public void AddBook(string name, AddBookCallback callback)
{
// must declare each function, nullableException
books.Add(new Book(name));
Callback(books.Count);
callback(books.Count);
bool foo = Verify();
////BooktrackerAction.Invoke(books.Count);
////BooktrackerActionInit.Invoke(books.Count);
////BooktrackerActionEvent(books.Count);
}
public void Add(string name)
{
Booktracker booktracker = new Booktracker();
AddBookCallback addBookCallback = i => Console.WriteLine($"line1: {i}");
addBookCallback += i => Console.WriteLine($"line2: {i}");
addBookCallback += WriteLine3;
booktracker.Callback = addBookCallback;
////AddBookCallback addBookCallbackPram = i => Console.WriteLine($"Param line1: {i}");
////addBookCallbackPram += i => Console.WriteLine($"Param line2: {i}");
////booktracker.BooktrackerAction += i => Console.WriteLine($"Action line1: {i}");
////booktracker.BooktrackerAction.Invoke(1); // Violate Access
////booktracker.BooktrackerActionEvent += i => { Console.WriteLine($"Param line1: {i}"); };
////booktracker.BooktrackerActionEvent -= null;
////booktracker.AddBook("a", booktracker.Callback);
////booktracker.AddBook(name, addBookCallbackPram);
}
public void AddBook(string name, AddBookCallback callback)
{
books.Add(new Book(name));
callback(books.Count);
}
