• NativeLibrary - Standard 2.0
• DLLCuser - CLang
• DLLUser - c++

Compiled by CoreRT IL compiler(AOT).

x64 Native Tools Command Prompt for VS 2019 commands:

• dotnet publish /p:NativeLib=Static -r win-x64 -c release - Статическая либа .lib win-x64 ONLY
• dotnet publish /p:NativeLib=Shared -r win-x64 -c release - Динамическая либа .dll win-x64 ONLY

В случае проблем с LoadLibrary - Проверить путь к DLL:

• '\' Only
• Set Character set = MultiByte
• Compile only under x64 machine

Opt. https://github.com/dotnet/corert/blob/master/Documentation/using-corert/optimizing-corert.md