Undefined reference to slot qt

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Undefined reference to my signal - Qt Centre

Signals and Slots. A slot is a function that is called in response to a particular signal. Qt's widgets have many pre-defined slots, but it is common practice to subclass widgets and add your own slots so that you can handle the signals that you are interested in. signals-slots reference - Qt ... - code-examples.net qt signals-slots vtable undefined-reference Qtリンカエラー： "vtableへの未定義参照" QSharedPointerとQSharedDataPointerの違いは？ [Résolu] Qt - Erreur : "undefined reference to..." par ...

C++ GUI Programming with Qt4: Creating Dialogs | Subclassing ...

c++ - Qt Linker Error: "undefined reference to vtable Signals must not have an implementation (This wil be generated by Qt). Remove the reciveMessage implementation from your .cpp file. This may solve your problem. An other thing I've seen: Since the BarelySocket class inherit from QObject it must have a virtual destructor to avoid problem during destruction. This must be done for all class that inherit from an other class. [QTBUG-68396] undefined reference to 'a_slot()' in moc_a Qt; QTBUG-68396; undefined reference to 'a_slot()' in moc_a_slot.cpp. Log In. Export

qt - undefined reference to `vtable for myObj' in qt

When I compile by Qt Creator ,it tell me undefined reference to `vtable for.. Also, delete the build directory, run qmake and then build again. I had tried to do this... even I copy three file to another independent dir , but it still show undefined reference to `vtable for..

2015年7月17日 ... 如果添加了 Q_OBJECT 宏之后编译出现了 undefined reference to 'vtable ... 9 Func2 slot,Qt::ConnectionType type = Qt::AutoConnection 10 ) 11 ... C++ GUI Programming with Qt4: Creating Dialogs | Subclassing ... 2 Nov 2009 ... This chapter will teach you how to create dialog boxes using Qt. ... Subclassing QDialog; Signals and Slots in Depth; Rapid Dialog Design .... char const*)': /usr/ lib/qt/src/corelib/global/qglobal.h:1430: undefined reference to ... C++ GUI Programming with Qt 4 - Computer Science

It looks like moc doesn't generate code for your QObject because you declare it in the .cpp file. The easiest way to fix that is to move the declaration of ...

Qt Slot Undefined Reference - SOLVED][C++/Qt] Unknown ...