System.Object
   C1.iOS.Chart.ChartAxis
   C1.iOS.Chart.ChartDataPoint
   C1.iOS.Chart.ChartHitTestInfo
   C1.iOS.Chart.ChartOptions
   C1.iOS.Chart.ChartPlotElement
   C1.iOS.Chart.ChartSeries
      C1.iOS.Chart.Histogram
      C1.iOS.Chart.TestSeries
   C1.iOS.Chart.ChartStyle
   C1.iOS.Chart.ChartTooltipLoadingEventArgs
   C1.iOS.Chart.DataLabelBase
      C1.iOS.Chart.ChartDataLabel
      C1.iOS.Chart.PieDataLabel
   C1.iOS.Chart.DataLabelLoadingEventArgs
   C1.iOS.Chart.DependencyPropertyChangedEventArgs
   C1.iOS.Chart.ElementSize
   Foundation.NSObject
      UIKit.UIResponder
         UIKit.UIView
            C1.iOS.Chart.ChartBase
               C1.iOS.Chart.C1TreeMap
               C1.iOS.Chart.FlexChart
               C1.iOS.Chart.FlexPie
                  C1.iOS.Chart.C1Sunburst
            UIKit.UILabel
               C1.iOS.Chart.ChartTooltip
   System.EventArgs
      C1.iOS.Chart.SeriesEventArgs
      System.ComponentModel.CancelEventArgs
         C1.iOS.Chart.BaseRenderEventArgs
            C1.iOS.Chart.AxisLabelLoadingEventArgs
            C1.iOS.Chart.RenderEventArgs
            C1.iOS.Chart.RenderNodeEventArgs
            C1.iOS.Chart.SymbolEventArgs

Reference

C1.iOS.Chart Assembly