public void Run(Pages pages, PageOrientation pageOrientation)
{
_pages = pages;
PrintOperation printOperation = null;
try
{
printOperation = new PrintOperation();
printOperation.Unit = Unit.Points;
printOperation.UseFullPage = true;
printOperation.DefaultPageSetup = new PageSetup();
printOperation.DefaultPageSetup.Orientation = pageOrientation;
printOperation.BeginPrint += HandlePrintBeginPrint;
printOperation.DrawPage += HandlePrintDrawPage;
printOperation.Run(PrintOperationAction.PrintDialog, null);
}
catch (Exception e) when(e.Message == "Error from StartDoc")
{
_logger.Debug("Операция печати отменена");
}
finally
{
if (printOperation != null)
{
printOperation.BeginPrint -= HandlePrintBeginPrint;
printOperation.DrawPage -= HandlePrintDrawPage;
printOperation.Dispose();
}
}
}
private static void Print(string printer, UserPrintSettings userPrintSettings, Pages pages, bool isWindowsOs)
{
void HandlePrintBeginPrint(object o, BeginPrintArgs args)
{
var printing = (PrintOperation)o;
printing.NPages = pages.Count;
}
void HandlePrintDrawPage(object o, DrawPageArgs args)
{
using (Cairo.Context g = args.Context.CairoContext)
{
var render = new RenderCairo(g);
render.RunPage(pages[args.PageNr]);
}
}
PrintOperation printOperation = null;
PrintOperationResult result;
try
{
printOperation = new PrintOperation();
printOperation.Unit = Unit.Points;
printOperation.UseFullPage = true;
printOperation.AllowAsync = true;
printOperation.PrintSettings = new PrintSettings
{
Printer = printer,
Orientation = (PageOrientation)Enum.Parse(typeof(PageOrientation), userPrintSettings.PageOrientation.ToString()),
NCopies = (int)userPrintSettings.NumberOfCopies
};
printOperation.BeginPrint += HandlePrintBeginPrint;
printOperation.DrawPage += HandlePrintDrawPage;
result = printOperation.Run(PrintOperationAction.Print, null);
}
catch (Exception e) when(e.Message == "Error from StartDoc")
{
result = PrintOperationResult.Cancel;
_logger.Debug("Операция печати отменена");
}
finally
{
if (printOperation != null)
{
printOperation.BeginPrint -= HandlePrintBeginPrint;
printOperation.DrawPage -= HandlePrintDrawPage;
printOperation.Dispose();
}
}
if (isWindowsOs && new[] { PrintOperationResult.Apply, PrintOperationResult.InProgress }.Contains(result))
{
ShowPrinterQueue(printer);
}
}
void HandlePrintEndPrint(object o, EndPrintArgs args)
{
ReportPrinted?.Invoke(this, EventArgs.Empty);
printing.BeginPrint -= HandlePrintBeginPrint;
printing.DrawPage -= HandlePrintDrawPage;
printing.EndPrint -= HandlePrintEndPrint;
printing.Dispose();
}
public void Dispose()
{
printOperation.Dispose();
}