Thanks for the various samples of the sample21.
There is only the VC one who works with windows 10.
I finally found the SOIL library who need to be compiled in 32 or 64 bits.
https://github.com/paralin/soilI try to compile the VC sample21 with Visual studio 2019,but it is not win.
The 32 bits versions as worked and changed of idea a little time after.
The 64 bits need the 64 bits SOIL library with numerous constants switch to define or not.