C# (CSharp) FirstPeriod примеры использования

Пример #1

 public NonContiguousDateTimePeriod AddYears(int years)
 {
     return(new NonContiguousDateTimePeriod(FirstPeriod.AddYears(years), SecondPeriod.AddYears(years)));
 }

Пример #2

 public bool Contains(DateTime dt)
 {
     return(FirstPeriod.Contains(dt) || SecondPeriod.Contains(dt));
 }