Adler-32 Checksum Calculation

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

// File Helper Example.
namespace CheckAdler
{
    /// <summary>
    /// Adler checksum calculation example main form.
    /// </summary> 
    public partial class Form1 : Form
    {
        /// <summary>
        /// Main form constructor.
        /// </summary> 
        public Form1()
        {
            InitializeComponent();
        }

        private void buttonBrowse_Click(object sender, EventArgs e)
        {
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                textPath.Text = openFileDialog.FileName;
            }
        }

        private void buttonCalculate_Click(object sender, EventArgs e)
        {
            AdlerChecksum acs = new AdlerChecksum();
            if (acs.MakeForFile(textPath.Text))
            {   //success
                textVal.Text = acs.ToString();
            }
            else
            {   //failure
                textVal.Text = "Unable to get checksum!";
            }
        }
    }
}