lj_plc/Mesnac.PlcUtils/common/EnumExtensions.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Mesnac.PlcUtils.common
{
    public static class EnumExtensions
    {
        public static string GetDescription<T>(this T enumerationValue) where T : struct
        {
            var type = enumerationValue.GetType();
            if (!type.IsEnum)
            {
                throw new ArgumentException($"{nameof(enumerationValue)} must be of Enum type", nameof(enumerationValue));
            }

            var memberInfo = type.GetMember(enumerationValue.ToString());
            if (memberInfo.Length > 0)
            {
                var descriptionAttribute = memberInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false) as DescriptionAttribute[];

                if (descriptionAttribute != null && descriptionAttribute.Length > 0)
                {
                    return descriptionAttribute[0].Description;
                }
            }

            return enumerationValue.ToString();
        }
    }
}