How do I add Hardware Signatures into the Registration ID using KeyCheck API?

Please see the provided code example. And, find the comment "Option to show Hardware Signatures".

// Option to show Hardware Signatures
Kc.RegIDFormat = Ekc.KeyCheck.TRegIDFormat.fmtShowBIOSSig |Ekc.KeyCheck.TRegIDFormat.fmtShowCPUSig | Ekc.KeyCheck.TRegIDFormat.fmtShowEthernetSig | Ekc.KeyCheck.TRegIDFormat.fmtShowHDDSig;