PIBIO_SENSOR_QUERY_EXTENDED_INFO_FN callback function (winbio_adapter.h)

Called by the Windows Biometric Framework to determine the capabilities and limitations of the biometric sensor component.

Syntax

PIBIO_SENSOR_QUERY_EXTENDED_INFO_FN PibioSensorQueryExtendedInfoFn;

HRESULT PibioSensorQueryExtendedInfoFn(
  [in, out] PWINBIO_PIPELINE Pipeline,
  [out]     PWINBIO_EXTENDED_SENSOR_INFO SensorInfo,
  [in]      SIZE_T SensorInfoSize
)
{...}

Parameters

[in, out] Pipeline

Pointer to the WINBIO_PIPELINE structure associated with the biometric unit performing the operation.

[out] SensorInfo

Pointer to the WINBIO_EXTENDED_SENSOR_INFO structure that contains the sensor information returned by this function.

[in] SensorInfoSize

The specified size of the sensor information.

Return value

If the function succeeds, it returns S_OK. If the function fails, it must return one of the following HRESULT values to indicate the error.

Remarks

This method is called once during configuration of the biometric unit.

It will also be called if a client application uses the WinBioGetProperty function to query the value of the WINBIO_PROPERTY_EXTENDED_SENSOR_INFO property.

Requirements