转载:https://blog.csdn.net/yl_best/article/details/83818485
QWidget继承自QObject和QPaintDevice
QLayout继承自QObject和QLayoutItem
转载:https://blog.csdn.net/yl_best/article/details/83818485
QWidget继承自QObject和QPaintDevice
QLayout继承自QObject和QLayoutItem
class MetaCls(type): def __new__(cls, *args, **kwargs): print("in MetaCls") # return super(Meta