private void AddChild(Node child, int index)
{
if (child == null) return;
if (child.Parent != null)
child.parent.children.ReleaseChild(Array.IndexOf(child.parent.children._childrenArray, child));
_childrenArray[index] = child;
child.parent = _owner;
}
public ChildrenCollection(Node owner, int length)
{
_owner = owner;
_childrenArray = new Node[length];
}
