using System;

using System.ComponentModel;

using System.Reflection;

using System.Linq;

​

// Enum de exemplo 1

public enum PaymentOrderStatus

{

    [Description("Pendente")]

    Pending = 1,

    [Description("Liberada")]

    Released = 3,

    [Description("Aprovada")]

    Approved = 10

}

​

// Enum de exemplo 2

public enum CustomerStatus

{

    Active,

    Inactive

}

​

// Enum Helper

public static class EnumDescriptionHelper

{

    public static string GetDescription(this Enum GenericEnum) //Hint: Change the method signature and input paramter to use the type parameter T

    {

        Type genericEnumType = GenericEnum.GetType();

        MemberInfo[] memberInfo = genericEnumType.GetMember(GenericEnum.ToString());

        if ((memberInfo != null && memberInfo.Length > 0))

        {

            var _Attribs = memberInfo[0].GetCustomAttributes(typeof(System.ComponentModel.DescriptionAttribute), false);

            if ((_Attribs != null && _Attribs.Count() > 0))

            {

                return ((System.ComponentModel.DescriptionAttribute)_Attribs.ElementAt(0)).Description;

            }

        }

        return GenericEnum.ToString();

    }

}

​

//Testando

public class Program

{

    public static void Main()

    {

        var paymentOrderStatus = PaymentOrderStatus.Pending;

        var customerStatus = CustomerStatus.Active;

        var indice = 1;

        var qualStatus = (PaymentOrderStatus)indice;

        Console.WriteLine(paymentOrderStatus.GetDescription());

        Console.WriteLine(customerStatus.GetDescription());

        Console.WriteLine(qualStatus.GetDescription());

    }

}