在 近我者赤 修改版的基础上，做了些许优化。

请升级到最新版本。

import win.ui;
import godking.vlistEx.listbar2;
import fonts.fontAwesome;
/*DSG{{*/
mainForm = win.form(text="多层折叠菜单";right=1233;bottom=713)
mainForm.add({
custom={cls="static";text="自定义控件";left=276;top=8;right=1225;bottom=706;border=1;db=1;dr=1;dt=1;edge=1;z=2};
vlistEx={cls="vlistEx";left=8;top=8;right=269;bottom=706;acceptfiles=1;aw=1;border=1;db=1;dl=1;dt=1;hscroll=1;vscroll=1;z=1}
})
/*}}*/
//创建图片数据
import godking.paint;
import inet.http;
var imgs = godking.paint.splitImage("https://aardio.online/upload/files/20250201/1738408235.png",10,10,0,0,0,0);
for(i=1;#imgs;1){
    mainForm.vlistEx.addImg(i/*图片名称*/,imgs[i]/*图片文件*/,false/*是否替换*/,/*宽度*/,/*高度*/);
}
//创建实例
var listbar = godking.vlistEx.listbar2(mainForm.vlistEx,{
        menuBkColor = 0x71B33C;         /*菜单背景颜色*/
        menuHoverBkColor = 0xFB3F3C;    /*菜单鼠标划过背景颜色*/
        menuBkColor2 = 0xC9FFC9;         /*菜单背景颜色*/
        menuHoverBkColor2 = 0xE6E0B0;    /*菜单鼠标划过背景颜色*/
        itemBkColor = 0xFFFFFF;            /*项目背景颜色*/
        itemHoverBkColor = 0xFEE0E0;    /*项目鼠标划过背景颜色*/
        itemHeight = 40;                /*项目高度*/
        lineColorH = 0xDDDDDD;            /*横线颜色*/
        bkcolor = 0xFFFFFF;                /*表格背景颜色*/
        single = -1;     /*菜单单开时默认展开的菜单索引。0是多开全展开。无效索引(如-1)则全不展开。*/
        alwaysOpen = false;             /*菜单多开时，是否一直展开，不允许关闭*/
        menuFont=::LOGFONT({name="fontAwesome",h=16,color=0xFFFFFF});         /*菜单字体*/
        menuHoverFont=::LOGFONT({name="fontAwesome",h=16,color=0xFFFFFF});    /*菜单鼠标划过字体*/
        menuFont2=::LOGFONT({name="fontAwesome",h=16,color=0x000000});         /*菜单字体*/
        menuHoverFont2=::LOGFONT({name="fontAwesome",h=16,color=0x000000});    /*菜单鼠标划过字体*/
        itemFont=::LOGFONT({name="fontAwesome",h=16,color=0x000000});        /*项目字体*/
        itemHoverFont=::LOGFONT({name="fontAwesome",h=16,color=0xFF0000});    /*项目鼠标划过字体*/
})
/*设置项目数据{{*/
var t = {
    {0,"　<img name=95,w=30,h=30>　主菜单1"++' \uF0DA'}
    {1,"　　<img name=91,w=30,h=30>　菜单11"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx1.1.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx1.1.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx1.1.3"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单4","bx1.1.4"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单5","bx1.1.5"}
    {1,"　　<img name=91,w=30,h=30>　菜单12"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx1.2.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx1.2.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx1.2.3"}
    {1,"　　<img name=91,w=30,h=30>　菜单13"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx1.3.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx1.3.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx1.3.3"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单4","bx1.3.4"}
    {0,"　<img name=95,w=30,h=30>　主菜单2"++' \uF0DA'}
    {1,"　　<img name=91,w=30,h=30>　菜单21"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx2.1.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx2.1.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx2.1.3"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单4","bx2.1.4"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单5","bx2.1.5"}
    {1,"　　<img name=91,w=30,h=30>　菜单22"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx2.2.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx2.2.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx2.2.3"}
    {1,"　　<img name=91,w=30,h=30>　菜单23"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx2.3.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx2.3.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx2.3.3"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单4","bx2.3.4"}
    {0,"　<img name=95,w=30,h=30>　主菜单3"++' \uF0DA'}
    {1,"　　<img name=91,w=30,h=30>　菜单31"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx3.1.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx3.1.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx3.1.3"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单4","bx3.1.4"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单5","bx3.1.5"}
    {1,"　　<img name=91,w=30,h=30>　菜单32"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx3.2.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx3.2.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx3.2.3"}
    {1,"　　<img name=91,w=30,h=30>　菜单33"++' \uF0DA'}
    {2,"　　　<img name=72,w=30,h=30>　子菜单1","bx3.3.1"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单2","bx3.3.2"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单3","bx3.3.3"}
    {2,"　　　<img name=72,w=30,h=30>　子菜单4","bx3.3.4"}
};
/*}}*/
listbar.setItemList(t);
//定义点击事件
listbar.onClick = function(index/*项目索引*/,text/*项目文本*/,data/*附加数据*/){
    mainForm.custom.text = "您点击了选项：" ++ data;
}
mainForm.show();
win.loopMessage();