/// <summary>
        /// 關閉tab時，定位到導航欄對應的激活tab
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void DXtrtable_SelectedPageChanged(object sender, TabPageChangedEventArgs e)
        {               
            
 
if (e.Page.Tag == null)
            {
                return;
            }
            string functionCode = e.Page.Tag.ToString(); //Tab，每個Tab的代碼
            this.SelectItem(functionCode);
        }

/// <summary>
        /// DevExpress.XtraNavBar.NavBarControl 導航控件定位或選中狀態
        /// 另導航的選項為選中狀態
        
 
/// </summary>
        /// <param name="functionCode">Tag的代碼，需要定位的導航項</param>
        private void SelectItem(string functionCode)
        {
            Console.WriteLine(String.Concat("SelectItem", functionCode));
            var length = this.DnBarControl.Groups.Count;
            
 
for (int groupIndex = 0; groupIndex < length; groupIndex++)
            {
                var itemLength = this.DnBarControl.Groups[groupIndex].ItemLinks.Count;

                for (int itemIndex = 0; itemIndex < itemLength; itemIndex++)
                {
                    var result = this.DnBarControl.Groups[groupIndex].ItemLinks[itemIndex].Item.Tag.ToString();

                    if (result == functionCode)
                    {
                        this.DnBarControl.Groups[groupIndex].Expanded = true;
                        this.DnBarControl.Groups[groupIndex].SelectedLinkIndex = itemIndex;

                        return;

                    }
                }
            }
        }

關閉tab時，定位到導航欄對應的激活tab