private async void OpenEditEatingDayDialogAsync(EatingDay day) { var dayClone = day.Clone(); var dialog = _dialogs.For <EatingDayDialogViewModel>(DialogsIdentifier); dialog.Data.DialogTitle = "Modified day"; dialog.Data.SubmitButtonTitle = "Save"; dialog.Data.EatingDay = EatingDayViewModel.FromModel(dayClone); var dialogResult = await dialog.Show(); if (dialogResult != DialogResult.Ok) { return; } dayClone = dialog.Data.EatingDay.ToModel(); Days.Replace(day, dayClone); _eatingDayRepository.Update(dayClone); }