ButtonPicture
fRefreshButton->SetEnabledOff(ButtonPicture(false, REFRESH_BUTTON_PICT));
fRefreshButton->SetEnabledOn(ButtonPicture(true, REFRESH_BUTTON_PICT));
fColorButton->SetEnabledOff(ButtonPicture(false, COLOR_BUTTON_PICT));
fColorButton->SetEnabledOn(ButtonPicture(true, COLOR_BUTTON_PICT));
fDensityButton->SetEnabledOff(ButtonPicture(false, DENSITY_BUTTON_PICT));
fDensityButton->SetEnabledOn(ButtonPicture(true, DENSITY_BUTTON_PICT));
ButtonPicture(false, REFRESH_BUTTON_PICT),
ButtonPicture(true, REFRESH_BUTTON_PICT),
ButtonPicture(false, COLOR_BUTTON_PICT),
ButtonPicture(true, COLOR_BUTTON_PICT),
ButtonPicture(false, DENSITY_BUTTON_PICT),
ButtonPicture(true, DENSITY_BUTTON_PICT),
BPicture *ButtonPicture(bool active, int32 button_type);