Convert from pdf to dxf with leadtools

See more:

MFC

C++14

I searched in internet but I've found only code written in c#, is there in c++?

What I have tried:

if I use c# I have this error:

An unhandled exception of type 'System.BadImageFormatException' occurred in ConsoleApplication1.exe

Additional information: Non è stato possibile caricare il file o l'assembly 'Leadtools, Version=20.0.4.0, Culture=neutral, PublicKeyToken=9cf889f53ea9b907' o una delle relative dipendenze. Tentativo di caricare un programma con un formato non corretto.

in this:
HOWTO: Load PDF as SVG then save to DXF[^]