System.Object
   C1.Xamarin.Forms.Core.AsyncEventArgsDeferral
   C1.Xamarin.Forms.Core.AsyncEventArgsDeferralsAwaiter
   C1.Xamarin.Forms.Core.C1Easing
   C1.Xamarin.Forms.Core.C1Font
   C1.Xamarin.Forms.Core.C1IconTemplate
   C1.Xamarin.Forms.Core.C1ThemeInfo
   C1.Xamarin.Forms.Core.LicenseManager
   C1.Xamarin.Forms.Core.LicenseManager.GCDTLicense
   C1.Xamarin.Forms.Core.LicenseManager.GCDTLicenses
   C1.Xamarin.Forms.Core.ViewEx
   System.EventArgs
      C1.Xamarin.Forms.Core.AsyncEventArgs
      C1.Xamarin.Forms.Core.C1InputEventArgs
         C1.Xamarin.Forms.Core.C1TappedEventArgs
      C1.Xamarin.Forms.Core.KeyEventArgs
   Xamarin.Forms.BindableObject
      C1.Xamarin.Forms.Core.C1Animation
      Xamarin.Forms.Element
         Xamarin.Forms.NavigableElement
            Xamarin.Forms.VisualElement
               Xamarin.Forms.View
                  C1.Xamarin.Forms.Core.C1Border
                  C1.Xamarin.Forms.Core.C1CheckBox
                  C1.Xamarin.Forms.Core.C1Icon
                     C1.Xamarin.Forms.Core.C1BitmapIcon
                     C1.Xamarin.Forms.Core.C1CompositeIcon
                     C1.Xamarin.Forms.Core.C1FontIcon
                     C1.Xamarin.Forms.Core.C1SymbolIcon
                     C1.Xamarin.Forms.Core.C1VectorIcon
                        C1.Xamarin.Forms.Core.C1PathIcon
                        C1.Xamarin.Forms.Core.C1PolygonIcon
                  C1.Xamarin.Forms.Core.C1ToggleButton
                  Xamarin.Forms.ActivityIndicator
                     C1.Xamarin.Forms.Core.C1ActivityIndicator
   Xamarin.Forms.TypeConverter
      C1.Xamarin.Forms.Core.C1DoubleCollectionTypeConverter
      C1.Xamarin.Forms.Core.C1LayoutOptionsConverter
      C1.Xamarin.Forms.Core.C1PointArrayTypeConverter
      C1.Xamarin.Forms.Core.C1TimeSpanTypeConverter

Reference

C1.Xamarin.Forms.Core Assembly