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WINBIO_BIOMETRIC_SUBTYPE Constants

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WINBIO_BIOMETRIC_SUBTYPE constants are used throughout the Windows Biometric Framework to provide additional information about a biometric measurement. The following constants can be used when no subtype is required or when any subtype is required.

Constant/value Description
WINBIO_SUBTYPE_NO_INFORMATION
0x00
 No subtype information.
WINBIO_SUBTYPE_ANY
0xFF
 Any subtype.

Remarks

To find the available biometric subtypes for a particular biometric type, use the following table:

WINBIO_BIOMETRIC_TYPE value Topic(s) to find WINBIO_BIOMETRIC_SUBTYPE values
WINBIO_TYPE_FACIAL_FEATURES WINBIO_ANSI_385_FACE Constants

Note:
These values apply only for Windows 10 and later.
WINBIO_TYPE_FINGERPRINT One of the following topics:
WINBIO_TYPE_IRIS WINBIO_IRIS Constants

Note:
These values apply only for Windows 10 and later.
WINBIO_TYPE_VOICE WINBIO_VOICE Constants

Note:
These values apply only for Windows 10 and later.

For more information, see Client Application Constants.

Requirements

Requirement Value
Minimum supported client
 Windows 7 [desktop apps only]
Minimum supported server
 Windows Server 2008 R2 [desktop apps only]
Header
Winbio_types.h (include Winbio.h)