crossplat-test.win.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp3.1</TargetFramework>
    <RootNamespace>crossplat_test</RootNamespace>
    <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
  </PropertyGroup>

  <ItemGroup>
    <Compile Include="**\*.cs" Exclude="Platform*\**\*.*;obj\**\*.*" />
    <Compile Include="PlatformWin\**\*.cs" />
  </ItemGroup>

</Project>