ChartTypePoint.isYStacked100 Property
Gets or sets a value indicating whether this chart type stacks data points of different series at the same X axis position
on top of previous series as percentages of the stack total. This value only has an effect if isYStacked returns true.
Property Value
Type: Boolean
Value may be null.
True if series are stacked as percentages of the total, otherwise false. Set to
null for the default behavior of the chart type.