In this article we will see how we can sets the rectangle to the children region of spin box, children region holds the combined region occupied by the spin box’s children. In order to get the children region we use
childrenRegion method. Children region consist of all the rectangles but if we set only some of the rectangles to it then it will change the region.
In order to do this we use setRects method with the children region object of the spin box
Syntax : children_region.setRects(rectangles)
Argument : It takes list of QRect as argument
Action Performed : It sets sets the region
Below is the implementation
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