C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using tessnet2;

namespace OCR
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            string path = @"D:\timessquaretif.tif";
            Bitmap image = new Bitmap(path);
            Tesseract ocr = new Tesseract();
            ocr.SetVariable("tessedit_char_whitelist", "0123456789"); // If digit only
            ocr.Init(@"C:\TEMP\tessdata\tessdata", "eng", false); // To use correct tessdata
            List<tessnet2.Word> result = ocr.DoOCR(image, Rectangle.Empty);
            foreach (tessnet2.Word word in result)
                //Console.WriteLine("{0} : {1}", word.Confidence, word.Text);
            listBox1.Items.Add(string.Format("{0} : {1}", word.Confidence, word.Text));
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}