How can I disable Alt + F4 window closing using Qt?

Question

I\'ve disabled X button in Qt from my dialog using this line:

myDialog->setWindowFlags(Qt::Dialog | Qt::Desktop)
         


        

Answer 1

Also you can handle the event in your dialog's class (at least if it's modal dlg):

void MyDialog::closeEvent(QCloseEvent* e)
{
    if ( condition )
       e->ignore();
    else
       __super::closeEvent(e);
}