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ArchiveFileReadData(Int32, TimeTag, TimeTag, Boolean) Method

Reads ArchiveDataPoints from the ArchiveFile.

Namespace: GSF.Historian.Files
Assembly: GSF.Historian (in GSF.Historian.dll) Version: 2.4.239-beta
Syntax
public IEnumerable<IDataPoint> ReadData(
	int historianID,
	TimeTag startTime,
	TimeTag endTime,
	bool timeSorted = true
)
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Parameters

historianID  Int32
Historian identifier for which ArchiveDataPoints are to be retrieved.
startTime  TimeTag
Start TimeTag (in UTC) for the ArchiveDataPoints to be retrieved.
endTime  TimeTag
End TimeTag (in UTC) for the ArchiveDataPoints to be retrieved.
timeSorted  Boolean  (Optional)
Indicates whether the data retrieved from the archive should be time sorted.

Return Value

IEnumerableIDataPoint
IEnumerableT object containing zero or more ArchiveDataPoints.
Remarks
Data is always read from startTime to endTime. If startTime is greater than endTime, query data will be read from the archive in reverse time order.
See Also