error: macro "SIGNAL" passed 3 arguments, but takes just 1
错误原因：
"SIGNAL"后面括号掉了。
connect(ui->Btnshowhello,SIGNAL(clicked(bool)),this,SLOT(BtnshowhelloSlot()));
【QT】error: macro "SIGNAL" passed 3 arguments, but takes just 1
免责声明！
本站转载的文章为个人学习借鉴使用，本站对版权不负任何法律责任。如果侵犯了您的隐私权益，请联系本站邮箱yoyou2525@163.com删除。
猜您在找
Qt5.编译错误.error: C2338: The slot requires more arguments than the signal provides.
【QT】error: 'SIGNAL' was not declared in this scope
报takes no arguments错误
[C++_QT] Error: Not a signal or slot declaration
python 报错： Dog() takes no arguments
python cv2.rectangle error: TypeError: function takes exactly 4 arguments (2 given)
TypeError: strptime() takes no keyword arguments
python : takes 0 positional arguments but 1 was given
Laravel collection 报错 join(): Invalid arguments passed
python:TypeError: main() takes 0 positional arguments but 1 was given