QT中如何使用design中设计的菜单,信号与槽如何写?以下有何区别?都没试成功?
connect(ui.aboutAct, SIGNAL(triggered()), qApp, SLOT(about()));
connect(ui.exitAct, SIGNAL(triggered()), qApp, SLOT(closeAllWindows()))
QObject::connect(aboutAct, SIGNAL(triggered()), qApp, SLOT(about()));
QObject::connect(exitAct, SIGNAL(triggered()), qApp, SLOT(closeAllWindows()))
[ 此贴被wwj97在2007-10-28 15:10重新编辑 ]