protected override void OnStart(string[] args)
{
StopStopping = false;
// decode the list of printers to stop
var stopUsString = StopPrintJobs.Properties.Settings.Default.PrintersToStop;
var stopUs = new List <string>();
foreach (var printer in stopUsString.Split(';'))
{
var trimmedPrinter = printer.Trim();
if (trimmedPrinter.Length != 0)
{
stopUs.Add(trimmedPrinter);
}
}
if (stopUs.Count == 0)
{
TheEventLog.WriteEntry("No printers to stop! Exiting.");
this.Stop();
return;
}
// prepare for stoppage
Spool = new Spooler();
// launch the thread
StopperThread = new Thread(() => Proc(stopUs));
StopperThread.Start();
}
private void Proc(List <string> stopThesePrinters)
{
for (; ;)
{
if (StopStopping)
{
break;
}
try
{
Spool.PauseNewJobsProc(stopThesePrinters);
// if PauseNewJobsProc returns, it's a clean shutdown
break;
}
catch (SpoolerAccessPI.InteropHelpers.FatalNativeCodeException exc)
{
TheEventLog.WriteEntry(string.Format(
"{0} (function {1} returned code {2})",
exc.Message,
exc.NativeFunction,
exc.ErrorCode
), EventLogEntryType.Error);
break;
}
catch (SpoolerAccessPI.InteropHelpers.NativeCodeException exc)
{
if (StopPrintJobs.Properties.Settings.Default.LogLevel > 0)
{
TheEventLog.WriteEntry(string.Format(
"{0} (function {1} returned code {2})",
exc.Message,
exc.NativeFunction,
exc.ErrorCode
), EventLogEntryType.Warning);
}
if (StopPrintJobs.Properties.Settings.Default.StopOnNonfatalError)
{
// don't try again
break;
}
}
}
}