public DocOffers(Docs docs)
{
if (Offer.Count >= n)
{
throw new LibraryException("Can't add more Offer's");
}
Offer.Add("Title:\t\t" + docs.Title + "\tAuthor:\t\t" + docs.Author);
docs.InLib = false;
}
//возможность взять книгу
public void AddBook(Docs docs)
{
if (Offer.Count >= n)
{
throw new LibraryException("Can't add more Offer's");
}
else if (docs.InLib == true)
{
Offer.Add("Title:\t\t" + docs.Title + "\tAuthor:\t\t" + docs.Author);
}
else
{
throw new LibraryException("Book take Visitor!!");
}
}