//一、打开CD-ROMmciSendString("Set cdAudio door open wait",NULL,0,NULL);//二、关闭CD_ROMmciSendString("Set cdAudio door closed wait",NULL,0,NULL);//三、关闭计算机OSVERSIONINFO OsVersionInfo; //包含操作系统版本信息的数据结构OsVersi
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