A BBox
is a purely cosmetic and organizational view that draws a labeled
border around its (view) children. The border and label are drawn within
the BBox
's frame rectangle.
The current pen size of the view determines the width of the border; by default it's 1.0 coordinate unit.
The label is drawn in the current font, which by default is the system bold font.
The label is drawn in the current high color; the default high color is black.
The BBox
's
label can be a string or it can be another view, such as a
control. For example, a popup menu might be used as the
BBox
's label, to
let the user select a group of options to view in a preference panel: