[Qt-interest] how to add menu dynamically in Qt

[Ramesh]

Hi,

 

I want to add, submenu to a menu item dynamically. How can I achive this?

 

I tried like this,

I have created an  Action and submenu. Then I have added the submenu to
action. 

But, I have connected the "triggered" signal of action. its getting crash if
I click on the action..

 

I have also handled the "aboutToShow" signal of menu, same its also getting
crash when I click on action..

 

Here is the sampe code.

 

Submenu = new QMenu(this);      

connect(Submenu, SIGNAL( aboutToShow()), this, SLOT(move ()));

 

                  QAction *test = new QAction(tr("Selection"), this);

                  test ->setMenu(Submenu);

 

                 menubar()->addAction(test);

 

I want to get the notification, before the display of submenu..

 

 

 


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