/// <summary>
/// Adds a new item to the offer.
/// </summary>
/// <param name="item"><see cref="OfferItem"/> that should be added to the offer.</param>
protected internal virtual void AddItem(OfferItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (item.Offer != null)
{
throw new ArgumentException("Item is already contained in an offer.");
}
item.Offer = this;
_items.Add(item);
}
/// <summary>
/// Adds a new item to the offer.
/// </summary>
/// <param name="item"><see cref="OfferItem"/> that should be added to the offer.</param>
protected internal virtual void AddItem(OfferItem item)
{
if (item == null)
throw new ArgumentNullException("item");
if (item.Offer != null)
throw new ArgumentException("Item is already contained in an offer.");
item.Offer = this;
_items.Add(item);
}
