public ObservableCollection<StockWrapper> CreateCollection(IOStockType type)
{
if (type == IOStockType.NONE)
throw new ArgumentOutOfRangeException();
if (type == IOStockType.ALL)
return new ObservableCollection<StockWrapper>(_list);
else
return new ObservableCollection<StockWrapper>(_list.Where(x => x.StockType == type));
}
public int Count(IOStockType type = IOStockType.ALL)
{
if (type == IOStockType.NONE)
throw new ArgumentException();
if (IOStockType.ALL == type)
return _list.Count;
else
return _list.Where(x => x.StockType == type).Count();
}