public void setImgPath_ShutdownSym(Path img) {
        this.imgShutdownSym = handleImage(img, UIResNumbers.SHUTDOWNSYMBOL.getNum());
        if (this.imgShutdownSym == null) {
            this.imgShutdownSym = UIDefaultImagePaths.SHUTDOWNSYMBOL.getPath();
            deleteImage(UIResNumbers.SHUTDOWNSYMBOL.getNum());
        }
        somethingChanged();
    }