FormAbout.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace RealBookExtractor {
    partial class FormAbout : Form {
        public FormAbout() {
            InitializeComponent();
            this.Text = String.Format("About {0}", AssemblyTitle);
            this.labelProductName.Text = AssemblyProduct;
            this.labelVersion.Text = String.Format("Version {0}", AssemblyVersion);
            this.labelCopyright.Text = AssemblyCopyright;
            this.textBoxDescription.Text = AssemblyDescription;

            labelLicence.Text = "This program is licenced under the MIT licence. Source code and licence information are available from https://github.com/trevorprinn/RealBookExtractor\r\n\r\n"
                + "It uses PdfSharp components licenced under the MIT licence.\r\nhttp://www.pdfsharp.net\r\nCopyright © 2005-2012 empira Software GmbH, Troisdorf (Germany)"
                + "https://github.com/gheeres/PDFSharp.Extensions\r\nCopyright © 2014 George Heeres, All rights reserved.\r\n"
                + "and a version of iTextSharp licenced under the LGPL\r\nhttps://www.nuget.org/packages/iTextSharp-LGPL\r\nCopyright © 1999-2009 Bruno Lowagie and Paulo Soares";
            var links = Regex.Matches(labelLicence.Text, @"https?://[^\s]*");
            foreach (Match l in links) labelLicence.Links.Add(l.Index, l.Length, l.Value);
        }

        #region Assembly Attribute Accessors

        public string AssemblyTitle {
            get {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
                if (attributes.Length > 0) {
                    AssemblyTitleAttribute titleAttribute = (AssemblyTitleAttribute)attributes[0];
                    if (titleAttribute.Title != "") {
                        return titleAttribute.Title;
                    }
                }
                return System.IO.Path.GetFileNameWithoutExtension(Assembly.GetExecutingAssembly().CodeBase);
            }
        }

        public string AssemblyVersion {
            get {
                return Assembly.GetExecutingAssembly().GetName().Version.ToString();
            }
        }

        public string AssemblyDescription {
            get {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyDescriptionAttribute), false);
                if (attributes.Length == 0) {
                    return "";
                }
                return ((AssemblyDescriptionAttribute)attributes[0]).Description;
            }
        }

        public string AssemblyProduct {
            get {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyProductAttribute), false);
                if (attributes.Length == 0) {
                    return "";
                }
                return ((AssemblyProductAttribute)attributes[0]).Product;
            }
        }

        public string AssemblyCopyright {
            get {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
                if (attributes.Length == 0) {
                    return "";
                }
                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
            }
        }

        public string AssemblyCompany {
            get {
                object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCompanyAttribute), false);
                if (attributes.Length == 0) {
                    return "";
                }
                return ((AssemblyCompanyAttribute)attributes[0]).Company;
            }
        }
        #endregion

        private void link_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) {
            System.Diagnostics.Process.Start(e.Link.LinkData.ToString());
        }

    }
}