谁有打印的例程？

Question

c#打印源代码
using System.Collections; 
using System.ComponentModel; 
using System.Drawing; 
using System.Drawing.Printing; 
using System.Data; 
using System.Windows.Forms; namespace WindowsApplication1 
{ 
     /**//// <summary> 
     /// Summary description for DatagridPrint. 
     /// </summary> 
     public class DatagridPrint 
     { 
         private DataGrid dataGrid; 
         private PrintDocument printDocument; 
         private PageSetupDialog pageSetupDialog; 
         private PrintPreviewDialog printPreviewDialog;          public DatagridPrint(DataGrid dataGrid) 
         { 
             this.dataGrid = dataGrid; 
             printDocument = new PrintDocument(); 
             printDocument.PrintPage += new PrintPageEventHandler(this.printDocument_PrintPage); 
         }          private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e) 
         { 
             int rowCount = 0; 
             int colCount = 0; 
             int x = 0; 
             int y = 0; 
             int rowGap = 20; 
             int colGap = 5; 
             int leftMargin = 50; 
             Font font = new Font("Arial", 10); 
             Font headingFont = new Font("Arial", 11, FontStyle.Underline); 
             Font captionFont = new Font("Arial", 10, FontStyle.Bold); 
             Brush brush = new SolidBrush(Color.Black); 
             string cellValue = "";              if(dataGrid.DataSource.GetType().ToString() == "System.Data.DataTable") 
             { 
                 rowCount = ((DataTable)dataGrid.DataSource).Rows.Count; 
             } 
             else if(dataGrid.DataSource.GetType().ToString() == "System.Collections.ArrayList") 
             { 
                 rowCount = ((ArrayList)dataGrid.DataSource).Count; 
             } 
             colCount = dataGrid.TableStyles[0].GridColumnStyles.Count;              //print caption 
             if(dataGrid.CaptionVisible) 
             { 
                 y += rowGap; 
                 x = leftMargin; 
                 e.Graphics.DrawString(dataGrid.CaptionText, captionFont, brush, x, y); 
             }              //print headings 
             y += rowGap; 
             x = leftMargin; 
             for(int j = 0; j < colCount; j++) 
             { 
                 if(dataGrid.TableStyles[0].GridColumnStyles[j].Width > 0) 
                 { 
                     cellValue = dataGrid.TableStyles[0].GridColumnStyles[j].HeaderText; 
                     e.Graphics.DrawString(cellValue, headingFont, brush, x, y); 
                     x += dataGrid.TableStyles[0].GridColumnStyles[j].Width + colGap; 
                 } 
             }              //print all rows 
             for(int i = 0; i < rowCount; i++) 
             { 
                 y += rowGap; 
                 x = leftMargin; 
                 for(int j = 0; j < colCount; j++) 
                 { 
                     if(dataGrid.TableStyles[0].GridColumnStyles[j].Width > 0) 
                     { 
                         cellValue = dataGrid[i,j].ToString(); 
                         e.Graphics.DrawString(cellValue, font, brush, x, y); 
                         x += dataGrid.TableStyles[0].GridColumnStyles[j].Width + colGap; 
                         y = y + rowGap * (cellValue.Split(new char[] {' ', ' '}).Length - 1); 
                     } 
                 } 
             } 
             string s = cellValue; 
             string f3 = cellValue; 
         }          public PrintDocument GetPrintDocument() 
         { 
             return printDocument; 
         }          public void Print() 
         { 
             try 
             { 
                 pageSetupDialog = new PageSetupDialog(); 
                 pageSetupDialog.Document = printDocument; 
                 pageSetupDialog.ShowDialog(); 
                 printPreviewDialog = new PrintPreviewDialog(); 
                 printPreviewDialog.Document = printDocument; 
                 printPreviewDialog.Height = 600; 
                 printPreviewDialog.Width = 800; 
                 printPreviewDialog.ShowDialog(); 
             } 
             catch(Exception e) 
             { 
                 throw new Exception("Printer error." + e.Message); 
             }          } 
     } 
 引用别人的.呵呵!!