private void PrintWithQueue(PrintingQueue pq, Operation operation)
{
Thread printThread = new Thread(() => GdiPrinter.Print(pq, GdiPrinterPrintAction));
// STA needed because of the use of WebBrowser (WinForms).
printThread.SetApartmentState(ApartmentState.STA);
printThread.Start();
// Intentionally synchronize thread until its done.
printThread.Join();
}
internal void Print(PrintingQueue queue)
{
_pages = SplitMultipageTiff(ImagePath);
ThreadPool.QueueUserWorkItem(w => GdiPrinter.Print(queue, GdiPrinterPrintAction));
}