public boolean setShutdownmenuButtonHeight(int height) {
        boolean ret = true;

        if (height < 0) {
            this.buttonShutdownmenu_Height = UISizeInits.SHDMENU_BTN.getHeight();
            ret = false;

        } else {
            this.buttonShutdownmenu_Height = height;
        }
        somethingChanged();

        return ret;
    }