private void OnItemUpdated(object sender, ItemUpdatedEventArgs e)
{
this.Dispatcher.BeginInvoke(() =>
{
if (e.Error != null)
{
MessageBox.Show(e.Error.Message, e.Error.GetType().Name, MessageBoxButton.OK);
return;
}
// Remove Draft Item from local storage if update to server is successful.
DraftItemStore.RemoveDraftItem(viewModel.ID.ToString());
this.NavigationService.Navigate(new Uri("/Views/List.xaml", UriKind.Relative));
});
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
// Include initialization of ViewModel here rather than in constructor to be able to use QueryString value.
if (viewModel == null)
{
viewModel = DraftItemStore.GetDraftItemById(NavigationContext.QueryString["ID"].ToString());
}
this.DataContext = viewModel;
viewModel.InitializationCompleted += new EventHandler <InitializationCompletedEventArgs>(OnViewModelInitialization);
viewModel.ItemUpdated += new EventHandler <ItemUpdatedEventArgs>(OnItemUpdated);
viewModel.Initialize();
base.OnNavigatedTo(e);
}
public void SaveAsDraft()
{
DraftItemStore.AddDraftItem(this.ID.ToString(), this);
}
