'Declaration Public Property LowerExtent As System.Double
public System.double LowerExtent {get; set;}
Typically, the LowerExtent is the smaller 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 LowerExtent As System.Double
public System.double LowerExtent {get; set;}