public PrintProgressForm()
{
InitializeComponent();
this.CancelHandler = new SamplePrintCancel();
this.ProgressHandler = new SamplePrintProgress();
this.ProgressHandler.ProgressUI = this; // They need to know about one another
}
public static void PrintOnePDF(FileInfo finfo, SamplePrintCancel cancel, SamplePrintProgress progress)
{
try
{
progress.PrintingStarted = false; // Used to keep the Print Progress form hidden until printing begins
//
// This implements the core prep/actions related to printing (from DLE)
// In order to support GUI refresh they MUST occur on a background thread.
// Notifications related to Cancel and Print Progress all occur via callback, elsewhere.
//
using (Library lib = new Library())
using (Document doc = new Document(finfo.FullName))
{
using (PrintUserParams userParams = new PrintUserParams())
{
userParams.NCopies = 1;
if (userParams.PosePrintDialog(doc))
{
userParams.PrintParams.ShrinkToFit = true;
userParams.ShrinkToFit = userParams.PrintParams.ShrinkToFit;
userParams.PaperHeight = PrintUserParams.UseMediaBox;
userParams.PaperWidth = PrintUserParams.UseMediaBox;
// If you un-comment the file path (binding) below, DLE will print via the platform print driver to disk.
// The type of file produced when doing so (e.g., PS, PCL, PCLXL) depends upon the type of printer/driver.
//userParams.OutFileName = String.Format("{0}\\{1}.prn", finfo.Directory.FullName, System.IO.Path.GetFileNameWithoutExtension(finfo.FullName));
progress.NumPages = userParams.EndPage + 1; // important! (establishes the range of the page progress bar)
progress.PrintingStarted = true; // Just before print start, set this (so that the Print Progress form will show)
doc.Print(userParams, cancel, progress); // Long running activity (cancel and progress will update via callback, elsewhere)
}
}
}
}
catch (Exception ex)
{ // Some PDFs won't print (for various reasons). All code should be written to expect failure (never assume success by default).
Console.WriteLine("Exception when printing...{0}{1}", Environment.NewLine, ex.Message);
}
finally
{ // Tell the Print Progress form we're done...
progress.ReportProgressDone();
}
}