PrintDocument组件打印

运行效果：

代码：

 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.Drawing.Printing;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;

 namespace Print
 {
     public partial class Form1 : Form
     {
         public Form1()
         {
             InitializeComponent();
         }

         private int intCurrentRowIndex = ;

         public void InitPrintDocument(PrintDocument printDocument)
         {
             printDocument.DocumentName = "PrintDocument事例！";

             foreach (PaperSize ps in printDocument.PrinterSettings.PaperSizes)
             {
                 if (ps.PaperName == "A4")
                 {
                     printDocument.DefaultPageSettings.PaperSize = ps;
                     break;
                 }
             }

             printDocument.BeginPrint += printDocument_BeginPrint;

             printDocument.EndPrint += printDocument_EndPrint;

             printDocument.PrintPage += printDocument_PrintPage;
         }

         void printDocument_PrintPage(object sender, PrintPageEventArgs e)
         {
             int x = ;
             int y = ;

             for (int i = intCurrentRowIndex; i < this.textBox1.Lines.Length; i++)
             {
                 e.Graphics.DrawString(this.textBox1.Lines[i], this.textBox1.Font, Brushes.Black, x, y);
                 intCurrentRowIndex++;

                 y = this.textBox1.Font.Height + ;

                 if (y > e.PageBounds.Height)
                 {
                     e.HasMorePages = true;
                     break;
                 }
             }
         }

         void printDocument_EndPrint(object sender, PrintEventArgs e)
         {
             this.label2.Text = "打印完成！";
         }

         void printDocument_BeginPrint(object sender, PrintEventArgs e)
         {
             intCurrentRowIndex = ;
             this.label2.Text = "开始打印！";
             Application.DoEvents();
         }

         private void Form1_Load(object sender, EventArgs e)
         {
             InitPrintDocument(this.printDocument1);
         }

         private void btn_Print_Click(object sender, EventArgs e)
         {
             this.printDocument1.Print();
         }

         private void btn_Cancle_Click(object sender, EventArgs e)
         {
             Application.Exit();
         }
     }
 }

完成。