Netbeans GUI editor: Add an action on exit?

Hello,
I have a GUI built using netbeans GUI editor and I would like to execute some code just before the program exits. Does anyone know of a decent way to do this?
Thanks,

Hi,
Just a remark. As a good practice, one should only extend Thread when one wants a Thread to have special capabilities.
Generally, one should create a new Thread with a Runnable. So you could enhance your code as follows:
public ShutdownRunner implements Runnable {
    @Override
    public void run() {
        USB_interface_K8055.JCloseDevice(); // Static JNI method
        System.out.println("Shutting down");
}and
// add shutdown hook for program
        Runtime.getRuntime().addShutdownHook(new Thread(new ShutdownRunner());Glad to be of help,
Piet

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