C# TabControl中Tab放於左邊並正常顯示TabText（

         ///   <summary>
         ///  構造函數
         ///   </summary>
         public  TabL()
        {
            InitializeComponent();
            TabSet();
            tabLeft.DrawItem  +=   new  DrawItemEventHandler(tabLeft_DrawItem);
        }

         ///   <summary>
         ///  設定控件繪製模式
         ///   </summary>
         private   void  TabSet()
        {
            tabLeft.DrawMode  =  TabDrawMode.OwnerDrawFixed;
            tabLeft.Alignment  =  TabAlignment.Left;
        }
         ///   <summary>
         ///  重繪控件
         ///   </summary>
         ///   <param name="sender"></param>
         ///   <param name="e"></param>
         void  tabLeft_DrawItem( object  sender, DrawItemEventArgs e)
        {
            StringFormat sfForamt  =   new  StringFormat();
            sfForamt.LineAlignment  =  StringAlignment.Center;
            sfForamt.Alignment  =  StringAlignment.Center;
             // sfForamt.FormatFlags = StringFormatFlags.DirectionVertical;
            TabControl tcTab  =  (TabControl)sender;
            e.Graphics.DrawString(tcTab.TabPages[e.Index].Text, SystemInformation.MenuFont,  new  SolidBrush(Color.Black), e.Bounds, sfForamt);

        }