/// <summary>
/// Export the given report as an EMF (Enhanced Metafile) file.
/// </summary>
/// <param name="report">The local report instance.</param>
/// <param name="pageSettings">The page setting.</param>
/// <returns>Returns true if success.</returns>
private bool Export(LocalReport report, LocalReportPageSettings pageSettings)
{
MethodBase med = MethodBase.GetCurrentMethod();
string deviceInfo = string.Empty;
LocalReportPageSettings pgSettings = pageSettings;
if (null == pgSettings)
{
pgSettings = new LocalReportPageSettings();
}
_ps = pgSettings;
string pageTags = string.Empty;
if (pageSettings.FromPage != -1 && pageSettings.ToPage != -1)
{
string pageTagsFmt = string.Empty;
pageTagsFmt += "<StartPage>{0}</StartPage>";
pageTagsFmt += "<EndPage>{1}</EndPage>";
pageTags = string.Format(pageTagsFmt,
pageSettings.FromPage, pageSettings.ToPage);
}
string deviceInfofmt =
"<DeviceInfo>" +
" <OutputFormat>EMF</OutputFormat>" +
" <PageWidth>{0}in</PageWidth>" +
" <PageHeight>{1}in</PageHeight>" +
" <MarginTop>{2}in</MarginTop>" +
" <MarginLeft>{3}in</MarginLeft>" +
" <MarginRight>{4}in</MarginRight>" +
" <MarginBottom>{5}in</MarginBottom>" +
//" <DpiX>{6}</DpiX>" +
//" <DpiY>{7}</DpiY>" +
//" <PrintDpiX>{8}</PrintDpiX>" +
//" <PrintDpiY>{9}</PrintDpiY>" +
pageTags +
"</DeviceInfo>";
deviceInfo = string.Format(deviceInfofmt,
pgSettings.PageWidth,
pgSettings.PageHeight,
pgSettings.MarginTop,
pgSettings.MarginLeft,
pgSettings.MarginRight,
pgSettings.MarginBottom //,
//pgSettings.DpiX,
//pgSettings.DpiY,
//pgSettings.PrintDpiX,
//pgSettings.PrintDpiY
);
try
{
FreeStreams(); // Free exist image streams.
Warning[] warnings;
m_streams = new List <Stream>();
report.Render("Image", deviceInfo, CreateStream, out warnings);
foreach (Stream stream in m_streams)
{
stream.Position = 0;
}
}
catch (Exception ex)
{
med.Err(ex);
RdlcMessageService.Instance.SendMessage(ex.ToString());
FreeStreams();
}
return(true);
}
/// <summary>
/// Print.
/// </summary>
/// <param name="report"></param>
/// <param name="printerName"></param>
/// <param name="pageSettings"></param>
/// <param name="noOfCopies"></param>
/// <returns></returns>
public bool Print(LocalReport report, string printerName,
LocalReportPageSettings pageSettings, short noOfCopies = 1)
{
RdlcMessageService.Instance.SendMessage("Begin Render/Print process");
MethodBase med = MethodBase.GetCurrentMethod();
bool result = false;
if (!Export(report, pageSettings))
{
RdlcMessageService.Instance.SendMessage("Cannot Render output.");
return(result);
}
else
{
RdlcMessageService.Instance.SendMessage("Render output completed.");
}
string sPrinterName = printerName;
//const string printerName = "Microsoft Office Document Image Writer";
if (m_streams == null || m_streams.Count == 0)
{
return(result);
}
PrintDocument printDoc = new PrintDocument();
if (!string.IsNullOrWhiteSpace(sPrinterName))
{
printDoc.PrinterSettings.PrinterName = sPrinterName;
RdlcMessageService.Instance.SendMessage("Target Printer : " + printerName);
}
else
{
// It's should used default printer.
RdlcMessageService.Instance
.SendMessage("Not specificed printer name so Default printer should be used instead.");
}
if (!printDoc.PrinterSettings.IsValid)
{
string msg = String.Format(
"Can't find printer \"{0}\".", printerName);
med.Err(msg);
RdlcMessageService.Instance.SendMessage(msg);
return(result);
}
// Set land scape.
printDoc.DefaultPageSettings.Landscape = pageSettings.Landscape;
// Set No of Copies.
printDoc.DefaultPageSettings.PrinterSettings.Copies = noOfCopies;
// Set From Page/To Page.
//if (pageSettings.FromPage != -1)
// printDoc.DefaultPageSettings.PrinterSettings.FromPage = pageSettings.FromPage;
//if (pageSettings.ToPage != -1)
// printDoc.DefaultPageSettings.PrinterSettings.ToPage = pageSettings.ToPage;
// Hook handlers
printDoc.PrintPage += new PrintPageEventHandler(PrintPage);
try
{
//for (int i = 0; i < noOfCopies; ++i)
{
m_currentPageIndex = 0; // Reset print index.
printDoc.Print();
}
// print OK.
result = true;
}
catch (Exception ex)
{
med.Err(ex);
RdlcMessageService.Instance.SendMessage(ex.ToString());
}
finally
{
FreeStreams();
}
RdlcMessageService.Instance.SendMessage("End Render/Print process");
return(result);
}
