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PIBIO_STORAGE_PIPELINE_CLEANUP_FN callback function (winbio_adapter.h)

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  • Tiempo de lectura: 2 minutos

Called by the Windows Biometric Framework to give the Storage Adapter the chance to perform any cleanup in preparation for closing the template database.

Syntax

PIBIO_STORAGE_PIPELINE_CLEANUP_FN PibioStoragePipelineCleanupFn;

HRESULT PibioStoragePipelineCleanupFn(
  [in, out] PWINBIO_PIPELINE Pipeline
)
{...}

Parameters

[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
E_POINTER
 The Pipeline parameter cannot be NULL.

Remarks

This method is called once, when a biometric unit is being torn down.

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

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

Requirements

   
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)