DevExpress.XtraTreeList.TreeList 显示行号

	private void treeList_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;
		this.treeList.IndicatorWidth = rowNum.ToString().Length * 10 + 10;
                args.DisplayText = rowNum.ToString();
            }
        }

DevExpress.XtraTreeList.TreeList 显示行号

原文：http://blog.csdn.net/chao88552828/article/details/44829091