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        private List<PrintJob> gibPrintJobs()
        {
            //gib den Printserver
            PrintServer myPrintServer = new PrintServer(@"\\servername");
            List<PrintJob> liste = new List<PrintJob>();
            //gib alle Druckerwarteschlangen aus.
            PrintQueueCollection myPrintQueues = myPrintServer.GetPrintQueues();
            while(true)
            {
                listView1.BeginUpdate();
                //druchlaufe alle Druckerwarteschlangen
                foreach (PrintQueue pq in myPrintQueues)
                {
                    pq.Refresh();
                    PrintJobInfoCollection jobs = pq.GetPrintJobInfoCollection();
                    //durchlafe alle Druckaufträge für jeden Drucker
                    foreach (PrintSystemJobInfo job in jobs)
                    {
                        ListViewItem lv = new ListViewItem();
                        lv.Text = job.Submitter;
                        lv.SubItems.Add(Convert.ToString(job.NumberOfPages));
                        listView1.Items.Add(lv);                         
                    }
                }
                listView1.EndUpdate();
            }
            return liste;
        }