How to enumerate all certificates on a smart card (PowerShell)

Some time ago I assisted my colleague Jeff Bowles with the development of a PowerShell script which enumerates all certificates on a smart card. Basically the replacement to CAPICOM.Store.Open CAPICOM_SMART_CARD_USER_STORE. He developed a sample that returns a System.Security.Cryptography.X509Certificates.X509Store object with the certificates in the card. The sample tries to emulate what