使用CSharpMath.Forms 0.5.1时System.Numerics.Vectors版本冲突问题求解

问题描述 #

升级到CSharpMath 0.5.1后，编译项目时出现以下版本冲突警告，导致组件无法正常工作：

Warning     Found conflicts between different versions of "System.Numerics.Vectors" that could not be resolved.
There was a conflict between "System.Numerics.Vectors, Version=2.0.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" and "System.Numerics.Vectors, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a".
    "System.Numerics.Vectors, Version=2.0.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" was chosen because it was primary and "System.Numerics.Vectors, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" was not.
    References which depend on "System.Numerics.Vectors, Version=2.0.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" [C:\Program Files\Microsoft Visual Studio\2022\Community\Common7\IDE\ReferenceAssemblies\Microsoft\Framework\MonoAndroid\v1.0\System.Numerics.Vectors.dll].
        C:\Program Files\Microsoft Visual Studio\2022\Community\Common7\IDE\ReferenceAssemblies\Microsoft\Framework\MonoAndroid\v1.0\System.Numerics.Vectors.dll
          Project file item includes which caused reference "C:\Program Files\Microsoft Visual Studio\2022\Community\Common7\IDE\ReferenceAssemblies\Microsoft\Framework\MonoAndroid\v1.0\System.Numerics.Vectors.dll".
            System.Numerics.Vectors
    References which depend on "System.Numerics.Vectors, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" [].
        C:\Users\vizid\.nuget\packages\csharpmath.rendering\0.5.1\lib\netstandard2.0\CSharpMath.Rendering.dll
          Project file item includes which caused reference "C:\Users\vizid\.nuget\packages\csharpmath.rendering\0.5.1\lib\netstandard2.0\CSharpMath.Rendering.dll".
            C:\Users\vizid\.nuget\packages\csharpmath.rendering\0.5.1\lib\netstandard2.0\CSharpMath.Rendering.dll
            C:\Users\vizid\.nuget\packages\csharpmath.forms\0.5.1\lib\netstandard2.0\CSharpMath.Forms.dll
            C:\Users\vizid\.nuget\packages\csharpmath.skiasharp\0.5.1\lib\netstandard2.0\CSharpMath.SkiaSharp.dll   Test.Android            

原版本为CSharpMath 0.3.0，因存在已知问题需升级到0.5.1，但升级后出现上述冲突。

解决步骤 #

1. 添加程序集绑定重定向 #

在项目的App.config文件中添加以下配置，强制所有引用统一使用4.1.3.0版本的System.Numerics.Vectors：

<runtime>
  <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
    <dependentAssembly>
      <assemblyIdentity name="System.Numerics.Vectors" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
      <bindingRedirect oldVersion="0.0.0.0-4.1.3.0" newVersion="4.1.3.0" />
    </dependentAssembly>
  </assemblyBinding>
</runtime>

如果是Android项目，需确保配置文件被正确包含到项目中，或直接编辑.csproj文件添加相关配置。

2. 手动安装指定版本的NuGet包 #

右键项目 → 选择「管理NuGet程序包」，搜索System.Numerics.Vectors，安装4.1.3.0版本，确保项目直接引用该版本，覆盖系统默认的2.0.5.0引用。

3. 调整项目文件中的引用优先级 #

编辑项目的.csproj文件，移除旧的系统引用条目，保留NuGet包的引用：

<!-- 保留这行NuGet引用 -->
<PackageReference Include="System.Numerics.Vectors" Version="4.1.3.0" />

<!-- 删除类似这样的系统引用 -->
<!-- <Reference Include="System.Numerics.Vectors, Version=2.0.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
  <HintPath>C:\Program Files\Microsoft Visual Studio\2022\Community\Common7\IDE\ReferenceAssemblies\Microsoft\Framework\MonoAndroid\v1.0\System.Numerics.Vectors.dll</HintPath>
</Reference> -->

4. 清理重建项目 #

• 右键项目 → 选择「清理」
• 删除项目目录下的bin和obj文件夹
• 重新生成项目，确保所有引用重新加载

内容的提问来源于stack exchange，提问作者ViDanMaster