SampleTopshelfService.csproj

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFrameworks>net452;netcoreapp2.1</TargetFrameworks>
    <IsPackable>false</IsPackable>
    <RuntimeIdentifier>win10-x64</RuntimeIdentifier>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.1' ">
    <DefineConstants>$(DefineConstants);NETCORE</DefineConstants>
  </PropertyGroup>
  <ItemGroup>
    <PackageReference Include="Serilog" Version="2.10.0" />
    <PackageReference Include="Serilog.Sinks.ColoredConsole" Version="3.0.1" />
  </ItemGroup>
  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
    <Reference Include="System" />
    <Reference Include="System.Core" />
  </ItemGroup>
  <ItemGroup>
    <ProjectReference Include="..\Topshelf.Serilog\Topshelf.Serilog.csproj" />
    <ProjectReference Include="..\Topshelf\Topshelf.csproj" />
  </ItemGroup>
</Project>