Method getWindowID

src/com/sun/jna/Native.java:412–414

Utility method to get the native window ID for a Java Window as a long value. This method is primarily for X11-based systems, which use an opaque XID (usually long int ) to identify windows. @throws HeadlessException if the current VM is running headless

(Window w)

     * @throws HeadlessException if the current VM is running headless
     */
    public static long getWindowID(Window w) throws HeadlessException {
        return AWT.getWindowID(w);
    }

    /** Utility method to get the native window ID for a heavyweight Java
     * {@link Component} as a <code>long</code> value.