Stephen Cleary Download the Code Sample This is the second article in a series on combining async and await with the established Model-View-ViewModel (MVVM) pattern. Last time, I showed how to data bind to an asynchronous operation, and I developed a…

Asynchronous Programming Patterns The .NET Framework provides three patterns for performing asynchronous operations: 1.Asynchronous Programming Model (APM) pattern (also called the IAsyncResult pattern), where asynchronous operations require Begin an…

使用MVVM设计模式构建WPF应用程序 本文是翻译大牛Josh Smith的文章,WPF Apps With The Model-View-ViewModel Design Pattern,译者水平有限,如有什么问题请看原文,或者与译者讨论(非常乐意与你讨论). 本文讨论的内容: WPF与设计模式.MVP模式.对WPF来说为什么MVVM是更好的选择.用MVVM构建WPF程序.本文涉及的技术.WPF.数据绑定. 目录: 1引言 2有序与混乱 3模型-视图-视图模型的演变 4为什么WPF开发者喜欢M…

By Bohdan Orlov on 21 Mar 2016 - 0 Comments iOS FYI: Slides from my presentation at NSLondon are available here. Feeling weird while doing MVC in iOS? Have doubts about switching to MVVM? Heard about VIPER, but not sure if it worth it? Keep reading t…

WinForms MVVM This section is dedicated to the Model-View-ViewModel (MVVM) architectural pattern. You will find all required info about its basic concepts and ways to implement it in WinForms applications. The 'Tutorials' group contains multiple step…

These days there’s a wealth of information about the new async and await support in the Microsoft .NET Framework 4.5. This article is intended as a “second step” in learning asynchronous programming; I assume that you’ve read at least one introductor…

原文 避免async void async void异步方法只有一个目的:使得event handler异步可行,也就是说async void只能用于event handler. async void方法有不同的错误处理机制.当async Task或者async Task<T>方法里面抛出异常时,异常会被捕捉到,并放在Task对象里面.在async void方法里面没有Task对象,因此发生在async void方法里面的异常会直接raised到SynchronizationContext中.…

Introduction Me and my wife had some interesting conversations on Object Oriented Design principles. After publishing the conversation on CodeProject, I got some good responses from the community and that really inspired me. So, I am happy to share o…

There are two types of input/output (I/O) synchronization: synchronous I/O and asynchronous I/O. Asynchronous I/O is also referred to as overlapped I/O. In synchronous file I/O, a thread starts an I/O operation and immediately enters a wait state unt…

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