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Almost any software application today will likely contain a long-running process. “Long-running” may be a relative term but in the Windows Runtime it is specifically anything that could take longer than 50ms to execute. That’s a fairly small window, and it means those operations will need to run concurrently to the main application thread. Concurrency is important in both client applications (to keep from blocking the UI) and server applications (to accommodate multiple simultaneous requests). The new technology referred to as Visual Studio Asynchronous Programming provides a streamlined language syntax for asynchronous development. It does this by
providing two new keywords: async and await. While these keywords may simplify asynchronous development, they can still be confusing to developers. There are a lot of materials out there but I thought it might help to take a very simple example and explore just what these keywords are and how they operate. In this post I’ll focus specifically on the .NET Framework 4.5 support. While they are also supported for Metro-style applications, the implementation is slightly different. The Main Event In the movie Mission Impossible II, the short-lived protagonist Dr. Nekhorvich says: “…every search for a hero must...(Read whole news on source site)

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Home : Blog List : C#er: IMage : The Task: Events, Asynchronous Calls, Async and Await