如何判断某个驱动器是光驱(100分)

請問如何哪一個驅動器時光驅？謝謝

GetDriverType()
返回值 含义
0 The drive type cannot be determined.
1 The root directorydo
es not exist.
DRIVE_REMOVABLE The drive can be removed from the drive.
DRIVE_FIXED The disk cannot be removed from the drive.
DRIVE_REMOTE The drive is a remote (network) drive.
DRIVE_CDROM The drive is a CD-ROM drive.
DRIVE_RAMDISK The drive is a RAM disk.
如GetDriverType('c:/');

多谢了！yangkee，你的回答我很满意！我找这个问题已经很长时间了。