qaction :: triggered
You should rather compare the QAction s directly and either use the ... in your header taking no arguments (becuase the signal QAction::triggered() have none). ,QAction::Trigger, 0, this will cause the QAction::triggered() signal to be emitted ... QAction::AboutQtRole, 3, This action matches handles the "About Qt" menu item ... ,this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... ,this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... ,this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... ,QAction::Trigger, 0, this will cause the QAction::triggered() signal to be emitted ... QAction::AboutQtRole, 3, This action matches handles the "About Qt" menu item ... ,this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... ,this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... ,this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... , QAction類別代表窗口的一個動作，這個動作可顯示在選單，當使用者點擊選單時做 ... #include <QStatusBar> MainWindow::MainWindow(QWidget ...
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 qaction :: triggered 相關參考資料
identify a trigger of QAction - Stack Overflow
You should rather compare the QAction s directly and either use the ... in your header taking no arguments (becuase the signal QAction::triggered() have none). https://stackoverflow.com QAction Class | Qt 4.8 - Qt Documentation
QAction::Trigger, 0, this will cause the QAction::triggered() signal to be emitted ... QAction::AboutQtRole, 3, This action matches handles the "About Qt" menu item ... https://doc.qt.io QAction Class | Qt Widgets 5.10 - Qt Documentation
this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... https://doc.qt.io QAction Class | Qt Widgets 5.11 - Qt Documentation
this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... https://doc.qt.io QAction Class | Qt Widgets 5.13.0 - Qt Documentation
this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... https://doc.qt.io QAction Class | Qt Widgets 5.5 - Qt Documentation
QAction::Trigger, 0, this will cause the QAction::triggered() signal to be emitted ... QAction::AboutQtRole, 3, This action matches handles the "About Qt" menu item ... https://doc.qt.io QAction Class | Qt Widgets 5.6 - Qt Documentation
this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... https://doc.qt.io QAction Class | Qt Widgets 5.7 - Qt Documentation
this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... https://doc.qt.io QAction Class | Qt Widgets 5.8 - Qt Documentation
this); openAct->setShortcuts(QKeySequence::Open); openAct->setStatusTip(tr("Open an existing file")); connect(openAct, &QAction::triggered, this, ... https://doc.qt.io QAction | 阿洲的程式教學
QAction類別代表窗口的一個動作，這個動作可顯示在選單，當使用者點擊選單時做 ... #include <QStatusBar> MainWindow::MainWindow(QWidget ... http://monkeycoding.com |