C#

SpellCheck checker = new SpellCheck();
            PhoenixText.Forms.MdiWindow win = (PhoenixText.Forms.MdiWindow)this.ActiveMdiChild;
            Char[] characters = win.TextBox.Text.ToCharArray();
            foreach (string word in win.KeyWords)
            {
                int firstIndex = win.TextBox.Text.IndexOf(word);
                int lastindex = word.Length;
               // MessageBox.Show(firstIndex.ToString() + "   " + lastindex.ToString());
                if (checker.CheckSpelling(word) == false)
                {
                    win.TextBox.Select(firstIndex, lastindex);
                    win.TextBox.SelectionFont = new Font(win.TextBox.Font, FontStyle.Underline);
                    win.TextBox.DeselectAll();
                    win.TextBox.Refresh();
                }
            }

private static Version GetVersion(string assemblyUri)
{
	Assembly assembly = Assembly.LoadFile(assemblyUri);
	return assembly.GetName().Version;
}

public class BuildInformation
{
	private static readonly DateTime BuildOrigin = new DateTime(1970, 1, 1, 0, 0, 0);
	private const int peHeaderOffset = 60;
	private const int linkerTimestampOffset = 8;

	private DateTime _BuildDate;
	public DateTime BuildDate
	{
		get { return this._BuildDate; }
		set { this._BuildDate = value; }
	}

	private Version _Version;
	public Version Version
	{
		get { return this._Version; }
		set { this._Version = value; }
	}

	private static DateTime GetBuildDate(string path)
	{
		byte[] b = new byte[2048];
		using (FileStream fs = File.OpenRead(path))
		{
			fs.Read(b, 0, 2048);
			fs.Close();
		}
		int i = BitConverter.ToInt32(b, peHeaderOffset);
		int secondsSince1970 = BitConverter.ToInt32(b, i + linkerTimestampOffset);

		DateTime dt = BuildOrigin.AddSeconds(secondsSince1970);
		dt = dt.AddHours(TimeZone.CurrentTimeZone.GetUtcOffset(dt).Hours);

		return dt;
	}
	public static BuildInformation Read(string path)
	{
		DateTime buildDate = GetBuildDate(path);
		Version version = Assembly.LoadFrom(path).GetName().Version;
		return new BuildInformation(buildDate, version);
	}

	private BuildInformation(DateTime buildDate, Version version)
	{
		this.BuildDate = buildDate;
		this.Version = version;
	}
}