Simplified .NET Printing in C#

namespace Print
{
    using System;
    using System.ComponentModel;
    using System.Drawing;
    using System.Drawing.Printing;
    using System.Resources;
    using System.Windows.Forms;
 
    public class frmPrint : Form
    {
        private Container components = null;
        private string[] lines;
        private int linesPrinted;
        private MainMenu mainMenu1;
        private MenuItem miFile;
        private MenuItem miPreview;
        private MenuItem miPrint;
        private MenuItem miSetup;
        private PageSetupDialog pageSetupDialog1;
        private PrintDialog printDialog1;
        private PrintDocument printDocument1;
        private PrintPreviewDialog printPreviewDialog1;
        private RichTextBox richTextBox1;
 
        public frmPrint()
        {
            this.InitializeComponent();
        }
 
        protected override void Dispose(bool disposing)
        {
            if (disposing && (this.components != null))
            {
                this.components.Dispose();
            }
            base.Dispose(disposing);
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
            this.richTextBox1.Text = string.Concat(new object[] { "                               ", DateTime.Now.Month, "/", DateTime.Now.Day, "/", DateTime.Now.Year, "\r\n\r\n" });
            this.richTextBox1.AppendText("This is a greatly simplified Print Document Method\r\n\r\n");
            this.richTextBox1.AppendText("We can write text to a richTextBox, or use Append Text,\r\nor Concatenate a String, and write that textBox. The \r\nrichTextBox does not even have to be visible. \r\n\r\nBecause we use a richTextBox it's physical dimensions are \r\nirrelevant. We can place it anywhere on our form, and set the \r\nVisible Property to false.\r\n\r\n");
            this.richTextBox1.AppendText("This is the document we will print. The rich TextBox serves \r\nas a Cache for our Report, or any other text we wish to print.\r\n\r\n");
            this.richTextBox1.AppendText("I have also included Print Setup and Print Preview. ");
        }
 
        private void InitializeComponent()
        {
            ResourceManager manager = new ResourceManager(typeof(frmPrint));
            this.richTextBox1 = new RichTextBox();
            this.printDialog1 = new PrintDialog();
            this.printDocument1 = new PrintDocument();
            this.pageSetupDialog1 = new PageSetupDialog();
            this.printPreviewDialog1 = new PrintPreviewDialog();
            this.mainMenu1 = new MainMenu();
            this.miFile = new MenuItem();
            this.miSetup = new MenuItem();
            this.miPreview = new MenuItem();
            this.miPrint = new MenuItem();
            base.SuspendLayout();
            this.richTextBox1.Location = new Point(8, 0x10);
            this.richTextBox1.Name = "richTextBox1";
            this.richTextBox1.Size = new Size(0x128, 240);
            this.richTextBox1.TabIndex = 0;
            this.richTextBox1.Text = "richTextBox1";
            this.printDialog1.Document = this.printDocument1;
            this.printDocument1.BeginPrint += new PrintEventHandler(this.OnBeginPrint);
            this.printDocument1.PrintPage += new PrintPageEventHandler(this.OnPrintPage);
            this.pageSetupDialog1.Document = this.printDocument1;
            this.printPreviewDialog1.AutoScrollMargin = new Size(0, 0);
            this.printPreviewDialog1.AutoScrollMinSize = new Size(0, 0);
            this.printPreviewDialog1.ClientSize = new Size(400, 300);
            this.printPreviewDialog1.Document = this.printDocument1;
            this.printPreviewDialog1.Enabled = true;
            this.printPreviewDialog1.Icon = (Icon) manager.GetObject("printPreviewDialog1.Icon");
            this.printPreviewDialog1.Location = new Point(0x58, 0x74);
            this.printPreviewDialog1.MaximumSize = new Size(0, 0);
            this.printPreviewDialog1.Name = "printPreviewDialog1";
            this.printPreviewDialog1.Opacity = 1.0;
            this.printPreviewDialog1.TransparencyKey = Color.Empty;
            this.printPreviewDialog1.Visible = false;
            this.mainMenu1.MenuItems.AddRange(new MenuItem[] { this.miFile });
            this.miFile.Index = 0;
            this.miFile.MenuItems.AddRange(new MenuItem[] { this.miSetup, this.miPreview, this.miPrint });
            this.miFile.Text = "File";
            this.miSetup.Index = 0;
            this.miSetup.Text = "Page Setup";
            this.miSetup.Click += new EventHandler(this.miSetup_Click);
            this.miPreview.Index = 1;
            this.miPreview.Text = "Print Preview";
            this.miPreview.Click += new EventHandler(this.miPreview_Click);
            this.miPrint.Index = 2;
            this.miPrint.Text = "Print";
            this.miPrint.Click += new EventHandler(this.miPrint_Click);
            this.AutoScaleBaseSize = new Size(5, 13);
            this.BackColor = Color.FromArgb(0x80, 0xff, 0x80);
            base.ClientSize = new Size(320, 0x115);
            base.Controls.AddRange(new Control[] { this.richTextBox1 });
            base.Menu = this.mainMenu1;
            base.Name = "frmPrint";
            this.Text = "Simple Print";
            base.Load += new EventHandler(this.Form1_Load);
            base.ResumeLayout(false);
        }
 
        [STAThread]
        private static void Main()
        {
            Application.Run(new frmPrint());
        }
 
        private void miPreview_Click(object sender, EventArgs e)
        {
            this.printPreviewDialog1.ShowDialog();
        }
 
        private void miPrint_Click(object sender, EventArgs e)
        {
            if (this.printDialog1.ShowDialog() == DialogResult.OK)
            {
                this.printDocument1.Print();
            }
        }
 
        private void miSetup_Click(object sender, EventArgs e)
        {
            this.pageSetupDialog1.ShowDialog();
        }
 
        private void OnBeginPrint(object sender, PrintEventArgs e)
        {
            char[] separator = new char[] { '\n' };
            if (this.printDialog1.PrinterSettings.PrintRange == PrintRange.Selection)
            {
                this.lines = this.richTextBox1.SelectedText.Split(separator);
            }
            else
            {
                this.lines = this.richTextBox1.Text.Split(separator);
            }
            int num = 0;
            char[] trimChars = new char[] { '\r' };
            foreach (string str in this.lines)
            {
                this.lines[num++] = str.TrimEnd(trimChars);
            }
        }
 
        private void OnPrintPage(object sender, PrintPageEventArgs e)
        {
            int left = e.MarginBounds.Left;
            int top = e.MarginBounds.Top;
            Brush brush = new SolidBrush(this.richTextBox1.ForeColor);
            while (this.linesPrinted < this.lines.Length)
            {
                e.Graphics.DrawString(this.lines[this.linesPrinted++], this.richTextBox1.Font, brush, (float) left, (float) top);
                top += 15;
                if (top >= e.MarginBounds.Bottom)
                {
                    e.HasMorePages = true;
                    return;
                }
            }
            this.linesPrinted = 0;
            e.HasMorePages = false;
        }
    }
}