ATMLCommonLibrary.controls.awb.AWBXmlTreeView.ResetImages C# (CSharp) Метод

        public void ResetImages(int idx, TreeNode parent = null)
        {
            TreeNodeCollection nodes = Nodes;
            if (parent != null)
            {
                parent.ImageIndex = idx;
                parent.SelectedImageIndex = idx;
                nodes = parent.Nodes;
            }
            foreach (TreeNode treeNode in nodes)
            {
                treeNode.ImageIndex = idx;
                treeNode.SelectedImageIndex = idx;
                ResetImages(idx, treeNode);
            }
        }