NinjaCoder.MvvmCross.Services.SettingsService.GetRegistryKey C# (CSharp) Method

        internal RegistryKey GetRegistryKey(
            string subKey,
            bool writeable)
        {
            RegistryKey softwareKey = Registry.CurrentUser.OpenSubKey("Software");

            RegistryKey scorchioKey = softwareKey?.OpenSubKey("Scorchio Limited");

            //// need to create the registry key if not there!

            if (scorchioKey == null)
            {
                softwareKey = Registry.CurrentUser.OpenSubKey("Software", true);

                if (softwareKey != null)
                {
                    scorchioKey = softwareKey.CreateSubKey("Scorchio Limited");
                }
            }

            if (scorchioKey != null)
            {
                //// will need to create registry key if not there!

                RegistryKey ninjaKey = scorchioKey.OpenSubKey("Ninja Coder for MvvmCross", writeable) ??
                                       scorchioKey.CreateSubKey("Ninja Coder for MvvmCross");

                if (ninjaKey != null)
                {
                    if (string.IsNullOrEmpty(subKey) == false)
                    {
                        RegistryKey registryKey = ninjaKey.OpenSubKey(subKey, writeable);

                        return registryKey ?? ninjaKey.CreateSubKey(subKey);
                    }
                }

                return ninjaKey;
            }

            return null;
        }