public void SetItems(DataGridViewComboBoxCell.ObjectCollection items)
{
if (Nodes.Count > 0)
{
return;
}
foreach (var group in items.Cast <TreeComboBoxItem>().GroupBy(x => x.Group))
{
var parent = Nodes.Add(group.Key.ToString());
foreach (var item in group)
{
parent.Nodes.Add(item.Display).Tag = item.Value;
}
}
Sort();
}
public void AddRange(DataGridViewComboBoxCell.ObjectCollection value);