The code below. H# include
The class QAAA: public QWidget {public: a QString QSTR; . }; CppQAAA: : QAAA () {QSTR="ABC"; } tracking to the constructor, QSTR not ABC, vs display information is - QSTR {d=??? } a QString [referenced] CXX0030: error: unable to calculate the value of the expression [size] CXX0030: error: unable to calculate the value of the expression d CXX0017: error: could not find the symbol "" solutions for help, study a night also didn't understand CodePudding user response:
Under the other project, I wrote this is no problem, good strange, what is the possible reason,,, CodePudding user response:
QDebug () shows that's right, thank you upstairs two great god ~ qDebug () shows like I thought! Ah! This is the day time CodePudding user response:
Under the question what is the reason, please 