In this article we will see how we can check if the margin of the spin box is NULL or not, by default it is set to zero although we can change this using
setContentsMargins method with the spin box object. If any of the margin value is greater than 0 then spin box margin is not NULL.
Note : When each margin value is set to 0 then it means they are NULL
In order to do this we use isNull method.
Syntax : margin.isNull()
Here margin is the QMargin object of the spin box
Argument : It takes no argument
Return : It returns bool
Below is the implementation
Attention geek! Strengthen your foundations with the Python Programming Foundation Course and learn the basics.
To begin with, your interview preparations Enhance your Data Structures concepts with the Python DS Course. And to begin with your Machine Learning Journey, join the Machine Learning – Basic Level Course