public void AddItemToBag(BagItem addItem)
{
if (addItem == null)
{
throw new ArgumentNullException("addItem");
}
mItemsInBag.Add(addItem);
}
public void RemoveItemFromBag(BagItem removeItem)
{
if (removeItem == null)
{
throw new ArgumentNullException("removeItem");
}
if (!mItemsInBag.Remove(removeItem))
{
throw new InvalidOperationException("removeItem(" + removeItem.ItemName + ") Was not in the shopping bag.");
}
}
public BagItem(BagItem copy)
{
mItemName = copy.ItemName;
}