True NuGet $(MSBuildThisFileDirectory)project.assets.json $(UserProfile)\.nuget\packages\ C:\Users\Chen\.nuget\packages\;D:\Software\IDE\VisualStudio\Shared\NuGetPackages PackageReference 6.7.0 C:\Users\Chen\.nuget\packages\microsoft.xaml.behaviors.wpf\1.1.39 C:\Users\Chen\.nuget\packages\materialdesignthemes\4.9.0