Its not a bug. As Craig pointed out, the Themes overwrite all other backcolor settins. IOW, you've to turn Themes off to control backcolor.

>Reading the docs for the colorsource property, setting 0, I see:
>
>"Object's Color Properties. The control uses its color property settings (ForeColor, BackColor, and so on). "
>
>Sure seemed like that would override windows settings...am I misunderstanding or is it a bug?
>
>>You can't. If you use Themes, then the colors will always adapt to Windows settings...which, BTW, is what Windows UI Guidelines say should happen.
>>