-Each Adapter sample contains a well-known interface-discovery function, whose job is to return the address of a function dispatch table. When the WinBio Service loads an Adapter plug-in, it uses the interface-discovery function to locate the dispatch table, and then calls various methods in the table to communicate with the biometric device. The purpose, arguments, and return codes of each Adapter method are described in the WinBio Service programming guidelines. More information on adapter plug-ins is available at [WBDI Plug-in Reference](https://docs.microsoft.com/windows/desktop/SecBioMet/plug-in-reference).
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