async Task ExecuteLoadPlantsCommand() { if (IsBusy) { return; } IsBusy = true; try { Plants.Clear(); var items = await DataStore.GetPlantsAsync(true); Plants.ReplaceRange(items); } catch (Exception ex) { Debug.WriteLine(ex); // MessageDialog.SendMessage("Unable to load items.", "Error"); } finally { IsBusy = false; } }