private void PrintProgress(object printHelper, gsPrintEventArgs Information)
{
switch (Information.Status)
{
case PrintStatus_t.PRINT_ERROR:
case PrintStatus_t.PRINT_CANCELLED:
case PrintStatus_t.PRINT_READY:
case PrintStatus_t.PRINT_DONE:
System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Normal, new Action(() =>
{
if (File.Exists(Information.FileName))
{
DeleteTempFile(Information.FileName);
}
System.Windows.Application.Current.Shutdown();
}));
break;
case PrintStatus_t.PRINT_BUSY:
System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Normal, new Action(() =>
{
m_printstatus.xaml_PrintProgress.Value = 100.0 * (double)(Information.Page - Information.PageStart) / (double)Information.NumPages;
if (Information.Page == Information.NumPages)
{
m_printstatus.xaml_PrintProgress.Visibility = System.Windows.Visibility.Collapsed;
}
}));
break;
}
}
/* Done */
private void AsyncCompleted(object sender, WritingCompletedEventArgs e)
{
PrintStatus_t status;
if (e.Cancelled)
{
status = PrintStatus_t.PRINT_CANCELLED;
}
else if (e.Error != null)
{
status = PrintStatus_t.PRINT_ERROR;
}
else
{
status = PrintStatus_t.PRINT_READY;
}
if (PrintUpdate != null)
{
gsPrintEventArgs info = new gsPrintEventArgs(status, true, 0,
this.m_first_page, this.m_num_pages, this.m_filename);
PrintUpdate(this, info);
}
m_busy = false;
}
public void Done()
{
gsPrintEventArgs info = new gsPrintEventArgs(PrintStatus_t.PRINT_DONE,
true, 0, 0, 0, this.m_filename);
PrintUpdate(this, info);
m_busy = false;
}
/* Do this update with each fixed document (page) that is handled */
private void AsyncProgress(object sender, WritingProgressChangedEventArgs e)
{
if (PrintUpdate != null)
{
gsPrintEventArgs info = new gsPrintEventArgs(PrintStatus_t.PRINT_BUSY,
false, e.Number, this.m_first_page, this.m_num_pages,
this.m_filename);
PrintUpdate(this, info);
}
}
private void PrintProgress(object printHelper, gsPrintEventArgs Information)
{
switch (Information.Status)
{
case PrintStatus_t.PRINT_ERROR:
System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Normal, new Action(() =>
{
ShowMessage(NotifyType_t.MESS_ERROR, "Printer Driver Error");
m_printstatus.xaml_PrintProgress.Visibility = System.Windows.Visibility.Collapsed;
m_viewer_state = ViewerState_t.DOC_OPEN;
this.Close();
}));
break;
case PrintStatus_t.PRINT_CANCELLED:
case PrintStatus_t.PRINT_READY:
System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Normal, new Action(() =>
{
m_printstatus.xaml_PrintProgress.Visibility = System.Windows.Visibility.Collapsed;
m_viewer_state = ViewerState_t.DOC_OPEN;
this.Close();
}));
break;
case PrintStatus_t.PRINT_DONE:
System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Normal, new Action(() =>
{
m_printstatus.xaml_PrintProgress.Visibility = System.Windows.Visibility.Collapsed;
DeleteTempFile(Information.FileName);
m_viewer_state = ViewerState_t.DOC_OPEN;
this.Close();
}));
break;
case PrintStatus_t.PRINT_BUSY:
System.Windows.Application.Current.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Normal, new Action(() =>
{
m_printstatus.xaml_PrintProgress.Value = 100.0 * (double)(Information.Page - Information.PageStart) / (double)Information.NumPages;
if (Information.Page == Information.NumPages)
{
m_printstatus.xaml_PrintProgress.Visibility = System.Windows.Visibility.Collapsed;
}
}));
break;
}
}
/* Send it */
private void PrintPages(XpsDocumentWriter xpsdw, FixedDocument fixdoc,
bool print_all, int from, int to, PrintTicket Ticket)
{
m_docWriter = xpsdw;
xpsdw.WritingCompleted +=
new WritingCompletedEventHandler(AsyncCompleted);
xpsdw.WritingProgressChanged +=
new WritingProgressChangedEventHandler(AsyncProgress);
DocumentPaginator paginator = fixdoc.DocumentPaginator;
try
{
if (print_all)
{
m_first_page = 1;
m_num_pages = paginator.PageCount;
xpsdw.Write(paginator, Ticket);
}
else
{
/* Create an override paginator to pick only the pages we want */
GSDocumentPaginator gspaginator =
new GSDocumentPaginator(paginator, from, to);
m_first_page = from;
m_num_pages = paginator.PageCount;
xpsdw.Write(gspaginator, Ticket);
}
}
catch (Exception)
{
/* Something went wrong with this particular print driver
* simply notify the user and clean up everything */
gsPrintEventArgs info = new gsPrintEventArgs(PrintStatus_t.PRINT_ERROR,
false, 0, this.m_first_page, this.m_num_pages, this.m_filename);
PrintUpdate(this, info);
return;
}
}
