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PIBIO_STORAGE_DEACTIVATE_FN callback function (winbio_adapter.h)

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Called by the Windows Biometric Framework to give the Storage Adapter the chance to perform any work needed to put the storage component into an idle state.

Syntax

PIBIO_STORAGE_DEACTIVATE_FN PibioStorageDeactivateFn;

HRESULT PibioStorageDeactivateFn(
  [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 when the last client using this biometric unit has closed its session handle.

This method executes in the context of the same thread that activated the biometric unit and that processed all other requests for the unit.

Requirements

Requirement Value
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)