![](dotnetdiagramimages/C1_Web_Wijmo_Controls_45_C1_Web_Wijmo_Controls_C1GridView_C1GridViewColumnGroupEventArgs.png)
'Declaration Public Class C1GridViewColumnGroupEventArgs Inherits System.ComponentModel.CancelEventArgs
public class C1GridViewColumnGroupEventArgs : System.ComponentModel.CancelEventArgs
System.Object
System.EventArgs
System.ComponentModel.CancelEventArgs
C1.Web.Wijmo.Controls.C1GridView.C1GridViewColumnGroupEventArgs