c++ - Qt5: How to hide or remove a QMenu from the QMenuBar? -

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i using qt5 on windows7 platform:
qt creator version is: v3.3.2.
qt version 5.5.1 , mingw 32bit.

currently, in menu bar have:

configuration - reports - help

i searched , found possible answer: not possible hide qmenu object qmenu::setvisible()?, it didn't work...

so, trying remove menu using: 

ui->menuhelp->setvisible(false);

and: 

ui->menuhelp->menuaction()->setvisible(false);

unfortunatelly, both failed hide/remove help menu...

please, there other way it?

[code]: 

mainwindow::mainwindow(qwidget * parent) :     qmainwindow(parent),     ui(new ui::mainwindow) {     ui->setupui(this);     this->setwindowflags(this->windowflags() & ~qt::windowmaximizebuttonhint);     if(!server.listen(qhostaddress("192.168.1.2"), 8001))         return;     if(true) // testing...        ui->menuhelp->menuaction()->setvisible(false); }

just test, i've added 3 menus menubar.
tried this: 

ui->menu3->menuaction()->setvisible(false);

and worked expected - hides menu3. problem somewhere else.

the code ui->menuhelp->setvisible(false); hides menu, not action on menubar. example when click on action on menubar menu becomes visible. can hide line of code. when call directly constructor menu still invisible, code nothing.


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