private void _Reset()
{
var promptRequired = App.Settings.PromptBeforeClear && UnitPrices.Any(x => x.Model.Price != 0 || x.Model.Volume != 0);
if (promptRequired && MessageBox.Show(AppResources.MSG_ResetCurrentPrices, AppResources.Title_Reset, MessageBoxButton.OKCancel) == MessageBoxResult.Cancel)
{
return;
}
UnitPrices = new UnitPriceCollectionViewModel
{
new UnitPriceViewModel
{
GetFocusWhenLoaded = true
},
new UnitPriceViewModel()
};
}
public void LoadStateFromIsolatedStorage()
{
var collectionViewModel = new UnitPriceCollectionViewModel();
try
{
var prices = new IsolatedStorageSerializer <UnitPrice[]>().ReadObject(STATE_FILE);
collectionViewModel.Add(prices);
}
catch (Exception)
{
collectionViewModel.Add(new UnitPriceViewModel());
collectionViewModel.Add(new UnitPriceViewModel());
}
var zero = collectionViewModel.FirstOrDefault(x => x.Model.Price == 0 && x.Model.Volume == 0);
if (zero != null)
{
zero.GetFocusWhenLoaded = true;
}
UnitPrices = collectionViewModel;
}