qapplication exit

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qapplication exit

QApplication is derived from QCoreApplication and thereby inherits quit() which is a public slot of QCoreApplication , so there is no difference ...,Depending on just what you mean by "exit successfully", the most straightforward way is to examine the return value of the exec() . You can control it by using ... , In the other word, QApplication::exit() called before QApplication::exec() executed. So if you want to stop your application before QApplication entering the main loop, call ::exit() that provided by stdlib. h.,For any GUI application using Qt, there is precisely one QApplication object, ..... const QIcon exitIcon = QIcon::fromTheme("application-exit"); QAction *exitAct ... ,Is it by design that exiting the application with QApplication::quit() does ... I was under the impression that qApp->quit() is the right way to exit the ... ,For applications that use the Qt Widgets module, see QApplication. QCoreApplication .... Tells the application to exit with return code 0 (success). Equivalent to ... , @thuga is right. The problem you have is caused by your wrong code: you call qApp->exit() before right in your constructor, where your ..., app->quit(); }. 此时二者是等价的,即void QApplication::quit ()等价于函数调用QApplication::exit( 0 )。 此时,若需要给出用户提示,则只需要在程序 ...,Implemented quit operation using a push button, but it is not working. this is the line used : connect(hCloseButton, SIGNAL(clicked()), this, ... ,This is probably a very basic question, but how do you close the application from somewhere else than the main window? I'm working on an ...

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qapplication exit 相關參考資料
Correct way to quit a Qt program? - Stack Overflow

QApplication is derived from QCoreApplication and thereby inherits quit() which is a public slot of QCoreApplication , so there is no difference ...

https://stackoverflow.com

How to confirm the successful exit of the QApplication - Stack ...

Depending on just what you mean by "exit successfully", the most straightforward way is to examine the return value of the exec() . You can control it by using ...

https://stackoverflow.com

How works QApplication::exit() - Qt Centre Forum

In the other word, QApplication::exit() called before QApplication::exec() executed. So if you want to stop your application before QApplication entering the main loop, call ::exit() that provided by...

https://www.qtcentre.org

QApplication Class | Qt Widgets 5.14.0 - Qt Documentation

For any GUI application using Qt, there is precisely one QApplication object, ..... const QIcon exitIcon = QIcon::fromTheme("application-exit"); QAction *exitAct ...

https://doc.qt.io

QApplication::quit() does not trigger closeEvent() of the main ...

Is it by design that exiting the application with QApplication::quit() does ... I was under the impression that qApp->quit() is the right way to exit the ...

https://forum.qt.io

QCoreApplication Class | Qt Core 5.14.0 - Qt Documentation

For applications that use the Qt Widgets module, see QApplication. QCoreApplication .... Tells the application to exit with return code 0 (success). Equivalent to ...

https://doc.qt.io

QT: how to exit application and close UI - Stack Overflow

@thuga is right. The problem you have is caused by your wrong code: you call qApp->exit() before right in your constructor, where your ...

https://stackoverflow.com

Qt学习经验之quit()、exit()、close() - 博客园

app->quit(); }. 此时二者是等价的,即void QApplication::quit ()等价于函数调用QApplication::exit( 0 )。 此时,若需要给出用户提示,则只需要在程序 ...

https://www.cnblogs.com

quit Qt application, not working | Qt Forum

Implemented quit operation using a push button, but it is not working. this is the line used : connect(hCloseButton, SIGNAL(clicked()), this, ...

https://forum.qt.io

Terminating a application | Qt Forum

This is probably a very basic question, but how do you close the application from somewhere else than the main window? I'm working on an ...

https://forum.qt.io