WINBIO_BIOMETRIC_SUBTYPE Constants

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_ANSI_381_FORMAT Constants WINBIO_ANSI_381_IMG Constants WINBIO_ANSI_381_IMG_ACQ Constants WINBIO_ANSI_381_IMP_TYPE Constants WINBIO_ANSI_381_PIXELS Constants WINBIO_ANSI_381_POS Fingerprint Constants WINBIO_ANSI_381_POS_Palm Constants
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)