Gets or sets the numeric identifier of the data source for the HistorianID.


SourceID is used for the determination of "global time" when that client option is in effect.
When "global time" is in effect, the historian returns the current data time for a HistorianID
based on the latest time received for all HistorianIDs with the same SourceID.

Exception | Condition |
---|---|
ArgumentException | The value being assigned is not positive or zero. |