Directory.Build.targets

<Project>

  <Import Project="$(BuildToolsDirectory)Windows.Toolkit.Common.targets" />

  <PropertyGroup>
    <UseUWP Condition="($(TargetFramework.StartsWith('uap10.0')) or '$(TargetFramework)' == 'net461')">true</UseUWP>
    <UseUWP Condition="'$(UseUWP)' == ''">false</UseUWP>
  </PropertyGroup>

  <Choose>
    <When Condition="!($(TargetFramework.StartsWith('uap10.0')) or '$(TargetFramework)' == 'native' or $(IsSampleProject))">
      <PropertyGroup>
        <SignAssembly>true</SignAssembly>
        <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)toolkit.snk</AssemblyOriginatorKeyFile>
      </PropertyGroup>
    </When>
  </Choose>

  <Import Project="$(BuildToolsDirectory)Windows.Toolkit.UWP.Build.targets" Condition="$(UseUWP)" />

  <Import Project="$(BuildToolsDirectory)Windows.Toolkit.Workarounds.Xaml.targets" Condition="$(IsCoreProject)" />

  <Target Name="AddCommitHashToAssemblyAttributes" BeforeTargets="GetAssemblyAttributes">
    <ItemGroup>
      <AssemblyAttribute Include="System.Reflection.AssemblyMetadataAttribute" Condition="'$(SourceRevisionId)' != ''">
        <_Parameter1>CommitHash</_Parameter1>
        <_Parameter2>$(SourceRevisionId)</_Parameter2>
      </AssemblyAttribute>
    </ItemGroup>
  </Target>

</Project>