qobject.h: In member function 'void QObject::qt_check_for_QOBJECT_macro(const T&) const [with T = Goo]': qobject.h:535:9: instantiated from 'static typename QtPrivate::QEnableIf::ArgumentCount) >= (int)(QtPrivat
1//Connect a signal to a pointer to qobject member function2//连接一个信号到 qobject 成员函数的指针34template <typename Func1, typename Func2>5staticinline QMetaObject::Connection connect(6consttypename QtPrivate::FunctionPointer<Func1>::Object *sender,7Func1 signal,8consttypename QtPrivate::F...
static inline QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer<Func2>::Object *receiver, Func2 slot, Qt::ConnectionType type = Qt::AutoConnection) { typedef QtPrivate::FunctionPointer<Func1> ...
2、QMetaObject::Connection QObject::connect(constQObject * sender, PointerToMemberFunctionsignal, constQObject * receiver, PointerToMemberFunction method, Qt::ConnectionType type = Qt::AutoConnection) [static] QLabel *label =newQLabel; QLineEdit *lineEdit =newQLineEdit; QObject::connect(lineEdit, ...
QtConcurrent::run能够方便快捷的将任务丢到子线程中去执行,无需继承任何类,也不需要重写函数,使用非常简单。 QtConcurrent常用接口: T> QtConcurrent::run(Function function, ...) T> QtConcurrent::run(QThreadPool *pool, Function function, ...) ...
问将调用triggered.connect()的QAction对象作为参数传递到函数中,该函数在我单击QAction之后触发EN做项目...
http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html May 26, 2014 at 1:53am meed(5) another question! in entrancePage() function i wanna show another page instead of writing a message in the console..but i have no idea how to do this.. ...
Operation already in progress. A previous connect() function had already been issued for the socket pointed to by the socket_descriptor parameter, and has yet to be completed. This error code is returned only on sockets that use a connection-oriented transport service. [EBADF] Descriptor not va...
1. CONCATENATE A. 语法 CONCATENATE ( <Text1>, <Text2> ) B. 返回 值(标量) C. 注意事项 ...
A lambda function is ... 心怀阳光 0 464 [localstack](2)kinesis&lambda 2019-12-24 16:57 − ### 1.Kinesis(http://localhost:4568) ### 1.1.create kinesis stream ``` aws --endpoint-url=http://localhost:4568 kinesis create-stream --stream-nam... 马达狮子 0 226 qt emit 20...