BeforeBuild.Substitution.WriteFile C# (CSharp) Method

        private static void WriteFile(string dName, String lines)
        {
            StreamWriter sw = null;
            try
            {
                sw = File.CreateText(dName);
                sw.Write(lines);
            }
            finally
            {
                if(sw != null)
                    sw.Close();
            }
        }