ZForge.Controls.TreeViewAdv.Tree.TreeViewAdv.ClearNodesSize C# (CSharp) Method

        private void ClearNodesSize(TreeModelEventArgs e, TreeNodeAdv parent)
        {
            if (e.Indices != null)
            {
                foreach (int index in e.Indices)
                {
                    if (index >= 0 && index < parent.Nodes.Count)
                    {
                        TreeNodeAdv node = parent.Nodes[index];
                        node.Height = node.RightBounds = null;
                    }
                    else
                        throw new ArgumentOutOfRangeException("Index out of range");
                }
            }
            else
            {
                foreach (TreeNodeAdv node in parent.Nodes)
                {
                    foreach (object obj in e.Children)
                        if (node.Tag == obj)
                        {
                            node.Height = node.RightBounds = null;
                        }
                }
            }
        }