Pen​.HistorySource

The Pen.HistorySource property is a read-only string property that gets the history source of the currently selected pen. For more information about the HistorySources properties, see "Trend Client History Sources".

Note: This value is empty when no historical source is configured, if an expression is configured, or if no historical tag is configured.

Syntax

Result = Pen.HistorySource;

Remarks

The default is blank.