using System;

using System.Resources;

using System.Reflection;

public class Program {

    public static void Main() {

        var area = SystemArea.Gestor;

        Console.WriteLine(area.Display());

    }

}

​

public static class SystemAreaExtension {

    public static string Display(this SystemArea value) {

        var compare = new ResourceManager("SystemArea", Assembly.GetExecutingAssembly())

                        .GetString("SystemArea_" + value);

        return string.IsNullOrEmpty(compare) ? value.ToString() : compare;

    }

    public static string Display(this Enum value) {

        var compare = new ResourceManager("SystemArea", Assembly.GetExecutingAssembly())

                    .GetString("SystemArea_" + value);

        return string.IsNullOrEmpty(compare) ? value.ToString() : compare;

    }

}

​

public enum SystemArea {

    Gestor = 3,

    Administrador = 2,

    Professor = 1,

    Aluno = 0,

}