The Windows Access Control Model Part 3

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using System.Reflection;

namespace NetAccessControl
{
	partial class AboutBox1 : Form
	{
		public AboutBox1()
		{
			InitializeComponent();

			//  Initialize the AboutBox to display the product information from the assembly information.
			//  Change assembly information settings for your application through either:
			//  - Project->Properties->Application->Assembly Information
			//  - AssemblyInfo.cs
			this.Text = String.Format("About {0}", AssemblyTitle);
			this.labelProductName.Text = AssemblyProduct;
			this.labelVersion.Text = String.Format("Version {0}", AssemblyVersion);
			this.labelCopyright.Text = AssemblyCopyright;
			this.labelCompanyName.Text = AssemblyCompany;
			//this.textBoxDescription.Text = AssemblyDescription;
		}

		#region Assembly Attibute Accessors

		public string AssemblyTitle
		{
			get
			{
				// Get all Title attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
				// If there is at least one Title attribute
				if (attributes.Length > 0)
				{
					// Select the first one
					AssemblyTitleAttribute titleAttribute = (AssemblyTitleAttribute)attributes[0];
					// If it is not an empty string, return it
					if (titleAttribute.Title != "")
						return titleAttribute.Title;
				}
				// If there was no Title attribute, or if the Title attribute was the empty string, return the .exe name
				return System.IO.Path.GetFileNameWithoutExtension(Assembly.GetExecutingAssembly().CodeBase);
			}
		}

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

		public string AssemblyDescription
		{
			get
			{
				// Get all Description attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyDescriptionAttribute), false);
				// If there aren't any Description attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Description attribute, return its value
				return ((AssemblyDescriptionAttribute)attributes[0]).Description;
			}
		}

		public string AssemblyProduct
		{
			get
			{
				// Get all Product attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyProductAttribute), false);
				// If there aren't any Product attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Product attribute, return its value
				return ((AssemblyProductAttribute)attributes[0]).Product;
			}
		}

		public string AssemblyCopyright
		{
			get
			{
				// Get all Copyright attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
				// If there aren't any Copyright attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Copyright attribute, return its value
				return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
			}
		}

		public string AssemblyCompany
		{
			get
			{
				// Get all Company attributes on this assembly
				object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCompanyAttribute), false);
				// If there aren't any Company attributes, return an empty string
				if (attributes.Length == 0)
					return "";
				// If there is a Company attribute, return its value
				return ((AssemblyCompanyAttribute)attributes[0]).Company;
			}
		}
		#endregion

		private void button1_Click(object sender, EventArgs e)
		{
			System.Diagnostics.ProcessStartInfo startArgs = new System.Diagnostics.ProcessStartInfo();
			string startDir = System.IO.Path.GetDirectoryName(
				System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName);

			startArgs.FileName = startDir + "\\readme.txt";
			startArgs.UseShellExecute = true;
			startArgs.Verb = "open";

			try
			{
				System.Diagnostics.Process.Start(startArgs);
			} catch(System.ComponentModel.Win32Exception ex)
			{
				MessageBox.Show(this, "The readme cannot be found in the path\r\n" + startArgs.FileName +
					"\r\nCheck to see if it exists.\r\nThe exact error was \"" + ex.Message + "\"",
					"Could not find documentation", MessageBoxButtons.OK, MessageBoxIcon.Error,
					MessageBoxDefaultButton.Button1);
			}

		}

		private void okButton_Click(object sender, EventArgs e)
		{
			this.Close();
		}
	}
}