Gets an attribute on an enum field value

EnumHelper.GetAttributeOfType.cs

    public static class EnumHelper
    {
        /// <summary>
        /// Gets an attribute on an enum field value"/>
        /// </summary>
        /// <typeparam name="T">The type of the attribute you want to retrieve</typeparam>
        /// <param name="enumVal">The enum value</param>
        /// <returns>The attribute of type T that exists on the enum value</returns>
        /// <example><![CDATA[string desc = myEnumVariable.GetAttributeOfType<DescriptionAttribute>().Description;]]></example>
        /// <see href="https://stackoverflow.com/a/9276348/3990156"/>
        /// <seealso href="https://web.archive.org/web/20210826123339/https://stackoverflow.com/questions/1799370/getting-attributes-of-enums-value/9276348"/>
        public static T GetAttributeOfType<T>(this Enum enumVal) where T : System.Attribute
        {
            var type = enumVal.GetType();
            var memInfo = type.GetMember(enumVal.ToString());
            var attributes = memInfo[0].GetCustomAttributes(typeof(T), false);
            return (attributes.Length > 0) ? (T)attributes[0] : null;
        }
    }