/// <summary>
/// Moves the period backwards in time according to the type set. If Type == PeriodType.Year, the start and end is moved -1 year.
/// </summary>
public void Subtract()
{
switch (Type)
{
case PeriodType.Year:
Start = Start.AddYears(-1);
End = End.AddYears(-1);
break;
case PeriodType.Halfyear:
Start = Start.AddMonths(-6);
End = End.AddMonths(-6);
break;
case PeriodType.Month:
Start = Start.AddMonths(-1);
End = End.AddMonths(-1);
break;
default:
break;
}
}
public void YearForward()
{
Start = Start.AddYears(1);
Finish = Finish.AddYears(1);
}
public void YearBack()
{
Start = Start.AddYears(-1);
Finish = Finish.AddYears(-1);
}
public DateTimeRange SpreadByYears(int yearsStart, int yearsEnd)
{
return(new DateTimeRange(
start: Start.AddYears(-yearsStart),
end: End.AddYears(yearsEnd)));
}