Get values from resx files

gistfile1.cs

    /// <summary>
    /// Just a simple wraper for getting values from resx file with just basic error handling
    /// </summary>
    /// <example>
    /// Usage is just like = ErrorStrings.Current.NotAValidEmail;
    /// </example>
    public class ErrorStrings
    {

        public string NotAValidEmail
        {
            get
            {
                return GetValue("NotAValidEmail");
            }
        }

        public string NotAValidPhoneNumber
        {
            get
            {
                return GetValue("NotAValidPhoneNumber");
            }
        }

        private string GetValue(string text)
        {
            var translation = _resmanager.GetString(text, _culture);
            if (translation == null)
            {
#if DEBUG
                throw new ArgumentException($"Key '{text}' was not found in resources '{ResourceId}' for culture '{_culture.Name}'.", $"Text");
#else
                translation = Text; // HACK: returns the key, which GETS DISPLAYED TO THE USER
#endif
            }

            return translation;
        }

        #region Setup
        private const string ResourceId = "My.Full.AsemblyName.ErrorStrings"; //Base name of resx file ("ErrorStrings.is-IS.resx","ErrorStrings.en-US.resx" etc.)
        private static ResourceManager _resmanager;

        private static ErrorStrings _errors;
        public static ErrorStrings Current => _errors ?? (_errors = new ErrorStrings());

        public static CultureInfo _culture;

        public ErrorStrings()
        {
            _resmanager = new ResourceManager(ResourceId, typeof(ErrorStrings).GetTypeInfo().Assembly);

            _culture = new CultureInfo("is-IS"); //This can either be picked up in config or current culture.
        }
        #endregion
    }