System.Object
   C1.Win.Layout.DashboardCollection
   C1.Win.Layout.DashboardItem
   C1.Win.Layout.DashboardOptions
   C1.Win.Layout.FlowLayout
   C1.Win.Layout.GridLayout
   C1.Win.Layout.ItemContainerProperties
   C1.Win.Layout.SplitLayout
   System.EventArgs
      C1.Win.Layout.ItemContainerActionEventArgs
      System.Windows.Forms.PaintEventArgs
         C1.Win.Layout.HeaderPaintEventArgs
   System.MarshalByRefObject
      System.ComponentModel.Component
         System.Windows.Forms.Control
            C1.Win.Layout.C1DashboardLayout
            System.Windows.Forms.ButtonBase
               System.Windows.Forms.Button
                  C1.Win.Layout.IconBox

Reference

C1.Win.DashboardLayout.4.8 Assembly