Windows Login Integration

I am building facial recognition software for a certain purpose, however, as a spin-off i would like to use that same software / concept, to automati开发者_JS百科cally recognize me when i sit in front of the PC, and log me in.

recognition is handled.. however, i need to incorporate this into windows, the same way fingerprint logins work.

where can i go to get some more info on the doing this?

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If you're targeting Vista/Win7, see Create Custom Login Experiences With Credential Providers For Windows Vista

For XP and earlier, see Customizing GINA, Part 1 and Part 2