How to dismount all volumes on a physical drive?

stanmuffin@hotmail.com

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3rd Feb 2006

I'm working on a utility that will restore a disk image to a physical
drive. How can I dismount all volumes on the drive beforehand to
prevent old cache information from corrupting the drive?
FSCTL_DISMOUNT_VOLUME will dismount a volume, but how can I get a list
of the volumes on the physical drive?
IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS looks cumbersome but usable--but
it requires Windows XP and I need to run on Windows 2000 as well.

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