problems on the QMenu hide

[xiongxiongchuan]

i have a MainForm ,and have some MdiForms ,when the MdiForms' type changed ,some QMenu will be hide,but when i use the function

editMenu->setVisible(false)

editMenu->setVisible(false)

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the QMenu are still on the mainform, what's happen?how can i solve this problem?

[dbzhang800]

editMenu->menuAction () ->setVisible(false)