System Drawing Printing C# by API

using System;
using System.Drawing;
using System.Windows.Forms;
using System.Drawing.Printing;
public class PrintParagraph : Form
{
    public PrintParagraph()
    {
        this.cmdPrint = new System.Windows.Forms.Button();
        this.SuspendLayout();
        this.cmdPrint.Location = new System.Drawing.Point(109, 122);
        this.cmdPrint.Size = new System.Drawing.Size(75, 23);
        this.cmdPrint.Text = "Print";
        this.cmdPrint.UseVisualStyleBackColor = true;
        this.cmdPrint.Click += new System.EventHandler(this.cmdPrint_Click);
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(282, 259);
        this.Controls.Add(this.cmdPrint);
        this.Text = "Wrapped Print";
        this.ResumeLayout(false);
    }
    private void cmdPrint_Click(object sender, EventArgs e)
    {
        string text = "a paragraph";
        PrintDocument doc = new ParagraphDocument(text);
        doc.PrintPage += new PrintPageEventHandler(this.Doc_PrintPage);
        PrintDialog dlgSettings = new PrintDialog();
        dlgSettings.Document = doc;
        if (dlgSettings.ShowDialog() == DialogResult.OK)
        {
            doc.Print();
        }
    }
    private void Doc_PrintPage(object sender, PrintPageEventArgs e)
    {
        ParagraphDocument doc = (ParagraphDocument)sender;
        Font font = new Font("Arial", 15);
        e.Graphics.DrawString(doc.Text, font, Brushes.Black,
               e.MarginBounds, StringFormat.GenericDefault);
    }
    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new PrintParagraph());
    }
    private System.Windows.Forms.Button cmdPrint;
    
}
public class ParagraphDocument : PrintDocument
{
    public string Text;
    public ParagraphDocument(string text)
    {
        this.Text = text;
    }
}