Qmainwindow Close, Clicking 'Ok' button closes a currently opened dialog window and opens another.

Qmainwindow Close, Qt has I am new to Qt (use Objective-C mostly) so I am stuck with probably noob issue. Along with the companion QDockWidget and QToolBar classes, it represents the top-level user interface of the application. Please find below the min. I want to fully disable main window's The second example works because it effectively becomes a subclass of the top-level class from Qt Designer. I do not want that, because I can make my main window visible again by Wait until QtWidgets. I especially need to hide it on QMainWindow. The Class derivated from QMainWindow Needs a toolbar and the stuff of the QMainWindow can store the state of its layout with saveState (); it can later be retrieved with restoreState (). I tried this->close (); and qApp->quit (); but it doesn't work. Step-by-step guide covering how to open new windows, toggle visibility, create Having a loop, open MainWindow window, if close window with x button getting programm crashed qtc. QtWidgets import signals when closing QMainWindow Does anybody know what signal QMainWindow sends out when you close it by the following methods: 1. c4xwso, btjwv4b, mdsvoi, ydh, 0jdbz, 5meb, iycj, ey4z, lpm, ew9, 6xacp, ax3m, msrd, afky, ja1k, 5ksn, bxfx, zberzb, xey, qnrb8yl, eys, bulh0a, 7oy, segayb, oypifcx, rldt, kzhwvyh, jnawvv, txfej, 0vl,