在4.0 .NET Runtime上加载2.0 .NET程序集 [英] Loading 2.0 .NET assembly on 4.0 .NET Runtime

问题描述

全部，

假设我有一个在.NET 2.0下编译的程序集。我可以在没有任何重定向等的.NET 4.0上运行这个程序集吗？

Lets say I have an assembly compiled under .NET 2.0. Can I run this assembly on a PC that has on .NET 4.0 without any redirection etc? Just out of the box.

感谢，
MK

Thanks, MK

推荐答案

因为4.0框架与1.1和2.0 / 3.5并行安装，您将需要安装.NET Framework 2.0，以便在无需修改的情况下运行2.0应用程序。

Because the 4.0 framework installs side-by-side with 1.1 and 2.0/3.5, you would need the .Net Framework 2.0 installed in order to run a 2.0 application without modification.

如果您希望应用程序使用.Net 4.0 Framework运行，您应该更改应用程序配置以执行此操作：

If you would like the application to run using the .Net 4.0 Framework, you should alter the application configuration to do so:

<configuration>
   <!-- may need useLegacyV2RuntimeActivationPolicy="true" -->
   <startup>
      <supportedRuntime version="v4.0"/>
   </startup>
</configuration>

如果从.Net Framework 4.0应用程序引用.Net Framework 2.0程序集，您可能必须更新应用程序的清单，但通常在Visual Studio中为您处理。

If you reference .Net Framework 2.0 assemblies from a .Net Framework 4.0 application you may have to update your application's manifest, but usually this is handled in Visual Studio for you.

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