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