哪个.NET版本的C＃5异步功能 [英] Which .NET version for C# 5 async features

问题描述

哪个版本的.NET不使用者必须有其计算机上安装一个开发商使用更新的异步功能在C＃5？

Which version of .NET does the user have to have installed on their computer for a developer to use the updated async functionality in C# 5?

推荐答案

C＃异步功能在.net 4.5推出使用类

C# Async features use classes introduced in .Net 4.5

不过，您也可以<一href="http://blogs.msdn.com/b/bclteam/archive/2012/10/22/using-async-await-without-net-framework-4-5.aspx">use异步目标定位包的距离的NuGet，其中包括这些类的.Net 4.0。

However, you can also use the Async Targetting Pack from NuGet, which includes these classes for .Net 4.0.

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