public IEnumerable<CountdownDateTime> GetFutureCountdownDateTimes(CountdownDateTime countdownDateTime)
{
foreach (var dt in GetFutureDates(countdownDateTime.DateTime))
{
yield return GetCountdownDateTime(dt);
}
}
public CountdownDateTime GetBeforeDate(CountdownDateTime dateTime)
{
var date = GetBeforeDate(dateTime.DateTime);
if (date == null)
return null;
else
return new CountdownDateTime(this, date.Value);
}
/// <summary>
/// Gets the next date this event occurs on after the one given, or null
/// if there is no date.
/// </summary>
/// <param name="dateTime"></param>
/// <returns></returns>
public CountdownDateTime GetNextDate(CountdownDateTime countdownDateTime)
{
var dateTime = GetNextDate(countdownDateTime.DateTime);
if (dateTime == null)
return null;
else
return GetCountdownDateTime(dateTime.Value);
}
protected CountdownDateTime GetCountdownDateTime(DateTime datetime)
{
var cdt = new CountdownDateTime(this, datetime);
return cdt;
}
