vbox:
for i in items:
if i.caption in menuset:
textbutton "{image=bookmark}[i.caption]" action i.action
else:
textbutton i.caption action [menuset.add(i.caption),i.action]
要给在menuset里的选项在choice menu中加上标签但是i.caption in menuset判断任何选项都为真,尝试在init python中:重写、写成for循环查找、写成集合交集都为真,无法判断