Win32PrintService.java 文件源码

public PrintRequestAttributeSet
    showDocumentProperties(PrinterJob job,
                           Window owner,
                           PrintService service,
                           PrintRequestAttributeSet aset) {

    if (!(job instanceof WPrinterJob)) {
        return null;
    }
    WPrinterJob wJob = (WPrinterJob)job;
    return wJob.showDocumentProperties(owner, service, aset);
}