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error : Class declarations lacks Q_OBJECT macro

ZMXQQ233 2022-07-27 阅读 29
编程语言

直译是:类声明没有Q_OBJECT 宏。

class CError1 : public QObject

{


signals:

void OnButClicked();

};


class CError2 : public QObject

{

signals:

void OnButClicked();

};



class CError1 : public QObject

{

Q_OBJECT

signals:

void OnButClicked();

};


类声明加上Q_OBJECT就好了。


class CError1 : public QObject

{

Q_OBJECT

signals:

void OnButClicked();

};


class CError2 : public QObject

{

Q_OBJECT

signals:

void OnButClicked();

};

class CError2 : public QObject

{

Q_OBJECT

signals:

void OnButClicked();

};

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