[Dev-C++] QT linker error

[Federico.cordeglio <fed...@em...>]

Hi all,
I'm a newbie and I do hope not to annoy you with a known topic. I'm trying
to learn QT using dev-CPP, but when I compile some of the examples of the
tutorial (all the code examples containing Q_OBJECT macro), the following
message appears: "  [Linker error] undefined reference to `vtable for
MyWidget' "

I have windows XP, Dev-CPP vers 4.9.9.2, QT ver 4.3.1 and I use the attached
template.

Thanks a lot for any suggestion

Kind Regards

Federico 
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