates we provide a more seamless experience when connecting to remote systems and/or debugging failed connections. Please install the latest Preview to try it out. Read on to learn what the Connection ...
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