SetupDiGetClassDevs的第二个参数应该怎么设?
SetupDiGetClassDevs(&guidHID,"DIGCF_DEVICEINTERFACE",0,DIGCF_DEVICEINTERFACE)写成这样提示无效参数,不加双引号提示:cannot convert parameter 2 from 'const int' to 'const char *'
Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast
请高手执教!