System.Enum.InternalGetValueAsString C# (CSharp) Метод

        private static String InternalGetValueAsString(Type enumType, Object value)
        {
            //Don't ask for the private fields.  Only .value is private and we don't need that.
            HashEntry hashEntry = GetHashEntry(enumType);
            Type eT = GetUnderlyingType(enumType);

            // Lets break this up based upon the size.  We'll do part as an 64bit value
            //  and part as the 32bit values.
            if (eT == intType || eT == typeof(short) || eT == typeof(long) || eT == typeof(ushort) || eT == typeof(byte) || eT == typeof(sbyte) || eT == typeof(uint) || eT == typeof(ulong))
            {
                ulong val = ToUInt64(value);
                int index = BinarySearch(hashEntry.values, val);

                if (index >= 0)
                    return hashEntry.names[index];
            }

            return null;
        }