Directory.Build.targets

<Project>
  
  <!-- Recursively import the Directory.Build.targets file from the parent folder if it exists. -->
  <PropertyGroup>
    <ParentProject>$([MSBuild]::GetPathOfFileAbove('$(MSBuildThisFile)', '$(MSBuildThisFileDirectory)../'))</ParentProject>
  </PropertyGroup>
  <Import Project="$(ParentProject)" Condition=" '$(ParentProject)' != '' " /> 

  <!-- Opt in to .NET analyzer package references by default. Projects in the 
       samples and test folders are pre-configured to opt out. -->
  <PropertyGroup>
    <IncludeDevelopmentPackages Condition=" '$(IncludeDevelopmentPackages)' == '' ">true</IncludeDevelopmentPackages>
  </PropertyGroup>

  <ItemGroup Condition=" '$(IncludeDevelopmentPackages)' == 'true' ">
    <!-- .NET Analyzers NuGet Package -->
    <PackageReference Remove="Microsoft.CodeAnalysis.NetAnalyzers" />
    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="$(MicrosoftCodeAnalysisNetAnalyzersVersion)">
      <PrivateAssets>all</PrivateAssets>
      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
    </PackageReference>
  </ItemGroup>

  <!-- .NET Framework targeting support (required to allow compilation against .NET Framework in 
       non-Windows environments). -->
  <Import Project=".\build\NetFX.targets" />

  <!-- Extension point to allow Continuous Integration systems to inject their own configuration. -->
  <Import Project="CI.targets" Condition="Exists('CI.targets')" />

</Project>