//Save option for User Packages tab private void SaveUserPackageList() // this is not saved with config xml file but else where. So saving is different for this tab. { userPackageList.RemoveAllItems(); string[] itemsarr = new string[packagelistbox.Items.Count]; int i = 0; foreach (object item in packagelistbox.Items) { itemsarr[i] = (item.ToString()); i++; } userPackageList.AddXMLItems(itemsarr); //ApplyPackageButton.IsEnabled = false; }