private void OnRemoveCommand()
{
BackupCashVoucher();
((CashVoucher <ICashVoucherItem>)ResultCashVoucher.SourceCollection).Remove(SelectedVoucherItem);
SelectedVoucherItem = _selectedPreviewVoucherItem;
CalculateTotal();
ResultCashVoucher.Refresh();
}
private void OnAcceptCommand()
{
BackupCashVoucher();
// ReSharper disable PossibleInvalidOperationException
SelectedVoucherItem.Count = NewCount.Value;
// ReSharper restore PossibleInvalidOperationException
CalculateTotal();
ResultCashVoucher.Refresh();
}
private void UpdateResultCashVoucher(IEnumerable cashVoucher)
{
var view = CollectionViewSource.GetDefaultView(cashVoucher);
if (view == null)
{
return;
}
view.Filter = null;
ResultCashVoucher = view;
if (ResultCashVoucher.SortDescriptions.IsEmpty())
{
ResultCashVoucher.SortDescriptions.Add(new SortDescription("Order", ListSortDirection.Descending));
}
ResultCashVoucher.Refresh();
}