C# (CSharp) BookingApp.Logic BookingContext.ShowError примеры использования

Пример #1

 public override void EnterDetails(BookingContext booking, string attendee, int ticketCount)
 {
     booking.ShowError($"Invalid action for this state: ClosedState");
 }

Пример #2

 public override void DatePassed(BookingContext booking)
 {
     booking.ShowError($"Invalid action for this state: ClosedState");
 }