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;private DataTable LoadSalesData(){DataSet dataSet = new DataSet();dataSet.ReadXml(@"c:\My Reports\data.xml");return dataSet.Tables[0];}private Stream CreateStream(string name, string fileNameExtension, Encoding encoding,string mimeType, bool willSeek){　　　　

//string strPath = @"D:\Report\";
//if (System.IO.Directory.Exists(strPath) == false)
//{
// System.IO.Directory.CreateDirectory(strPath);
//}
//string filenameext = DateTime.Now.Year.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString();
//string strFile = strPath + filenameext + name + "." + fileNameExtension;
//Stream stream = new FileStream(strFile, FileMode.Create);
//m_streams.Add(stream);
//return stream;

Stream stream = new FileStream(@"c:\My Reports\" + name + "." + fileNameExtension, FileMode.Create);m_streams.Add(stream);return stream;}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;}private void PrintPage(object sender, PrintPageEventArgs ev){Metafile pageImage = new Metafile(m_streams[m_currentPageIndex]);ev.Graphics.DrawImage(pageImage, ev.PageBounds);m_currentPageIndex++;ev.HasMorePages = (m_currentPageIndex < m_streams.Count);}private void Print(){

　　

//if (m_streams == null || m_streams.Count == 0)
// return;
//PrintDocument printDoc = new PrintDocument();

//if (!printDoc.PrinterSettings.IsValid)
//{
// string msg = String.Format("Can't find printer \"{0}\".", "默认打印机!");
// MessageBox.Show(msg, "找不到默认打印机");
// return;
//}
//printDoc.PrintPage += new PrintPageEventHandler(PrintPage);
//printDoc.Print();

const string printerName = "Microsoft Office Document Image Writer";if (m_streams == null || m_streams.Count == 0)return;PrintDocument printDoc = new PrintDocument();printDoc.PrinterSettings.PrinterName = printerName;if (!printDoc.PrinterSettings.IsValid){string msg = String.Format("Can't find printer \"{0}\".", printerName);MessageBox.Show(msg, "Print Error");return;}printDoc.PrintPage += new PrintPageEventHandler(PrintPage);printDoc.Print();}private void Run(){LocalReport report = new LocalReport();report.ReportPath = @"c:\My Reports\Report.rdlc";report.DataSources.Add(new ReportDataSource("Sales", LoadSalesData()));Export(report);m_currentPageIndex = 0;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();}}
}