Q3listbox and qdevelop

[vtco]

Hi,

I'm trying to bring my app from qt3 to qt4 but I want to use q3listbox. When I put a q3listbox in qdevelop I have this error:

Error in qdevelopmainwindowimpl.cpp.text._ZN13Ui_MainWindow7setupUiEP11QMainWindow[Ui_MainWindow::setupUi(QMainWindow*)]+0x126): undefined reference to `Q3ListBox::Q3ListBox(QWidget*, char const*, QFlags<Qt::WindowType>)' collect2: ld devolvió el estado de salida 1 make: *** [bin/qt4prueba] Error 1

Do you know what can I do?

Thanks,

PD: I have installed all qt3,qt4 libraries and support libraries and I import them when it's necessary.

[jpn]

Add following line to the .pro file:

QT += qt3support

QT += qt3support

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