public void ProcessPaperbackBooks(ProcessBookCallbackDelegate processBook)
{
foreach (Book b in list)
{
if (b.PaperBack)
{
processBook(b);
}
}
}
static void Main(string[] args)
{
BookDB books = new BookDB();
books.AddBook("Book1", "Author1", 150, true);
books.AddBook("Book2", "Author2", 250, true);
books.AddBook("Book3", "Author3", 350, true);
books.AddBook("Book4", "Author4", 450, true);
ProcessBookCallbackDelegate d = new ProcessBookCallbackDelegate(SellBook);
d += RentBook;
books.ProcessPaperbackBooks(d);
}
