willRemoveSubview(_:)
Overridden by subclasses to perform additional actions before subviews are removed from the view.
Declaration
func willRemoveSubview(_ subview: NSView)Parameters
- subview:
The subview that will be removed.
Discussion
This method is invoked when subview receives a removeFromSuperview() message or subview is removed from the view due to it being added to another view with addSubview(_:).