Represents a 100% stacked area chart. To render this chart, create an instance of this class and add it to Series collection property and set the required properties.
public class SFStackingArea100Series : SFStackingAreaSeries
SFStackingArea100Series requires ItemsSource, XBindingPath and
YBindingPath properties to be set to render the chart. This series also requires x-axis
and y-axis to be explicitly set either using PrimaryAxis and
SecondaryAxis or XAxis and YAxis.