using System;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Drawing.Imaging;

using System.Drawing.Text;

namespace CaptchaImage

{

      /// <summary>

      /// Summary description for CaptchaImage.

      /// </summary>

      public class CaptchaImage

      {

            // Public properties (all read-only).

            public string Text

            {

                  get { return this.text; }

            }

            public Bitmap Image

            {

                  get { return this.image; }

            }

            public int Width

            {

                  get { return this.width; }

            }

            public int Height

            {

                  get { return this.height; }

            }

            // Internal properties.

            private string text;

            private int width;

            private int height;

            private string familyName;

            private Bitmap image;

            // For generating random numbers.

            private Random random = new Random();

            // ====================================================================

            // Initializes a new instance of the CaptchaImage class using the

            // specified text, width and height.

            // ====================================================================

            public CaptchaImage(string s, int width, int height)

            {

                  this.text = s;

                  this.SetDimensions(width, height);

                  this.GenerateImage();

            }

            // ====================================================================

            // Initializes a new instance of the CaptchaImage class using the

            // specified text, width, height and font family.

            // ====================================================================

            public CaptchaImage(string s, int width, int height, string familyName)

            {

                  this.text = s;

                  this.SetDimensions(width, height);

                  this.SetFamilyName(familyName);

                  this.GenerateImage();

            }

            // ====================================================================

            // This member overrides Object.Finalize.

            // ====================================================================

Read more...