IPeriodicSpecialDayCheck Method (DateTime, Int32)

Check whether a date matches this special day. A usage is returned if the date matches the specialday. See also optimized version below, to use when date.Months and date.Day is precalculated.

bool Check(
	DateTime date,
	out int usage
)

Function Check ( 
	date As DateTime,
	<OutAttribute> ByRef usage As Integer
) As Boolean

bool Check(
	DateTime date, 
	[OutAttribute] int% usage
)