在外部别名'XXX'是不是在/ reference选项指定 [英] The extern alias 'xxx' was not specified in a /reference option

问题描述

我有两个组件，不幸的是定义相同类型相同的命名空间。我试图用一个 外部别名 < /一>，以解决该问题。在Visual Studio IDE中我已经设置了参考我的别名别名属性。这应该改变C＃编译器命令行是这样的：

I have two assemblies that unfortunately define the same type in the same namespace. I'm trying to use a an extern alias to work around the problem. In the Visual Studio IDE I have set the "Aliases" property of the reference to my alias. This is supposed to change the C# compiler command line to be something like this:

/reference:MyAlias=MyAssembly.dll

但它实际上并没有做到这一点。在Visual Studio IDE似乎忽略的参考别名属性设置。所以，当我去，并添加行外部别名MyAlias​​; 在我的C＃code文件的顶部，我得到的别名是不是在/参考指定的错误选项​​编译。我想不出什么我做错了。任何想法？

But it doesn't actually do that. The Visual Studio IDE seems to just ignore the Aliases property setting on the reference. So when I go and add the line extern alias MyAlias; at the top of my C# code file I get the error that the alias was not specified in a /reference option to the compiler. I can't figure out what I am doing wrong. Any ideas?

推荐答案

我也有同样的问题，我能够重现问题。

I have the same problem and I was able to reproduce the issue.

原来，参考别名含有具有了xmlns定义喜欢的xmlns输出组件XAML文件项目忽略：地方=CLR的命名空间：TestProject的。

It turns out reference aliases are ignored on projects containing xaml files which has an xmlns definition to the output assembly like xmlns:local='clr-namespace:TestProject'.

如果你觉得这是你的情况下，也请投我的<一个href="https://connect.microsoft.com/VisualStudio/feedback/details/615953/reference-aliases-are-ignored-on-projects-containing-some-xaml-files">bug在微软连接报告。

If you think this is your case as well, please vote up my bug report at Microsoft Connect.

编辑： 有一个在链接建议解决上面这需要手动编辑项目文件。为了使这项工作，我不得不放弃装配的完整路径。添加下面的说明，你的项目文件的末尾：

There is a suggested workaround in the link above which requires editing the project file manually. In order for this to work, I had to give full path of the assembly. Add the following instructions to the end of your project file:

<Target Name="solveAliasProblem" >
<ItemGroup>
 <ReferencePath Remove="FullPath.dll"/>
 <ReferencePath Include="FullPath.dll">
    <Aliases>ourAlias</Aliases>
 </ReferencePath>
</ItemGroup>
</Target>
<PropertyGroup>
    <CoreCompileDependsOn>solveAliasProblem;$(PrepareResourcesDependsOn)</CoreCompileDependsOn>
</PropertyGroup>

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