C# 中打印、预览、打印机设置和打印属性的方法

 private void Form1_Load(object sender, System.EventArgs e)
  {
   //获取或设置一个值，该值指示是否发送到文件或端口
   printDocument1.PrinterSettings.PrintToFile = true;
   //设置打印时横向还是纵向
   printDocument1.DefaultPageSettings.Landscape = true;
  }
  private void fileOpenMenuItem_Click(object sender, System.EventArgs e)
  {
   OpenFile();
  }
  private void OpenFile()
  {
   openFileDialog1.Filter = "Text Files (*.txt)|*.txt";//打开文本的类型
   //获取文件对话框的初始目录（StartupPath）获得bin文件下的文件
   openFileDialog1.InitialDirectory = System.Windows.Forms.Application.StartupPath;
   DialogResult userResponse = openFileDialog1.ShowDialog();
   //MessageBox.Show(userResponse.ToString());
   if (userResponse==DialogResult.OK)
   {
    filePath = openFileDialog1.FileName.ToString();//转换文件路径
   }
  }
  private void MyPrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
   //充分利用e
  {
   
   int topMargin = printDocument1.DefaultPageSettings.Margins.Top;//上边距
   int leftMargin = printDocument1.DefaultPageSettings.Margins.Left;//左边距
   float linesPerPage = 0;//页面行号
   float verticalPosition = 0;//绘制字符串的纵向位置
   float horizontalPosition=leftMargin;//左边距
   string textLine = null;//行字符串
   currentLine = 0;//行计数器
//   float Xline=0;
   //int line=0;
   // Calculate the number of lines per page.
   linesPerPage = e.MarginBounds.Height / myFont.GetHeight(e.Graphics);
//   Xline=e.MarginBounds.Width/myFont.GetHeight();
   
            // for each text line that will fit on the page, read a new line from the document
   while (currentLine < linesPerPage )
   {
    textLine = streamToPrint.ReadLine();
    if(textLine == null)
    {
     break;
    }
    // 求出已经打印的范围
    
    verticalPosition = topMargin + currentLine * myFont.GetHeight(e.Graphics);
    // 设置页面的属性
    e.Graphics.DrawString(textLine, myFont, myBrush, horizontalPosition, verticalPosition);
    // 增加行数
    currentLine ++;
    
   }
   // If more lines of text exist in the file, print another page.
   if (textLine != null)
   {
    e.HasMorePages = true;
   }
   else
   {
    e.HasMorePages = false;
   }
  }
  private void printPreviewButton_Click(object sender, System.EventArgs e)
  {
   try
   {
    streamToPrint = new StreamReader(filePath);
    try
    {
     PrintPreview();
    }
    finally
    {
     streamToPrint.Close();
    }
   }
   catch(Exception ex)
   {
    MessageBox.Show(ex.Message);
   }
  }
  private void runtimeDialogButton_Click(object sender, System.EventArgs e)
  {
   try
   {
    streamToPrint = new StreamReader(filePath);
    try
    {
     RuntimeDialog();
    }
    finally
    {
     streamToPrint.Close();
    }
   }
   catch(Exception ex)
   {
    MessageBox.Show(ex.Message);
   }
  }
  private void printPreviewControlButton_Click(object sender, System.EventArgs e)
  {
   try
   {
    streamToPrint = new StreamReader(filePath);
    try
    {
     PrintPreviewControl();
    }
    finally
    {
     streamToPrint.Close();
    }
   }
   catch(Exception ex)
   {
    MessageBox.Show(ex.Message);
   }
  } 
  private void RuntimeDialog()
  {
   PrintPreviewDialog pPDlg;
   pPDlg = new PrintPreviewDialog();
   pPDlg.Document = pDoc;
   pPDlg.WindowState = FormWindowState.Maximized;
   pPDlg.PrintPreviewControl.Columns = 2;
   pPDlg.ShowDialog();
   pPDlg.Dispose();
  }
  private void PrintPreviewControl()
  {
   Form formPreview = new Form();
   PrintPreviewControl previewControl = new PrintPreviewControl();
   previewControl.Document = printDocument1;
   previewControl.StartPage = 2;
   formPreview.WindowState = FormWindowState.Maximized;
   formPreview.Controls.Add(previewControl);
   formPreview.Controls[0].Dock = DockStyle.Fill;
   formPreview.ShowDialog();
   formPreview.Dispose();
  }
  
  private void PrintPreview()
  {
   //设置页面的预览的页码
   //设置显示页面显示的大小(也就是原页面的倍数)
   printPreviewDialog1.PrintPreviewControl.StartPage = 0;
   printPreviewDialog1.PrintPreviewControl.Zoom =1.0;
   //设置或返回窗口状态，即该窗口是最小化、正常大小还是其他状态。
            printPreviewDialog1.WindowState = FormWindowState.Maximized;
            //设置和获取需要预览的文档
   //将窗体显示为指定者的模式对话框
   printPreviewDialog1.Document = printDocument1;
   printPreviewDialog1.ShowDialog();
  }
  private void PrintDoc()
  {
   printDialog1.Document = printDocument1;
   DialogResult userResPonse= printDialog1.ShowDialog();
   if(userResPonse==DialogResult.OK)
   {
    printDocument1.Print();
   }
  }
  //获取打印机的设置和打印的属性
  private void button1_Click(object sender, System.EventArgs e)
  {
   try
   {
    streamToPrint=new StreamReader(filePath);
    try
    {
     PrintDoc();
     }
    catch{}
   }
   catch(Exception ex)
   {
    MessageBox.Show(ex.Message);
   }
   finally
   {
    streamToPrint.Close();
   }
  
  }
 }
}

作者: 明天会怎样 发表于 2011-10-08 14:21 原文链接

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