Hello, I'm encountering a problem with creating/using a dll built with MinGW-w64 for 64 bit Windows, and I hope somebody can help me. A method that works is to place (within the .h file) in front of every item exported from the dll the text __declspec(dllexport) when creating the dll and __declspec(dllimport) when using the dll. Apart from that one should use the following gcc call to generate the dll, gcc -o<lib nm=""> *.o <-L and -l params> -shared -s -Wl,--subsystem,windows,--out-implib,lib<lib...