public override string GenerateWhen(CultureInfo preferedCulture, ExTimeZone preferredTimeZone)
 {
     return(CalendarItem.InternalWhen(this, null, false, preferredTimeZone).ToString(preferedCulture));
 }
 public override string GenerateWhen()
 {
     return(CalendarItem.InternalWhen(this, null, false).ToString(base.Session.InternalPreferedCulture));
 }