True NuGet $(MSBuildThisFileDirectory)project.assets.json $(UserProfile)\.nuget\packages\ C:\Users\proto\.nuget\packages\;C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages PackageReference 6.1.0 C:\Users\proto\.nuget\packages\materialdesignthemes\4.5.0 C:\Users\proto\.nuget\packages\entityframework\6.4.4