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ArchiveFileAllocationTableFindDataBlocks(Int32, Boolean, Boolean) Method
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Namespace: GSF.Historian.FilesAssembly: GSF.Historian (in GSF.Historian.dll) Version: 2.4.248-beta
Syntaxpublic IEnumerable<(ArchiveDataBlock dataBlock, bool isLast)> FindDataBlocks(
int historianID,
bool preRead = true,
bool reverseQuery = false
)
Public Function FindDataBlocks (
historianID As Integer,
Optional preRead As Boolean = true,
Optional reverseQuery As Boolean = false
) As IEnumerable(Of (dataBlock As ArchiveDataBlock, isLast As Boolean))
public:
IEnumerable<ValueTuple<ArchiveDataBlock^, bool>>^ FindDataBlocks(
int historianID,
bool preRead = true,
bool reverseQuery = false
)
member FindDataBlocks :
historianID : int *
?preRead : bool *
?reverseQuery : bool
(* Defaults:
let _preRead = defaultArg preRead true
let _reverseQuery = defaultArg reverseQuery false
*)
-> IEnumerable<ValueTuple<ArchiveDataBlock, bool>>
function FindDataBlocks(historianID, preRead, reverseQuery);
View SourceParameters
- historianID Int32
- Historian identifier.
- preRead Boolean (Optional)
- true to pre-read data to locate write cursor.
- reverseQuery Boolean (Optional)
- true to search backwards from the end of the file.
Return Value
IEnumerableValueTupleArchiveDataBlock,
BooleanA collection of
ArchiveDataBlocks.
See Also