高分求救！！printdocument实例

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Drawing.Printing;
namespace testApplication1
{
public class preview : Form
{
private RichTextBox richTextBox1 ;
private Button button1;
private Button button2;
private Button button3;
private Button button4;
private Button button5;
private OpenFileDialog openFileDialog1;
private SaveFileDialog saveFileDialog1;
private PrintDialog printDialog1;
private PrintDocument ThePrintDocument;
private PrintPreviewDialog printPreviewDialog1;
private StringReader myReader;
private System.ComponentModel.Container components = null;

public preview ()
{
InitializeComponent();
}
protected override void Dispose (bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
} private void InitializeComponent()
{
richTextBox1 = new RichTextBox ();
button1 = new Button();
button2 = new Button();
button3 = new Button();
button4 = new Button();
button5 = new Button();
saveFileDialog1 = new SaveFileDialog();
openFileDialog1 = new OpenFileDialog();
printPreviewDialog1 = new PrintPreviewDialog();
printDialog1 = new PrintDialog () ;
ThePrintDocument = new PrintDocument();
ThePrintDocument.PrintPage += new PrintPageEventHandler (ThePrintDocument_PrintPage);
SuspendLayout();
richTextBox1.Anchor = AnchorStyles.None;
richTextBox1.Name = "richTextBox1";
richTextBox1.Size = new Size(448,280);
richTextBox1.TabIndex = 0;
richTextBox1.Text = "";
button1.Anchor = AnchorStyles.None;
button1.Location = new Point(41,289);
button1.Name = "button1";
button1.Size = new Size (48,30);
button1.TabIndex = 1;
button1.Text = "open";
button1.Click += new System.EventHandler(button1_Click);
button2.Anchor = AnchorStyles.None;
button2.Location = new Point(274,288);
button2.Name = "button2";
button2.Size = new Size(48,30);
button2.TabIndex = 4;
button2.Text = "preview";
button2.Click += new System.EventHandler(button2_Click);
button3.Anchor = AnchorStyles.None;
button3.Location = new Point(108,288);
button3.Name = "button3" ;
button3.Size = new Size(48,30);
button3.TabIndex = 2 ;
button3.Text = "save" ;
button3.Click += new System.EventHandler(button3_Click);
button4.Anchor = AnchorStyles.None;
button4.Location = new Point(174,288);
button4.Name = "button4";
button4.Size = new Size(80,30);
button4.TabIndex = 3;
button4.Text = "setupprinter";
button4.Click += new System.EventHandler(button4_Click);
button5.Anchor = AnchorStyles.None;
button5.Location = new Point(345,288);
button5.Name = "button5";
button5.Size = new Size(48,30);
button5.TabIndex = 5;
button5.Text = "print";
button5.Click += new System.EventHandler(button5_Click);
saveFileDialog1.DefaultExt = "*.txt";
saveFileDialog1.FileName = "file.txt";
saveFileDialog1.InitialDirectory = "c:\\";
saveFileDialog1.Title = "save other";
openFileDialog1.DefaultExt = "*.txt";
openFileDialog1.FileName = "file.txt";
openFileDialog1.InitialDirectory = "c:\\";
openFileDialog1.Title = "open txt file";
AutoScaleBaseSize = new Size(6,14);
ClientSize = new Size(448,325);
this.Controls.Add(button1);
this.Controls.Add(button2);
this.Controls.Add(button3);
this.Controls.Add(button4);
this.Controls.Add(button5);
this.Controls.Add(richTextBox1);

this.MaximizeBox = false;
this.Name = "Form1";
this.Text = "C#process file";
this.ResumeLayout(false);
}

namespace Skyiv
{
  using System;
  using System.Data;
  using System.Drawing;
  using System.Windows.Forms;
  using System.Drawing.Printing;  class PrintBill : PrintDocument
  {
    public    DataTable       dtUser;                    // 要打印的用户信息数据表
    public    DataTable       dtBill;                    // 要打印的对帐单数据表
    protected PageSetupDialog setdlg;                    // 页面设置对话框    int iPageNo;                                         // 当前页号
    int iStart;                                          // dtBill的起始行
    int iEnd;                                            // dtBill的结束行
    int iCurrent;                                        // dtBill的当前行    // 构造函数
    public PrintBill()
    {
      DocumentName = Pub.softName;
      PrinterSettings.PrinterName = Pub.PrinterName;
      DefaultPageSettings.Margins = new Margins(10,10,10,10);      setdlg              = new PageSetupDialog();
      setdlg.Document     = this;
    }    // 打印开始时
    protected override void OnBeginPrint(PrintEventArgs pea)
    {
      base.OnBeginPrint(pea);      iPageNo  = 0;
      iCurrent = iStart;
    }    // 打印每一页时
    protected override void OnPrintPage(PrintPageEventArgs ppea)
    {
      base.OnPrintPage(ppea);      Graphics g   = ppea.Graphics;
      g.PageUnit   = GraphicsUnit.Inch;
      g.PageScale  = 0.01F;
      Rectangle mb = ppea.MarginBounds;      float cx0   = mb.Width;
      float cy0   = mb.Height;
      float cx    = 960;
      float cy    = cy0 * cx / cx0;
      g.TranslateTransform(mb.Left, mb.Top);
      g.PageScale /= (cx / cx0);
      PaintPage(g, cx, cy);
      ++iPageNo;
      ppea.HasMorePages = (iCurrent < iEnd);
    }    float  [] x  = { 0,40,130,210,290,370,450,530,610,690,770,850,930 };
    float  [] y  = { 0,45,65,90 };
    float     dy = 25;                                     // 每行高度    // 具体画每一页
    void PaintPage(Graphics g, float cx, float cy)
    {
      Font      f0 = new Font("宋体", 24, GraphicsUnit.Pixel);
      Font       f = new Font("宋体", 13, GraphicsUnit.Pixel);
      SolidBrush b = new SolidBrush(Pub.clrPrint);
      Pen        p = new Pen(Pub.clrPrint);
      StringFormat sf  = new StringFormat();
      sf.Alignment     = StringAlignment.Center;
      sf.LineAlignment = StringAlignment.Center;      // ...
    }    // 属性: 开始行
    public int RowStart
    {
      get { return iStart;  }
      set { iStart = value; }
    }    // 属性: 结束行
    public int RowEnd
    {
      get { return iEnd;  }
      set { iEnd = value; }
    }    // 只读属性: 页面设置对话框
    public PageSetupDialog PageSetupDlg
    {
      get { return setdlg; }
    }
  }
}

private void button1_Click (object sender,System.EventArgs e)
{
try
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
FileStream fs = new FileStream (openFileDialog1.FileName,FileMode.Open,FileAccess.Read);
StreamReader m_streamReader = new StreamReader(fs);
m_streamReader.BaseStream.Seek(0,SeekOrigin.Begin );
this.richTextBox1.Text = "";
string strLine = m_streamReader.ReadLine();
while (strLine != null)
{
this.richTextBox1.Text += strLine + "\n";
strLine = m_streamReader.ReadLine();
}
m_streamReader.Close();
}
}
catch (Exception em)
{
Console.WriteLine(em.Message.ToString()) ;
}

}

private void button3_Click (object sender,System.EventArgs e)
{
try
{
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
FileStream fs = new FileStream (@saveFileDialog1.FileName,FileMode.OpenOrCreate , FileAccess.Write ) ;
StreamWriter m_streamWriter = new StreamWriter(fs) ;
m_streamWriter.Flush ();
m_streamWriter.BaseStream.Seek (0,SeekOrigin.Begin);
                           m_streamWriter.Write (richTextBox1.Text);
                            m_streamWriter.Flush ();
m_streamWriter.Close ();
}
}
catch (Exception em)
{
Console.WriteLine (em.Message.ToString()) ;
}
}

private void button4_Click (object sender,System.EventArgs e)
{
printDialog1.Document = ThePrintDocument;
printDialog1.ShowDialog ();
}private void button2_Click (object sender,System.EventArgs e)
{
try
{
PrintPreviewDialog printPreviewDialog1 = new PrintPreviewDialog();
printPreviewDialog1.Document = ThePrintDocument;
printPreviewDialog1.FormBorderStyle = FormBorderStyle.Fixed3D;
printPreviewDialog1.ShowDialog();
}
catch(Exception exp)
{
Console.WriteLine(exp.Message.ToString());
}
}private void button5_Click ( object sender , System.EventArgs e )
{
printDialog1.Document = ThePrintDocument ;
if ( printDialog1.ShowDialog () == DialogResult.OK )
{
ThePrintDocument.Print();
}
}
protected void ThePrintDocument_PrintPage ( object sender , PrintPageEventArgs ev )
{
string strText = richTextBox1.Text ;
myReader = new StringReader(strText);
float linesPerPage = 0 ;
float yPosition = 0 ;
int count = 0 ;
float leftMargin = ev.MarginBounds.Left ;
float topMargin = ev.MarginBounds.Top ;
string line = null ;
Font printFont = richTextBox1.Font ;
SolidBrush myBrush = new SolidBrush ( Color.Black ) ;
linesPerPage = ev.MarginBounds.Height / printFont.GetHeight ( ev.Graphics ) ;
while ( count < linesPerPage && ( ( line = myReader.ReadLine ( ) ) != null ) )
{
yPosition = topMargin + ( count * printFont.GetHeight ( ev.Graphics ) ) ;
ev.Graphics.DrawString(line,printFont,myBrush,leftMargin,yPosition,new StringFormat ( ) ) ;
count++ ;
}
if ( line != null )
ev.HasMorePages = true ;
else
ev.HasMorePages = false ;
myBrush.Dispose();
}
}
}

private void Form1_Load(object sender, System.EventArgs e)
        {
            System.Drawing.Printing.PrintDocument doc = new System.Drawing.Printing.PrintDocument();
            PrintPreviewDialog prvDlg = new PrintPreviewDialog();
            prvDlg.Document = doc;
            doc.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(doc_PrintPage);
            (prvDlg as Form).WindowState = FormWindowState.Maximized;
            prvDlg.ShowDialog();


        }        void doc_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {

            e.Graphics.DrawString("This is test String", this.Font, new SolidBrush(Color.Blue), 10, 10);
        }

[email protected]这个是我的邮箱，能不能发一个到实例到我的邮箱里呀，我把代码贴上去还是不能运行呀

调试易

高分求救！！printdocument实例

解决方案 »