DENSITY_BUTTON_PICT
else if (button_type == DENSITY_BUTTON_PICT) {
fDensityButton->SetEnabledOff(ButtonPicture(false, DENSITY_BUTTON_PICT));
fDensityButton->SetEnabledOn(ButtonPicture(true, DENSITY_BUTTON_PICT));
ButtonPicture(false, DENSITY_BUTTON_PICT),
ButtonPicture(true, DENSITY_BUTTON_PICT),