public void Add (TreeNode child)
{
child.Index = items.Add (child);
child.Tree = tree;
child.SetParent (parent);
if (marked) {
child.TrackViewState ();
child.SetDirty ();
dirty = true;
}
}
public void AddAt (int index, TreeNode child)
{
items.Insert (index, child);
child.Index = index;
child.Tree = tree;
child.SetParent (parent);
for (int n=index+1; n<items.Count; n++)
((TreeNode)items[n]).Index = n;
if (marked) {
child.TrackViewState ();
child.SetDirty ();
dirty = true;
}
}