/// <summary>
/// Gets the description for a enum value
/// </summary>
/// <typeparam name="T">Enum type</typeparam>
/// <param name="e">Enum value</param>
/// <returns>A description if one esists.</returns>
public static string GetDescription<T>(this T e) where T : IConvertible
{
    if (!(e is System.Enum)) return null;

    var type = e.GetType();
    var values = System.Enum.GetValues(type);

    foreach (var val in values)
    {
        if ((int) val != e.ToInt32(CultureInfo.InvariantCulture)) continue;

        var memInfo = type.GetMember(type.GetEnumName(val) ?? throw new InvalidOperationException());

        if (memInfo[0]
            .GetCustomAttributes(typeof(DescriptionAttribute), false)
            .FirstOrDefault() is DescriptionAttribute descriptionAttribute)
        {
            return descriptionAttribute.Description;
        }
    }

    return null;
}