Fingerprint Readers
Windows supports fingerprint authentication for sign in, buying content from the Windows Store, and more. Once a user configures this feature for recognizing his or her fingerprint, universal apps can leverage the same authentication mechanism for custom purposes. It is exposed in a UserConsentVerifier class in the Windows.Security.Credentials.UI namespace.
UserConsentVerifier has two static methods:
→ CheckAvailabilityAsync—Checks whether a fingerprint reader exists, and if it is configured, enabled, and ready to be used.
→ RequestVerificationAsync—Asks the user for his or her fingerprint, along with a message you pass as a string parameter.
If fingerprint authentication can be done, CheckAvailability returns UserConsentVerifierAvailability.Available ...
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