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我有包含子菜单的 QMenu 我希望能够动态更新每个菜单标题字符串,例如我有这个菜单
[main menu ] Groups 2 [sub menu] group_X 3 [sub menu] group_Y 1
我希望能够从我的应用程序中仅更改每个菜单条目中字符串的数字部分我应该查看哪种方法?
设置标题
menu -> setTitle (tr ("Number %1") .arg (123));