how to get a class's signal list?

I have no access to the class src/h code,also I don't know which class the class drived from ,there is only a instance of an class ,how can I get the class's signal list ?

If you have a QObject then you can access that information via the QMetaObject.
QObject::staticMetaObject() and QObject::metaObject()

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Originally Posted by ChrisW67

If you have a QObject then you can access that information via the QMetaObject.
QObject::staticMetaObject() and QObject::metaObject()

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Thanks ,I will have a try.