我给qdockwidget添加了一个slot(直接在qcreator中右键添加的)destroy,现在想删掉这个slot却一直编译错误,说什么
moc_it_campus.obj:: error: unresolved external symbol "private: void __thiscall IT_Campus::on_BulidingDock_visibilityChanged(bool)" (?on_BulidingDock_visibilityChanged@IT_Campus@@AAEX_N@Z) referenced in function "public: virtual int __thiscall IT_Campus::qt_metacall(enum QMetaObject::Call,int,void * *)" (?qt_metacall@IT_Campus@@UAEHW4Call@QMetaObject@@HPAPAX@Z)
请问是什么问题,该如何解决呢~