关于waveOutOpen() 的用法问题我在用MFC 编程,当我用到语句:waveOutOpen(&hWaveOut,WAVE_MAPPER,&waveFormatEx,(unsigned long)waveOutProc,0L,CALLBACK_FUNCTION) 编译后却得到: error C2440: 'type cast' : cannot convert from 'void (__stdcall CExchange::*)(struct HWAVEOUT__ *,unsigned int,unsigned...