public static void DruckerKontrolle()
{
while (true)
{
//Application.Current.Dispatcher.Invoke(DispatcherPriority.Background,
// new Action(() =>
// {
// }));
var printerQuery = new ManagementObjectSearcher("SELECT * from Win32_Printer");
foreach (var printer in printerQuery.Get())
{
var name = printer.GetPropertyValue("Name");
string DruckerName = name.ToString();
var status = printer.GetPropertyValue("Status");
var isDefault = printer.GetPropertyValue("Default");
string DefaultDrucker = isDefault.ToString();
var isNetworkPrinter = printer.GetPropertyValue("Network");
if (DefaultDrucker == "True")
{
GlobalVar.PrinterName = DruckerName;
}
}
string wmiQuery = "SELECT * FROM Win32_PrintJob";
ManagementObjectSearcher jobsSearcher = new ManagementObjectSearcher(wmiQuery);
ManagementObjectCollection jobCollection = jobsSearcher.Get();
foreach (ManagementObject mo in jobCollection)
{
if ((Convert.ToUInt32(mo["TotalPages"]) > 0) && (GlobalVar.CheckDruckActive == false))
{
foreach (var job in LocalPrintServer.GetDefaultPrintQueue().GetPrintJobInfoCollection())
{
using (PrintServer ps = new PrintServer())
{
using (PrintQueue Warteschlange = new PrintQueue(ps, GlobalVar.PrinterName, PrintSystemDesiredAccess.AdministratePrinter))
{
Warteschlange.Pause();
}
}
}
Application.Current.Dispatcher.Invoke(DispatcherPriority.Background, new Action(() =>
{
WarnFenster Warnung = new WarnFenster();
Warnung.Show();
}));
GlobalVar.CheckDruckActive = true;
}
}
}
}
private void cmdPauseQueue_Click(object sender, RoutedEventArgs e)
{
if (lstQueues.SelectedValue != null)
{
PrintQueue queue = printServer.GetPrintQueue(lstQueues.SelectedValue.ToString());
queue.Pause();
}
}
/// <summary>
/// Questa implementazione che è quella più intelligente, non mi funziona.
/// Mi solleva una eccezione che dice che non sono autorizzato, non ho i permessi ????
/// Nonostante io richieda i permessi di amministrare il server di stampa
/// </summary>
/// <param name="azione"></param>
private void azioneSuSingolaStampante__NON__VA__access_denied(PrnAzione azione, String nomeStampante)
{
var match = Regex.Match(nomeStampante, @"(?<machine>\\\\.*?)\\(?<queue>.*)");
PrintServer printServer = null;
if (match.Success)
{
// Come print-server uso il server di rete
printServer = new PrintServer(match.Groups ["machine"].Value, PrintSystemDesiredAccess.AdministrateServer);
}
else
{
// Come print-server uso me stesso
printServer = new PrintServer(PrintSystemDesiredAccess.AdministrateServer);
}
using ( printServer ) {
PrintQueue printQueue = null;
if (match.Success)
{
printQueue = printServer.GetPrintQueue(match.Groups ["queue"].Value);
}
else
{
printQueue = printServer.GetPrintQueue(nomeStampante);
}
// Ricavo la coda di stampa (cioè la stampante) e le sue capacità.
using ( printQueue ) {
if (azione == PrnAzione.Pause)
{
printQueue.Pause();
}
if (azione == PrnAzione.Resume)
{
printQueue.Resume();
}
}
}
}
private void PerformAction(ActionType action)
{
if (cbQueue.SelectedItem == null)
{
MessageBox.Show("Please select a queue");
}
var printerName = cbQueue.SelectedItem.ToString();
var printers = printerName.StartsWith(@"\\") ? _printServer : _printers;
switch (action)
{
case ActionType.DeleteAll:
foreach (var jobs in printers.GetPrintQueue(printerName).GetPrintJobInfoCollection())
{
jobs.Cancel();
}
break;
case ActionType.Pause:
using (PrintQueue pq = new PrintQueue(printers, printerName,
PrintSystemDesiredAccess.AdministratePrinter))
{
pq.Pause();
}
break;
case ActionType.Resume:
using (PrintQueue pq = new PrintQueue(printers, printerName,
PrintSystemDesiredAccess.AdministratePrinter))
{
pq.Resume();
}
break;
}
PrinterStateChanged();
}