Dev Treelist控件显示行号

        #region 显示行号        private void treeList1_CustomDrawNodeIndicator(object sender, DevExpress.XtraTreeList.CustomDrawNodeIndicatorEventArgs e)        {            DevExpress.XtraTreeList.TreeList tmpTree = sender as DevExpress.XtraTreeList.TreeList;            DevExpress.Utils.Drawing.IndicatorObjectInfoArgs args = e.ObjectArgs as DevExpress.Utils.Drawing.IndicatorObjectInfoArgs;            if (args != null)            {                int rowNum = tmpTree.GetVisibleIndexByNode(e.Node) + 1;                args.DisplayText = rowNum.ToString();            }            e.ImageIndex = -1;         }        #endregion

作者：jiankunking 出处：http://blog.csdn.net/jiankunking