Method shutdown

test-javaFx/dorkbox/TestTrayJavaFX.java:253–258

()

    }

    private
    void shutdown() {
        // SWT/JavaFX "shutdown hooks" have changed. Since it's no longer available with JPMS, it is no longer supported.
        // Developers must add the shutdown hooks themselves.
        systemTray.shutdown();
    }
}