Looking for a long time finally found how to access the hard disk serial number of ways, in order to avoid taking a little less peer detour, it will upload source code for all to see.

Dephi
.....\DiskSerial.dcu
.....\DiskSerial.dll
.....\DiskSerial.ICO
.....\DiskSerial.pas
.....\dsc.dcu
.....\dsc.dfm
.....\dsc.pas
.....\HardDisk.cfg
.....\HardDisk.dof
.....\HardDisk.dpr
.....\HardDisk.res

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