private void Util_AddLayout(TreeNode soluNode, DB.ExcelXMLLayout layout) { TreeNode layoutNode = new TreeNode(layout.text); layoutNode.Name = layout.path; layoutNode.Tag = layout; layoutNode.SelectedImageKey = layoutNode.ImageKey = "LAYOUT"; foreach (DB.ExcelXMLLayout.KeyPair kp in layout.EachKeyPair()) { Util_AddKeyPair(layoutNode, kp); } soluNode.Nodes.Add(layoutNode); }