Eject and Close CD/DVD Devices IN C#

Question

Possible Duplicate:
Programatically ejecting and retracting the CD drive in vb.net or c#

I want to Eject and Close Multiple DVD or CD Devices on a pc using c#. I also would like to detect which are IDE, SATA and SCSI

Answer 1

To open or close CD

http://www.dreamincode.net/code/snippet1692.htm

Answer 2

See IOCTL_CDROM_LOAD_MEDIA.