DevExpress gridView列标题右键菜单管理

private void gridView1_PopupMenuShowing(object sender, DevExpress.XtraGrid.Views.Grid.PopupMenuShowingEventArgs e)
        {
            if (e.MenuType == DevExpress.XtraGrid.Views.Grid.GridMenuType.Column)//判断是否是列标题的右键菜单
            {
                GridViewColumnMenu menu = e.Menu as GridViewColumnMenu;
                menu.Items.RemoveAt(6);//移除右键菜单中的第7个功能，从0开始
                //menu.Items.Clear()清除所有功能
                //Items.Add(参数，参数，参数)添加功能
            }
        }