PIBIO_SENSOR_PIPELINE_INIT_FN callback function (winbio_adapter.h)

Called by the Windows Biometric Framework to give the Sensor Adapter the chance to perform any initialization that remains incomplete, and which requires help from the Engine or Storage adapter components.



HRESULT PibioSensorPipelineInitFn(
  [in, out] PWINBIO_PIPELINE Pipeline


[in, out] Pipeline

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

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.

Return code Description
Any error code will cause the Biometric Service to log the error and abort the configuration of the biometric unit.


The Sensor Adapter should return S_OK if it doesn’t need to perform any initialization at this point.

When this routine is called, the EngineAdapterAttach, StorageAdapterAttach, EngineAdapterPipelineInit, and StorageAdapterPipelineInit routines have completed normally.

This method executes in the context of an arbitrary RPC server thread.


Minimum supported client Windows 10 [desktop apps only]
Minimum supported server Windows Server 2016 [desktop apps only]
Target Platform Windows
Header winbio_adapter.h (include Winbio_adapter.h)