private Stream CreateStream(string name, string fileNameExtension, Encoding encoding, string mimeType, bool willSeek) { Stream stream = new MemoryStream(); m_streams.Add(stream); return stream; } // Export the given report as an EMF (Enhanced Metafile) file. private void Export(LocalReport report) { string deviceInfo = @"<DeviceInfo> <OutputFormat>EMF</OutputFormat> <PageWidth>8.27in</PageWidth> <PageHeight>11.69in</PageHeight> <MarginTop>0.25in</MarginTop> <MarginLeft>0.25in</MarginLeft> <MarginRight>0.25in</MarginRight> <MarginBottom>0.25in</MarginBottom> </DeviceInfo>"; Warning[] warnings; m_streams = new List<Stream>(); report.Render("Image", deviceInfo, CreateStream, out warnings); foreach (Stream stream in m_streams) stream.Position = 0; } // Handler for PrintPageEvents private void PrintPage(object sender, PrintPageEventArgs ev) { Metafile pageImage = new Metafile(m_streams[m_currentPageIndex]); // Adjust rectangular area with printer margins. Rectangle adjustedRect = new Rectangle( ev.PageBounds.Left - (int)ev.PageSettings.HardMarginX, ev.PageBounds.Top - (int)ev.PageSettings.HardMarginY, ev.PageBounds.Width, ev.PageBounds.Height); // Draw a white background for the report ev.Graphics.FillRectangle(Brushes.White, adjustedRect); // Draw the report content ev.Graphics.DrawImage(pageImage, adjustedRect); // Prepare for the next page. Make sure we haven't hit the end. m_currentPageIndex++; ev.HasMorePages = (m_currentPageIndex < m_streams.Count); } private void Print() { if (m_streams == null || m_streams.Count == 0) throw new Exception("Error: no stream to print."); PrintDocument printDoc = new PrintDocument(); if (!printDoc.PrinterSettings.IsValid) { throw new Exception("Error: cannot find the default printer."); } else { printDoc.PrintPage += new PrintPageEventHandler(PrintPage); m_currentPageIndex = 0; printDoc.Print(); } } // Create a local report for Report.rdlc, load the data, // export the report to an .emf file, and print it. private void Run() { LocalReport report = new LocalReport(); report.ReportPath = @"Doctor_form.rdlc"; Export(report); Print(); } protected void print_Click1(object sender, EventArgs e) { LocalReport report = new LocalReport(); report.ReportPath = @"Doctor_form.rdlc"; report.SetParameters(parameters); Export(report); Print();}
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