How to get the No. of a SATA disk?

[plato_w]

Hello dear,
a program for encryption, which gets the number of a IDE disk, can't get the one of a SATA disk. Now a customer uses the SATA disk, but I don't know how to read the number of a SATA disk. Who can help me? I would appreciate for your help.

[philkr]

You can get a serial number using GetVolumeInformation(). But I don't know if that is the number you mean.

[plato_w]

Thx. I want the unique serial number of the physical disk , not the volume number of the logical disk.

Who can save me?