style                                             (Assignable)

        Contains a character string that indicates the characters that are
        used by the scroll bar's display() method.  The string must
        contain four characters.  The first character is the previous
        arrow character. Its default value is the up arrow character
        for a vertically oriented scroll bar and the left arrow
        character for a horizontally oriented scroll bar.  The second
        character is the client area character.  Its default value is the
        character.  The third is the thumb character.  Its default is the
        character.  The fourth character is the next arrow character.  Its
        default value is the down arrow character for a vertically
        oriented scroll bar or the right arrow character for a
        horizontally oriented scroll bar.

        Note:  In graphic mode, the style instance variable is ignored.