CodePudding user response:
64 - bit host (program) can only load 64 bit DLL,If you must use a 32-bit OpcDaNet. DLL, so to write to load a 32-bit auxiliary program,
If the main program must be 64, 64 of the main program and 32-bit auxiliary process to do interprocess communications,
CodePudding user response:
Forced to compile your main program for 32-bit