namespace WindowsFormsApplication1
{
    public partial class Form1 : System.Windows.Forms.Form
    {
        public Form1()
        {
            InitializeComponent();
 
            // create list of data
            var _List = new System.Collections.Generic.List<Data> 

 
   public class ListUtils
   {
       /// <summary>
       /// Manual ComboBox binding and adding a first item
       /// 
       /// Assumes you're binding to an enumerable list of some sort
       /// and you're binding to Properties (not fields)
       /// </summary>
       public static void BindWithFirstItem(IEnumerable items, ComboBox listBox,