Return True if chartType is one of Area subTypes. SubTypes set corresponds to the appropriate set in PowerPoint (see "Change Chart Type" dialog in PowerPoint): ChartType::Area, ChartType::PercentsStackedArea, ChartType::PercentsStackedArea3D, ChartType::StackedArea, ChartType::StackedArea3D, ChartType::Area3D....ea(ChartType) method Return true if chartType is one of Area...PowerPoint (see "Change Chart Type" dialog in PowerPoint): ChartType::Area...