public void AddItem()
{
DataItem item = new DataItem("New Item");
DataItem parent = m_dataItems[m_counter];
parent.Children.Add(item);
TreeView.AddChild(parent, item);
TreeView.Internal_Expand(parent);
DataItem subItem = new DataItem("New Sub Item");
item.Children.Add(subItem);
TreeView.AddChild(item, subItem);
TreeView.Internal_Expand(item);
m_counter++;
m_counter %= m_dataItems.Count;
}
private void Update()
{
if (Input.GetKeyDown(KeyCode.E))
{
object dataItem = TreeView.Items.OfType <object>().First();
if (TreeView.IsExpanded(dataItem))
{
TreeView.Internal_Collapse(dataItem);
}
else
{
TreeView.Internal_Expand(dataItem);
}
}
}