public PrintStatus_t StartPrint(PrintParams_t pparams)
{
try
{
if (m_worker != null && m_worker.IsBusy)
{
m_worker.CancelAsync();
return(PrintStatus_t.PRINT_BUSY);
}
if (m_worker == null)
{
Thread asyncThread = new Thread(PrintWorkThread);
asyncThread.SetApartmentState(ApartmentState.STA);
asyncThread.Start(pparams);
/* m_worker = new BackgroundWorker();
* m_worker.WorkerReportsProgress = true;
* m_worker.WorkerSupportsCancellation = true;
* m_worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(PrintCompleted);
* m_worker.ProgressChanged += new ProgressChangedEventHandler(PrintProgressChanged);
* m_worker.DoWork += new DoWorkEventHandler(PrintWork);*/
}
////m_pparams = pparams;
//m_worker.RunWorkerAsync(pparams);
pparams.status = PrintStatus_t.PRINT_BUSY;
return(PrintStatus_t.PRINT_READY);
}
catch (OutOfMemoryException e)
{
Console.WriteLine("Memory allocation failed during printing\n");
return(PrintStatus_t.PRINT_ERROR);
}
}
private void PrintWork(object sender, DoWorkEventArgs e)
{
PrintParams_t PParams = (PrintParams_t)e.Argument;
BackgroundWorker worker = sender as BackgroundWorker;
Print(PParams);
}
/* Main print entry point */
private void Print(PrintParams_t pparams)
{
XpsDocumentWriter docwrite = GetDocWriter(pparams.queu);
docwrite.WritingPrintTicketRequired +=
new WritingPrintTicketRequiredEventHandler(PrintTicket);
PrintPages(docwrite, pparams.fixdoc);
}
/* Callback */
private void PrintCompleted(object sender, RunWorkerCompletedEventArgs e)
{
PrintParams_t Value;
PrintEventArgs info;
PrintParams_t Params = (PrintParams_t)e.Result;
if (e.Cancelled)
{
info = new PrintEventArgs(PrintStatus_t.PRINT_READY, PrintResult_t.PrintCANCELLED, 100);
}
else
{
Value = (PrintParams_t)e.Result;
info = new PrintEventArgs(PrintStatus_t.PRINT_READY, PrintResult_t.PrintCOMPLETED, 100);
}
PrintUpdateMain(this, info);
}
/* Main print entry point */
private void Print(PrintParams_t pparams)
{
XpsDocumentWriter docwrite = GetDocWriter(pparams.queu);
docwrite.WritingPrintTicketRequired +=
new WritingPrintTicketRequiredEventHandler(PrintTicket);
PrintPages(docwrite, pparams.fixdoc);
}
public PrintStatus_t StartPrint(PrintParams_t pparams)
{
try
{
if (m_worker != null && m_worker.IsBusy)
{
m_worker.CancelAsync();
return PrintStatus_t.PRINT_BUSY;
}
if (m_worker == null)
{
Thread asyncThread = new Thread(PrintWorkThread);
asyncThread.SetApartmentState(ApartmentState.STA);
asyncThread.Start(pparams);
/* m_worker = new BackgroundWorker();
m_worker.WorkerReportsProgress = true;
m_worker.WorkerSupportsCancellation = true;
m_worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(PrintCompleted);
m_worker.ProgressChanged += new ProgressChangedEventHandler(PrintProgressChanged);
m_worker.DoWork += new DoWorkEventHandler(PrintWork);*/
}
////m_pparams = pparams;
//m_worker.RunWorkerAsync(pparams);
pparams.status = PrintStatus_t.PRINT_BUSY;
return PrintStatus_t.PRINT_READY;
}
catch (OutOfMemoryException e)
{
Console.WriteLine("Memory allocation failed during printing\n");
return PrintStatus_t.PRINT_ERROR;
}
}
public void PrintWorkThread(object data)
{
PrintParams_t PParams = (PrintParams_t)data;
Print(PParams);
}
