using System;
   using System.Collections.Generic;
   using System.Text;
   using OnBarcode.Barcode;
   using System.Drawing.Imaging;
   using System.Drawing;


   Linear code25 = new Linear();

   // Barcode data to encode
   code25.Data = "1234567890";
   // Barcode symbology type
   code25.Type = BarcodeType.CODE2OF5;

   // Wide/narrow ratio, 2.0 - 3.0 inclusive, default is 2.
   code25.N = 3.0f;

   /*
   * Barcode Image Related Settings
   */
   // Unit of meature for all size related setting in the library. 
   code25.UOM = UnitOfMeasure.PIXEL;
   // Bar module width (X), default is 1 pixel;
   code25.X = 1;
   // Bar module height (Y), default is 60 pixel;
   code25.Y = 60;
   // Barcode image left, right, top, bottom margins. Defaults are 0.
   code25.LeftMargin = 0;
   code25.RightMargin = 0;
   code25.TopMargin = 0;
   code25.BottomMargin = 0;
   // Image resolution in dpi, default is 72 dpi.
   code25.Resolution = 72;
   // Created barcode orientation.
   //4 options are: facing left, facing right, facing bottom, and facing top
   code25.Rotate = Rotate.Rotate0;

   /*
   * Linear barcodes human readable text styles
   */
   // Display human readable text under the barcode
   code25.ShowText = true;
   // Display checksum digit at the end of barcode data.
   code25.ShowCheckSumChar = true;
   // Human readable text font size, font family and style
   code25.TextFont = new Font("Arial", 9f, FontStyle.Regular);
   // Space between barcode and text. Default is 6 pixel.
   code25.TextMargin = 6;

   // Generate Code 2 of 5 and encode barcode to gif format
   code25.Format = System.Drawing.Imaging.ImageFormat.Gif;
   code25.drawBarcode("C:\\code25.gif");

   /*
   You can also call other drawing methods to generate barcodes
   
   public void drawBarcode(Graphics graphics);
    
   public void drawBarcode(string filename);
    
       public Bitmap drawBarcode();
    
   public void drawBarcode(Stream stream);
   
   */