System.Object
   C1.Win.RulesManager.Model.BaseNotifyPropertyChanged
      C1.Win.RulesManager.CustomItemRange
      C1.Win.RulesManager.FieldRange
      C1.Win.RulesManager.GradientSettings
      C1.Win.RulesManager.ItemRange
      C1.Win.RulesManager.ItemStyle
      C1.Win.RulesManager.Rule
      C1.Win.RulesManager.ViewOptions
   System.EventArgs
      System.ComponentModel.CancelEventArgs
         C1.Win.RulesManager.BeforeTooltipShowEventArgs
   System.MarshalByRefObject
      System.ComponentModel.Component
         System.Windows.Forms.Control
            C1.Framework.XViewHost
               C1.Win.RulesManager.C1RulesManager
   System.ValueType
      C1.Win.RulesManager.GradientPoint

Reference

C1.Win.RulesManager.4.5.2 Assembly