// Initialize the book database with some test books: static void AddBooks(BookDB bookDB) { bookDB.AddBook("The C Programming Language", "Brian W. Kernighan and Dennis M. Ritchie", 19.95m, true); bookDB.AddBook("The Unicode Standard 2.0", "The Unicode Consortium", 39.95m, true); bookDB.AddBook("The MS-DOS Encyclopedia", "Ray Duncan", 129.95m, false); bookDB.AddBook("Dogbert's Clues for the Clueless", "Scott Adams", 12.00m, true); }
static void Main(string[] a) { BookDB bookDB = new BookDB(); AddBooks(bookDB); Console.WriteLine("Paperback Book Titles: "); bookDB.ProcessPaperBackBooks(new ProcessBookDelegate(PrintTitle)); priceTotaller priceTotaller = new priceTotaller(); bookDB.ProcessPaperBackBooks(new ProcessBookDelegate(priceTotaller.AddBookToTotal)); Console.WriteLine("Average Paperback Book Price: ${0:#.##}", priceTotaller.AveragePrice()); }
static void Main(string[] args) { BookDB bookDB = new BookDB(); AddBooks(bookDB); Console.WriteLine("Paperback Book Titles:"); // Create a new delegate object associated with the static // method Test.PrintTitle: bookDB.ProcessPaperbackBooks(PrintTitle); // Get the average price of a paperback by using a PriceTotaller object: PriceTotaller totaller = new PriceTotaller(); // Create a new delegate object associated with the nonstatic method AddBookToTotal on the object totaller: bookDB.ProcessPaperbackBooks(new ProcessBookDelegate(totaller.AddBookToTotal)); Console.WriteLine("Average Paperback Book Price: ${0:#.##}", totaller.AveragePrice()); Console.Read(); }