[WinForm][DevExpress]设置TreeListNode的背景色

关键代码：

        /// <summary>
        /// 设置节点背景色
        /// 在NodeCellStyle事件中使用
        /// </summary>
        /// <param name="tree">TreeList</param>
        /// <param name="e">GetCustomNodeCellStyleEventArgs</param>
        /// <param name="builderBackColorHandler">委托</param>
        public static void CustomNodeBackColor(this TreeList tree, GetCustomNodeCellStyleEventArgs e, Func<TreeListNode, Color> builderBackColorHandler)
        {
            TreeListNode _node = e.Node;
            e.Appearance.BackColor = builderBackColorHandler(_node);
        }

代码使用：

代码效果：

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