/// <summary>        /// 选中Tab控件单击事件，点击tab头，定位到导航栏的选项，为选中状态        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void xtraTabControl1_Click(object sender, EventArgs e)        {            XtraTabControl obj = sender as XtraTabControl;            DevExpress.XtraTab.XtraTabPage page = obj.SelectedTabPage;            string switch_on = page.Tag.ToString(); //Tab，每个Tab的代码            switch (switch_on)            {                case "2001":                                        SelectItem(switch_on);                    break;                case "2002":                    SelectItem(switch_on);                    break;                case "2003":                    SelectItem(switch_on);                    break;                case "2004":                    SelectItem(switch_on);                    break;                case "2005":                    SelectItem(switch_on);                    break;                case "2006":                    SelectItem(switch_on);                    break;                case "2007":                    SelectItem(switch_on);                    break;                                default:                    break;            }        }        /// <summary>        /// DevExpress.XtraNavBar.NavBarControl 导航控件定位或选中状态        /// 另导航的选项为选中状态        /// </summary>        /// <param name="functionCode">Tag的代码，需要定位的导航项</param>        private void SelectItem(string functionCode)        {            Console.WriteLine(functionCode);            var length = this.navBarControl1.Groups.Count;            for (int groupIndex = 0; groupIndex < length; groupIndex++)            {                var itemLength = this.navBarControl1.Groups[groupIndex].ItemLinks.Count;                             for (int itemIndex = 0; itemIndex < itemLength; itemIndex++)                {                    var result = this.navBarControl1.Groups[groupIndex].ItemLinks[itemIndex].Item.Tag.ToString();                     if (result == functionCode)                    {                        this.navBarControl1.Groups[groupIndex].Expanded = true;                        navBarControl1.Groups[groupIndex].SelectedLinkIndex = itemIndex;                                              return;                                           }                                 }            }        }