无预览打印本地报告 - 超出流大小或GDI + C＃中发生一般错误

Question

我正在使用this文章将我的rdlc直接打印到打印机但是当我试图通过传递Metafile来创建stream对象时它给了我错误。（GDI +中发生一般错误）

码：

 using System;
    using System.IO;
    using System.Data;
    using System.Text;
    using System.Drawing.Imaging;
    using System.Drawing.Printing;
    using System.Collections.Generic;
    using System.Windows.Forms;
    using Microsoft.Reporting.WinForms;

    public class Demo : IDisposable
    {
        private int m_currentPageIndex;
        private IList<Stream> m_streams;

        // Routine to provide to the report renderer, in order to
        //    save an image for each page of the report.
 private Stream CreateStream(string name, string fileNameExtension, Encoding encoding, string mimeType, bool willSeek)
        {
            DataSet ds = new DataSet();
            ds.Tables.Add(dsData.Tables[0].Copy());
            using (MemoryStream stream = new MemoryStream())
            {
                IFormatter bf = new BinaryFormatter();
                ds.RemotingFormat = SerializationFormat.Binary;
                bf.Serialize(stream, ds);
                data = stream.ToArray();
            }

            Stream stream1 = new MemoryStream(data);
            m_streams.Add(stream1);
            return stream1;
        }
        // Export the given report as an EMF (Enhanced Metafile) file.
        private void Export(LocalReport report)
        {
            string deviceInfo =
              @"<DeviceInfo>
                    <OutputFormat>EMF</OutputFormat>
                    <PageWidth>8.5in</PageWidth>
                    <PageHeight>11in</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();
           LocalReport report = new LocalReport();
            report.ReportPath = @"ReportsInvoiceReportTest.rdlc";
            report.DataSources.Add(
               new ReportDataSource("DataSet1", dsPrintDetails));
            Export(report);
            Print();
        }

        public void Dispose()
        {
            if (m_streams != null)
            {
                foreach (Stream stream in m_streams)
                    stream.Close();
                m_streams = null;
            }
        }

        public static void Main(string[] args)
        {
            using (Demo demo = new Demo())
            {
                demo.Run();
            }
        }
    }

当流大小超过或rdlc静态内容更多时，它会给我错误。

我用来创建它的流的数据集是：

我不知道静态内容是否不应该影响流大小但是如果我从rdlc中删除一些内容但是当我添加它再次抛出错误（GDI +中发生一般错误）时它不会给我任何错误

Answer 1

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