/// <summary>
/// Gets the available update periods for the given method.
/// </summary>
/// <param name="method"></param>
/// <returns></returns>
private static List<UpdatePeriod> GetUpdatePeriods(Enum method)
{
List<UpdatePeriod> periods = new List<UpdatePeriod> { UpdatePeriod.Never };
int min = (int)method.GetUpdatePeriod().Minimum;
int max = (int)method.GetUpdatePeriod().Maximum;
periods.AddRange(Enum.GetValues(typeof(UpdatePeriod)).Cast<UpdatePeriod>().Where(
period => period != UpdatePeriod.Never).Select(period => new { period, index = (int)period }).Where(
period => period.index >= min && period.index <= max).Select(period => period.period));
return periods;
}