public static DateTime AddCalendarSpan(this DateTime dateTime, CalendarSpan calendarSpan)
{
if (calendarSpan == null)
{
return(new DateTime(dateTime.Ticks));
}
DateTime result;
switch (calendarSpan.CalendarType)
{
case CalendarTypes.Days:
result = dateTime.AddDays(System.Convert.ToDouble(calendarSpan.CalendarValue));
break;
case CalendarTypes.Months:
result = dateTime.AddMonths(System.Convert.ToInt32(calendarSpan.CalendarValue));
break;
case CalendarTypes.Years:
result = dateTime.AddYears(System.Convert.ToInt32(calendarSpan.CalendarValue));
break;
default:
result = new DateTime(dateTime.Ticks);
break;
}
return(result);
}
public CalendarSpan(CalendarSpan source)
{
if (source != null)
{
_calendarValue = source.CalendarValue;
_calendarType = source.CalendarType;
}
else
{
_calendarValue = null;
_calendarType = CalendarTypes.Days;
}
}
