PIBIO_STORAGE_FIRST_RECORD_FN callback function (winbio_adapter.h)

Called by the Windows Biometric Framework or by an engine adapter to position the result set cursor on the first record in the set.

Syntax

PIBIO_STORAGE_FIRST_RECORD_FN PibioStorageFirstRecordFn;

HRESULT PibioStorageFirstRecordFn(
  PWINBIO_PIPELINE Pipeline
)
{...}

Parameters

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 is NULL.
WINBIO_E_DATABASE_NO_RESULTS
There are no records in the result set.
WINBIO_E_INVALID_DEVICE_STATE
The StorageContext member of the pipeline object is NULL or the FileHandle member is not valid.

Requirements

   
Minimum supported client Windows 7 [desktop apps only]
Minimum supported server Windows Server 2008 R2 [desktop apps only]
Target Platform Windows
Header winbio_adapter.h (include Winbio_adapter.h)

See also

Plug-in Functions

StorageAdapterGetCurrentRecord

StorageAdapterNextRecord