VisualStudio workaround "Using declaration" is not available in C# 7.3. Please use language version 8.0 or higher

Others 2023-08-26 19:21:04 views: null

1. Open the projectName.csproj file in the project

2. Just add the content

  <PropertyGroup>
    <LangVersion>preview</LangVersion>
  </PropertyGroup>

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Origin blog.csdn.net/smile_otl/article/details/131789030

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