System.Object
   System.Collections.ArrayList
      Xceed.Chart.Utilities.TypedArrayList
         Xceed.Chart.GraphicsCore.AdvancedGradientPointArray
         Xceed.Chart.Utilities.RebindableArrayList
            Xceed.Chart.GraphicsCore.ImageFiltersCollection
            Xceed.Chart.GraphicsCore.InteractivityOperationsCollectionBase
   System.EventArgs
      Xceed.Chart.GraphicsCore.DragEventArgs
   System.ValueType
      Xceed.Chart.GraphicsCore.Vector
      Xceed.Chart.GraphicsCore.Vector2D
      Xceed.Chart.GraphicsCore.Vector4D
   Xceed.Chart.GraphicsCore.AdvancedGradientPoint
   Xceed.Chart.GraphicsCore.BackgroundBase
   Xceed.Chart.GraphicsCore.FillEffectBase
   Xceed.Chart.GraphicsCore.FillEffectMapping
   Xceed.Chart.GraphicsCore.Filter
      Xceed.Chart.GraphicsCore.BevelAndEmbossFilter
      Xceed.Chart.GraphicsCore.BlurFilter
      Xceed.Chart.GraphicsCore.GlowFilter
      Xceed.Chart.GraphicsCore.LightingFilter
   Xceed.Chart.GraphicsCore.Frame
      Xceed.Chart.GraphicsCore.ImageFrameBase
      Xceed.Chart.GraphicsCore.StandardFrameBase
   Xceed.Chart.GraphicsCore.ImageDescription
      Xceed.Chart.GraphicsCore.BitmapDescription
      Xceed.Chart.GraphicsCore.GIFDescription
      Xceed.Chart.GraphicsCore.JPEGDescription
      Xceed.Chart.GraphicsCore.PNGDescription
      Xceed.Chart.GraphicsCore.TIFFDescription
   Xceed.Chart.GraphicsCore.InteractivityOperation
      Xceed.Chart.GraphicsCore.CursorChangeInteractivityOperation
      Xceed.Chart.GraphicsCore.DragOperation
         Xceed.Chart.GraphicsCore.OffsetDragOperation
         Xceed.Chart.GraphicsCore.TrackballDragOperation
         Xceed.Chart.GraphicsCore.ZoomDragOperation
      Xceed.Chart.GraphicsCore.TooltipInteractivityOperation
   Xceed.Chart.GraphicsCore.LightModelBase
   Xceed.Chart.GraphicsCore.LightSourceBase
   Xceed.Chart.GraphicsCore.LinePropertiesBase
   Xceed.Chart.GraphicsCore.ShadowBase
   Xceed.Chart.GraphicsCore.TextBase
   Xceed.Chart.GraphicsCore.ViewBase

Reference

Xceed.Chart.GraphicsCore.v4.4 Assembly