public static void BindData(this ComboBox box, List<KeyValuePair<long, string>> data)

         {

             box.ItemHeight = ;

             box.DropDownStyle = ComboBoxStyle.DropDownList;

             box.DrawMode = DrawMode.OwnerDrawFixed;

             box.DataSource = data;

             box.DrawItem += (sender, e) =>

             {

                 if (e.Index < )

                 {

                     return;

                 }

                 e.DrawBackground();

                 e.DrawFocusRectangle();

                 e.Graphics.DrawString(data[e.Index].Value.ToString(), e.Font, new SolidBrush(e.ForeColor), e.Bounds.X, e.Bounds.Y + );

             };

         }