Alexandria.Game.GetSoftwareRegistryValue C# (CSharp) Method

        protected string GetSoftwareRegistryValue(string subpath, string folderKeyName)
        {
            return (string.IsNullOrEmpty(subpath) ? null :
                    GetRegistrySoftwareValue(Registry.LocalMachine, subpath, folderKeyName)
                    ?? GetRegistrySoftwareValue(Registry.CurrentUser, subpath, folderKeyName))
                ?? (SteamApplicationId.HasValue ?
                    GetRegistrySoftwareValue(Registry.LocalMachine, SteamBase + SteamApplicationId.Value, SteamFolderKeyName) : null);
        }