隐藏磁盘驱动器、判断磁盘驱动器类型、启动光驱的自动播放功能、指定程序播放CD、关闭和打开光驱、系统内存的使用情况-Hide disk drives, to determine the type of disk drives, CD-ROM to start the Auto Play function, the specified procedure to play CD, shut down and open the drive, system memory usage