private void button1_Click(object sender, EventArgs e)
        {

            bool bool_0 = true;
            bool bool_1 = true;
            string str = RandomString(6);
            string str2 = "Typical";
            string str3 = bool_0 ? string.Format("{0}_{1}", "Fotosizer Professional v2", "5D4F30AD-0ADD-4703-B0A0-BA72F0FCB164") : "Fotosizer Professional v2";
            string str4 = smethod_16(string.Format("{0}{1}{2}", str, str2, str3), bool_1).Substring(0, 14).ToUpper();
            textBox1.Text = string.Format("{0}{1}-{2}-{3}", new object[] { str, str4.Substring(0, 2), str4.Substring(2, 4), smethod_0(str4, 8) });

        }


        private static string smethod_16(string string_7, bool bool_0)
        {
            string str = string.Empty;
            byte[] bytes = Encoding.ASCII.GetBytes(string_7);
            try
            {
                byte[] buffer2;
                if (bool_0)
                {
                    buffer2 = new SHA1CryptoServiceProvider().ComputeHash(bytes);
                }
                else
                {
                    buffer2 = MD5.Create().ComputeHash(bytes);
                }
                StringBuilder builder = new StringBuilder();
                for (int i = 0; i < buffer2.Length; i++)
                {
                    builder.Append(buffer2[i].ToString("X2"));
                }
                str = builder.ToString();
            }
            catch (Exception exception1)
            {

            }
            return str;
        }

        public static string smethod_0(string string_0, int int_0)
        {
            return string_0.Substring(string_0.Length - int_0, int_0);
        }