dotnet-installer/TestAssets/TestPackages/dotnet-desktop-and-portable/dotnet-desktop-and-portable.csproj

<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), testAsset.props))\testAsset.props" />

  <PropertyGroup>
    <VersionPrefix>1.0.0-rc</VersionPrefix>
    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
    <AssemblyName>dotnet-desktop-and-portable</AssemblyName>
    <OutputType>Exe</OutputType>
    <RuntimeIdentifiers>win7-x64;win7-x86</RuntimeIdentifiers>
  </PropertyGroup>

  <PropertyGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
    <RuntimeFrameworkVersion>1.1.1</RuntimeFrameworkVersion>
  </PropertyGroup>

  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
    <Reference Include="System" />
    <Reference Include="Microsoft.CSharp" />
  </ItemGroup>
</Project>