Additionally, if a non-empty @a rectBound is provided, the tip window will
also automatically close if the mouse leaves this area. This is useful to
dismiss the tip mouse when the mouse leaves the object it is associated with.
Additionally, if a non-empty @a rectBound is provided, the tip window will
also automatically close if the mouse leaves this area. This is useful to
dismiss the tip mouse when the mouse leaves the object it is associated with.