Bevel Button and Color

The property inspector for a BEVEL BUTTON contains

HasBackColor
BackColor
TextColor

yet these seem to have no effect. Are they broken? Windows/Linux only?
am I doing something wrong?

OSX 10.9.5 , Xojo 2014r2

answer :
https://forum.xojo.com/12999-bevel-button-backcolor-not-working