删除网格视图选项

如何删除“显示分组依据框”和“删除此列”GridView菜单？当我去参加活动时，没有 ShowGridMenu 事件，所以对我不起作用...

Use the GridView.PopupMenuShowing http://documentation.devexpress.com/#WindowsForms/DevExpressXtraGridViewsGridGridView_PopupMenuShowingtopic为此目的而举办的活动。

private void gridView1_PopupMenuShowing(object sender, DevExpress.XtraGrid.Views.Grid.PopupMenuShowingEventArgs e) {
            if(e.MenuType == GridMenuType.Column) 
                RemoveItem(e.Menu, GridLocalizer.Active.GetLocalizedString(GridStringId.MenuColumnRemoveColumn));
            else
                if(e.MenuType == GridMenuType.Group) 
                    RemoveItem(e.Menu, GridLocalizer.Active.GetLocalizedString(GridStringId.MenuGroupPanelShow));
        }

        private void RemoveItem(GridViewMenu menu, string caption) { 
            for(int i = 0; i < menu.Items.Count; i ++)
                if(menu.Items[i].Caption == caption) {
                    menu.Items.RemoveAt(i);
                    break;
                }
        }