public static async Task <ObservableCollection <ScheduleDTO> > GetAllAsync(bool deleted = false) { ObservableCollection <Schedule> Scheds = await ScheduleData.GetSchedulesAsync(); ObservableCollection <ScheduleDTO> returnList = new ObservableCollection <ScheduleDTO>(); foreach (Schedule sched in Scheds) { ScheduleDTO pdto = TransformToDTO(sched); returnList.Add(pdto); } return(returnList); }