targets.props

<Project>
  <!-- Uncomment to suppress warning that .NET Core 2.1 is used with .NET 6 library. -->
  <!--
  <PropertyGroup>
    <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
  </PropertyGroup>
  -->
  <Choose>
    <!-- Note: .NET Core 2.x is end of life, removed netcoreapp2.1 from any target. -->
    <!-- Visual Studio 2022, supports .NET Framework 4.6.2, .NET Core 3.1 and .NET 6 -->
    <When  Condition="'$(VisualStudioVersion)' == '17.0'">
      <PropertyGroup>
        <AppTargetFrameworks>net6.0;netcoreapp3.1;net462</AppTargetFrameworks>
        <AppTargetFramework>net6.0</AppTargetFramework>
        <TestsTargetFrameworks>net462;netcoreapp3.1;net6.0</TestsTargetFrameworks>
        <LibTargetFrameworks>net462;netstandard2.0;netstandard2.1;net6.0</LibTargetFrameworks>
        <LibxTargetFrameworks>net462;netstandard2.1;net6.0</LibxTargetFrameworks>
        <HttpsTargetFrameworks>net462;netstandard2.0;netcoreapp3.1;net6.0</HttpsTargetFrameworks>
      </PropertyGroup>
    </When>
    <!-- Visual Studio 2019, supports .NET Framework 4.6.2 and .NET Core 3.1 -->
    <When  Condition="'$(VisualStudioVersion)' == '16.0'">
      <PropertyGroup>
        <AppTargetFrameworks>netcoreapp3.1;net462</AppTargetFrameworks>
        <AppTargetFramework>netcoreapp3.1</AppTargetFramework>
        <TestsTargetFrameworks>net462;netcoreapp3.1</TestsTargetFrameworks>
        <LibTargetFrameworks>net462;netstandard2.0;netstandard2.1</LibTargetFrameworks>
        <LibxTargetFrameworks>net462;netstandard2.1</LibxTargetFrameworks>
        <HttpsTargetFrameworks>net462;netstandard2.0;netcoreapp3.1</HttpsTargetFrameworks>
      </PropertyGroup>
    </When>
    <!-- Visual Studio 2017 and earlier, support only .NET Framework 4.6.2 because .NET Core 2.x is end of life. -->
    <Otherwise>
      <PropertyGroup>
        <AppTargetFrameworks>net462</AppTargetFrameworks>
        <AppTargetFramework>net462</AppTargetFramework>
        <TestsTargetFrameworks>net462</TestsTargetFrameworks>
        <LibTargetFrameworks>net462</LibTargetFrameworks>
        <LibxTargetFrameworks>net462</LibxTargetFrameworks>
        <HttpsTargetFrameworks>net462</HttpsTargetFrameworks>
      </PropertyGroup>
    </Otherwise>
  </Choose>
</Project>