This routine demonstrates how to print an image.  There is also provisions for resizing the output and changing the orientation.

Download Program and Source Code - Tutor23 - Image Printing





using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace Tutor23
{
    public partial class Form1 : Form
    {
        string fname = "";
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //MessageBox.Show(fname);
            Print dlg = new Print(fname);
            dlg.ShowDialog(this);

        }

        private void button2_Click(object sender, EventArgs e)
        {
            using (OpenFileDialog dlg = new OpenFileDialog())
            {
                dlg.Filter = "Image files (*.jpg, *.tif, *.bmp)|*.BMP;*.TIF;*.JPG|All files|*.*";
                dlg.RestoreDirectory = true;
                if (dlg.ShowDialog() == DialogResult.OK)
                {
                    fname = dlg.FileName;
                    pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
                    Bitmap pic = new Bitmap(fname);
                    pictureBox1.Image = pic;
                }
            }
        }

        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            System.Diagnostics.Process.Start("http://sites.google.com/site/electricfarmcsharp/");
        }
    }
}


// The actual printing I have made a separate thread so that I can use it in other programs.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;

using System.Drawing.Printing;
using System.Text;
using System.Windows.Forms;

namespace Tutor23
{
    public partial class Print : Form
    {
        string fname;
        int x = 0;
        int y = 0;
        int orgx = 0;
        int orgy = 0;
        int ret = 0;
       

        public Print(string filename)
        {
            InitializeComponent();
            fname = filename;
            int indx = fname.LastIndexOf("\\") + 1;
            Bitmap pic = new Bitmap(fname);
            orgx = pic.Width;
            orgy = pic.Height;
            pic.Dispose();
            label1.Text = fname.Substring(indx);
            label2.Text = " Width: " + orgx;
            label3.Text = "Height: " + orgy;
            numericUpDown1.Value = orgx;
            numericUpDown2.Value = orgy;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Form.ActiveForm.Close();
        }
        private void fitToPage()
        {
            ret=0;
            numericUpDown1.Value = orgx;
            numericUpDown2.Value = orgy;
         
            if (checkBox1.Checked == true)
            {
                // Here is where we fit to page
                // Do the calculation
                int maxx;
                int maxy;
                if (radioButton1.Checked == true)
                {
                    maxx = 1050;
                    maxy = 800;
                }
                else
                {
                    maxx = 800;
                    maxy = 1050;
                }
                x = (int)maxx;
                y = (int)maxx * orgy / orgx;
                if (y > maxy)
                {
                    y = maxy;
                    x = (int)maxy * orgx / orgy;
                }
            }
            if (checkBox1.Checked == false)
            {
                x = orgx;
                y = orgy;
            }
     
            numericUpDown1.Value = (int)x;
            numericUpDown2.Value = (int)y;
            ret = 1;
        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            fitToPage();
        }

        private void radioButton1_CheckedChanged(object sender, EventArgs e)
        {
            fitToPage();
        }

        private void radioButton2_CheckedChanged(object sender, EventArgs e)
        {
            fitToPage();
        }

        private void numericUpDown1_ValueChanged(object sender, EventArgs e)
        {
            if (ret == 1)
            {
                ret = 0;
                int tempx = (int)numericUpDown1.Value;
                int tempy = tempx * orgy / orgx;
                numericUpDown2.Value = (int)tempy;
                ret = 1;
            }
        }



        private void numericUpDown2_ValueChanged(object sender, EventArgs e)
        {
            if (ret == 1)
            {
                ret = 0;
                int tempy = (int)numericUpDown2.Value;
                int tempx = tempy * orgx / orgy;
                numericUpDown1.Value = (int)tempx;
                ret = 1;
            }
        }
        #region-------------------------------- Print the picture 
        // Specifies what happens when the PrintPage event is raised.
        private void pd_PrintPage(object sender, PrintPageEventArgs ev)
        {
            // Draw a picture.
            Bitmap pic = new Bitmap(fname);
            x= (int) numericUpDown1.Value;
            y= (int) numericUpDown2.Value;
            ev.Graphics.DrawImage(pic, 0, 0, x, y);
            // Indicate that there is another page to print.
            ev.HasMorePages = false;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                PrintDocument pd = new PrintDocument();
                PrintDialog dlg = new PrintDialog();
                dlg.Document = pd;
                DialogResult result = dlg.ShowDialog();
                if (radioButton1.Checked == true) pd.DefaultPageSettings.Landscape = true;
                if (radioButton2.Checked == true) pd.DefaultPageSettings.Landscape = false;
                pd.PrintPage += new PrintPageEventHandler(this.pd_PrintPage);
                if (result == DialogResult.OK)
                {
                    pd.Print();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("An error occurred while printing ", ex.ToString()); 

            }
        }
        #endregion
    }
}