public override void Add(TreeNode <T> tree)
{
LinkedTree <T> gtree = (LinkedTree <T>)tree;
if (gtree.Parent != null)
{
gtree.Remove();
}
gtree.parent = this;
if (gtree.depth + 1 > depth)
{
depth = gtree.depth + 1;
BubbleDepth();
}
gtree.level = level + 1;
gtree.UpdateLevel();
childrenList.AddLast(gtree);
count += tree.Count;
BubbleCount(tree.Count);
}
