public void UpdateGuiWithList(List<CustomItemClass> itemList)
{
CustomItemClass listItems = new CustomItemClass();
List<CustomItemClass> itemList1 = new List<CustomItemClass>();
itemList1 = listItems.GetCustomItemList();
this.comboBox1.DataSource = itemList1;
this.comboBox1.DisplayMember = "Name";
this.comboBox1.ValueMember = "Guid";
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
//
// need to populate comboBox1 from here
//
CustomItemClass customItem = new CustomItemClass();
List<CustomItemClass> itemList = new List<CustomItemClass>();
itemList = customItem.GetCustomItemList();
customItem.UpdateGuiWithList(itemList);
}