'Declaration Public Property UpperExtent As System.Double
public System.double UpperExtent {get; set;}
Typically, the UpperExtent is the larger Y value in data coordinates that the ChartAlarmZone extends. If the UpperExtent and LowerExtent are both zero, then both are assumed to be the Max and Min values of the Y-axis, respectively.
'Declaration Public Property UpperExtent As System.Double
public System.double UpperExtent {get; set;}