如何让甘特图中的左边展示的列表列可拖拽?

自己在做配置了示例中的代码,但是没有生效,是免费版的没有提供这个功能吗?
我自己配置的信息如下:
gantt.config.keep_grid_width = false;
gantt.config.grid_resize = true;

Hello @supersonic ,

Please, ask the questions only in English.

Unfortunately, the grid resizing is available only in PRO versions:
https://docs.dhtmlx.com/gantt/desktop__specifying_columns.html#resizing