c# .NetStandard 项目的 *.sln *.csproj 文件中的相对路径

Question

Basically what the titles says. I have a .NetStandard library which I am working on from both windows and linux. My issue is that the reference paths are fully specified.

Let's say in this case, I have 4 projects, each with their own folder and git repository. Project 1 references Project 2, 3, and 4; Project 2 and 3 reference project 4. The project folder structure is the same on both linux and windows however the user profile path variable differs.

|-Project 1 | |-Project 2 | |-Project 3 | |-Project 4

Can I specify relative paths in the .sln and .csproj files? If so how?

Answer 1

You can put paths that are relative to the .sln or .*proj in their respective files. I just opened up the .sln and .*proj our company is using an it looks like this. These were auto generated by Visual Studio for us when adding projects to the solution.

.sln

Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BL", "BL\BL.csproj", "{DF73AB2C-7331-49FD-8B4A-F71DAC66198A}"
EndProject

.*proj

<ProjectReference Include="..\..\..\BL\BL.csproj">
  <Project>{df73ab2c-7331-49fd-8b4a-f71dac66198a}</Project>
  <Name>BL</Name>
</ProjectReference>

Answer 2

In *.csproj you can define properties.

Define a property MyStuffDir with the value $(ProjectDir)..\\..\\_MyFolder\\ .

<PropertyGroup>
    <MyStuffDir>$(ProjectDir)..\..\_MyFolder\</MyStuffDir>  
</PropertyGroup>

$(ProjectDir) is the folder where the current csproj-file is placed. Much more "Macros" available, see for example Build Events "PreBuildSteps" and "PostBuildSteps". $(SolutionDir) is where the sln-file is placed.

HINT I prefer the usage of $(ProjectDir) , because it works also on CLI with msbuild, when I just build a single project and not the whole solution.

Use $(MyStuffDir) inside an item group of the csproj-file, so you are relative to project level.

<ItemGroup>
    <Compile Include="$(MyStuffDir)AssemblyVersion.cs">
      <Link>Properties\AssemblyVersion.cs</Link>
    </Compile>
</ItemGroup>