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序号：17803 发表者：TaShin 发表日期：2002-10-15 17:40:11
<br>主题：我有2个光驱，如何用编程实现关闭指定的光驱呢？
<br>内容：&nbsp;&nbsp; 如果我只想关闭其中指定的一个，如何实现？谢谢
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回复者：dr0 回复日期：2002-10-15 20:04:13
<br>内容：a guess:<BR>assume the cdrom u want to close is the first one(whose dosdevice name is&nbsp;&nbsp;cdrom0,the second is cdrom1, etc)<BR><BR>1: CreateFile("\\.\cdrom0" ) to get its handle.<BR>2: use DeviceIoControl(IOCTL_STORAGE_LOAD_MEDIA&nbsp;&nbsp;) to close it.<BR>3: u should have Admin privilege<BR>4: if u can close it, call CloseHandle(hCDROM)<BR><BR>2002-10-15 20:04:56