Unable to find type or namespace of imported DLL

Question

I downloaded the \"smilenet-1.2.1-win64-academic\" library from this page and imported the smileNET.dll in my Unity project. Then I restarted my visual studio, and when I tried

Answer 1

I download the dll, unfortunately this is a mixed assembly, see the picture, which is not supported by Unity.

Then some workaround can be:

• Build and use native plugins

• Create another C# program using smileNET.dll and communicate with Unity program.