However you can subclass it. This is a virtual function so the widget may implement its own handling of resizing. Returns NULL if none. See Box Types for the available types. This color is passed to the box routine.
Color is an index into an internal table of rgb colors.
See the enumeration list for predefined colors. For Forms compatibility a second color is defined. This is usually used to color the widget when it is selected, although some widgets use this color for other purposes. The label is printed somewhere on the widget or next to it. The string is not copied, the passed pointer is stored unchanged in the widget.