About select control,could it achieve multi-level


#1

hello,
about select control,I read you office document, it is a drop-down list box,but it just one level to select,I have a demand,could you provide multi-level to select like tree-select,like that %40V10L060YKFT)8Z%255T%24MI_9
this.demand is very important for my project,so I hope you help me to achieve it! thank you!