string BarcodeString = "13043404455";//條碼
  int ImgWidth = 520;
  int ImgHeight = 120;

  //打印按鈕
  private void button1_Click(object sender, EventArgs e)
  {
   //實例化打印對象
   PrintDocument printDocument1 = new PrintDocument();

   //設置打印用的紙張,可以自定義紙張的大小(單位：mm).  當打印高度不確定時也可以不設置
   //printDocument1.DefaultPageSettings.PaperSize = new PaperSize("Custum", 585, 800);

   //注冊PrintPage事件，打印每一頁時會觸發(fā)該事件
   printDocument1.PrintPage += new PrintPageEventHandler(this.printDocument1_PrintPage);

   //開始打印
   printDocument1.Print();

   //打印預覽
   //PrintPreviewDialog ppd = new PrintPreviewDialog();
   //ppd.Document = printDocument1;
   //ppd.ShowDialog();
  }


  //打印事件
  private void printDocument1_PrintPage(object sender, PrintPageEventArgs e)
  {
   StringBuilder sb = new StringBuilder();
   sb.Append("\r\n\r\n\r\n");
   sb.Append("*******興隆超市*******\r\n");
   sb.Append("品名-----數量-----價格\r\n");
   sb.Append("精品白沙 1  8元\r\n");
   sb.Append("張新發(fā)檳榔 1  10元\r\n");
   sb.Append("合計：  2  18元\r\n");
   sb.Append("---收銀員：張三---\r\n");
   sb.Append("---技術支持：李四---\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n");

   DrawPrint(e, sb.ToString(), BarcodeString, ImgWidth, ImgHeight);

  }

  /// <summary>
  /// 繪制打印內容
  /// </summary>
  /// <param name="e">PrintPageEventArgs</param>
  /// <param name="PrintStr">需要打印的文本</param>
  /// <param name="BarcodeStr">條碼</param>
  public void DrawPrint(PrintPageEventArgs e, string PrintStr, string BarcodeStr, int BarcodeWidth, int BarcodeHeight)
  {
   try
   {
    //繪制打印字符串
    e.Graphics.DrawString(PrintStr, new Font(new FontFamily("黑體"), 10), System.Drawing.Brushes.Black, 1, 1);

    if (!string.IsNullOrEmpty(BarcodeStr))
    {
     int PrintWidth = 175;
     int PrintHeight = 35;
     //繪制打印圖片
     e.Graphics.DrawImage(CreateBarcodePicture(BarcodeStr, BarcodeWidth, BarcodeHeight), 0, 0, PrintWidth, PrintHeight);
    }

   }
   catch (Exception ex)
   {
    MessageBox.Show(ex.ToString());
   }
  }



  /// <summary>
  /// 根據字符串生成條碼圖片( 需添加引用：BarcodeLib.dll )
  /// </summary>
  /// <param name="BarcodeString">條碼字符串</param>
  /// <param name="ImgWidth">圖片寬帶</param>
  /// <param name="ImgHeight">圖片高度</param>
  /// <returns></returns>
  public System.Drawing.Image CreateBarcodePicture(string BarcodeString, int ImgWidth, int ImgHeight)
  {
   BarcodeLib.Barcode b = new BarcodeLib.Barcode();//實例化一個條碼對象
   BarcodeLib.TYPE type = BarcodeLib.TYPE.CODE128;//編碼類型

   //獲取條碼圖片
   System.Drawing.Image BarcodePicture = b.Encode(type, BarcodeString, System.Drawing.Color.Black, System.Drawing.Color.White, ImgWidth, ImgHeight);

   //BarcodePicture.Save(@"D:\Barcode.jpg");

   b.Dispose();

   return BarcodePicture;
  }


  //預覽條碼
  private void button2_Click(object sender, EventArgs e)
  {
   pictureBox1.Image = CreateBarcodePicture(BarcodeString, ImgWidth, ImgHeight);
  }