C# - Extension methods for Enum

EnumExtensions.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;

namespace Untunh.Helpers
{
    /// <summary>
    /// Provides a set of static methods for querying objects that represent an enumeration.
    /// </summary>
    public static class EnumExtensions
    {
        /// <summary>
        /// Fetch the description of the <paramref name="enumType"/> enumeration value.
        /// </summary>
        /// <param name="enumType">Enumeration value for which to return the description.</param>
        /// <returns>The description of the provided enumeration value.</returns>
        public static string Description(this Enum enumType)
        {
            var memInfo = enumType.GetType().GetMember(enumType.ToString());

            if (memInfo != null && memInfo.Length > 0)
            {
                object[] attrs = memInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false);

                if (attrs != null && attrs.Length > 0)
                    return ((DescriptionAttribute)attrs[0]).Description;
            }
            return enumType.ToString();
        }

        /// <summary>
        /// Indicates wether the <paramref name="enumType"/> enum value has a description.
        /// </summary>
        /// <param name="enumType">Enumeration value for which to indicate wether is has a description.</param>
        /// <returns>true if a description is defined on the enumeration value ; otherwise false.</returns>
        public static bool HasDescription(this Enum enumType)
        {
            return !string.IsNullOrWhiteSpace(enumType.Description());
        }
    }
}