assets/samples/Samples/DirectionCalculation/CS/DirectionCalculation.csproj

<Project Sdk="">
  <PropertyGroup>
    <RootNamespace>Revit.Test.CSTemplate</RootNamespace>
  </PropertyGroup>
  <Import Project="$(SolutionDir)VSProps\SDKSamples.props" />
  <!--In this property group - override values from SDKSamples.props-->
  <PropertyGroup>
    <GenerateAssemblyInfo>true</GenerateAssemblyInfo>
    <AssemblyVersion>1.0.0.0</AssemblyVersion>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
  </PropertyGroup>
  <Import Project="$(SolutionDir)VSProps\SDKSamples.targets" />
  <PropertyGroup>
    <ResolveAssemblyWarnOrErrorOnTargetArchitectureMismatch>None</ResolveAssemblyWarnOrErrorOnTargetArchitectureMismatch>
  </PropertyGroup>
  <PropertyGroup>
    <PostBuildEvent>set FILEFORSAMPLEREG="$(SolutionDir)..\..\..\..\Regression\API\SDKSamples\UpdateSampleDllForRegression.py"
if exist %25FILEFORSAMPLEREG%25 py -3 %25FILEFORSAMPLEREG%25  "$(ProjectPath)" "$(TargetPath)" "$(SolutionDir)"</PostBuildEvent>
  </PropertyGroup>
</Project>