PIBIO_STORAGE_ERASE_DATABASE_FN callback function (winbio_adapter.h)
Called by the Windows Biometric Framework to erase the database and mark it for deletion.
Syntax
PIBIO_STORAGE_ERASE_DATABASE_FN PibioStorageEraseDatabaseFn;
HRESULT PibioStorageEraseDatabaseFn(
[in, out] PWINBIO_PIPELINE Pipeline,
[in] PWINBIO_UUID DatabaseId,
[in] LPCWSTR FilePath,
[in] LPCWSTR ConnectString
)
{...}
Parameters
[in, out] Pipeline
Pointer to the WINBIO_PIPELINE structure associated with the biometric unit performing the operation.
[in] DatabaseId
A pointer to a GUID that uniquely identifies the database. This is the same GUID used to register the database in the registry.
[in] FilePath
Pointer to a NULL-terminated UNICODE string that contains the fully qualified file path for the database.
[in] ConnectString
A pointer to a NULL-terminated UNICODE connection string for the database.
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 |
---|---|
|
A mandatory pointer argument is NULL. |
|
The DatabaseId parameter is not the same as the one used when creating the database. |
|
The specified database cannot be found. |
|
The StorageContext member of the pipeline object is NULL. |
Requirements
Requirement | Value |
---|---|
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) |