PrintDocument组件打印

运行效果：
代码：
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Drawing.Printing;
 7 using System.Linq;
 8 using System.Text;
 9 using System.Threading.Tasks;
10 using System.Windows.Forms;
11 
12 namespace Print
13 {
14     public partial class Form1 : Form
15     {
16         public Form1()
17         {
18             InitializeComponent();
19         }
20 
21         private int intCurrentRowIndex = 0;
22 
23         public void InitPrintDocument(PrintDocument printDocument)
24         {
25             printDocument.DocumentName = "PrintDocument事例！";
26 
27             foreach (PaperSize ps in printDocument.PrinterSettings.PaperSizes)
28             {
29                 if (ps.PaperName == "A4")
30                 {
31                     printDocument.DefaultPageSettings.PaperSize = ps;
32                     break;
33                 }
34             }
35 
36             printDocument.BeginPrint += printDocument_BeginPrint;
37 
38             printDocument.EndPrint += printDocument_EndPrint;
39 
40             printDocument.PrintPage += printDocument_PrintPage;
41         }
42 
43         void printDocument_PrintPage(object sender, PrintPageEventArgs e)
44         {
45             int x = 10;
46             int y = 10;
47 
48             for (int i = intCurrentRowIndex; i < this.textBox1.Lines.Length; i++)
49             {
50                 e.Graphics.DrawString(this.textBox1.Lines[i], this.textBox1.Font, Brushes.Black, x, y);
51                 intCurrentRowIndex++;
52 
53                 y = this.textBox1.Font.Height + 5;
54 
55                 if (y > e.PageBounds.Height)
56                 {
57                     e.HasMorePages = true;
58                     break;
59                 }
60             }
61         }
62 
63         void printDocument_EndPrint(object sender, PrintEventArgs e)
64         {
65             this.label2.Text = "打印完成！";
66         }
67 
68         void printDocument_BeginPrint(object sender, PrintEventArgs e)
69         {
70             intCurrentRowIndex = 0;
71             this.label2.Text = "开始打印！";
72             Application.DoEvents();
73         }
74 
75 
76         private void Form1_Load(object sender, EventArgs e)
77         {
78             InitPrintDocument(this.printDocument1);
79         }
80 
81         private void btn_Print_Click(object sender, EventArgs e)
82         {
83             this.printDocument1.Print();
84         }
85 
86         private void btn_Cancle_Click(object sender, EventArgs e)
87         {
88             Application.Exit();
89         }
90     }
91 }
完成。