// Initialize the book database with some test books:
static void AddBooks(BookStore bookDB)
{
bookDB.AddBook("Life 3.0", "Max Tegmark", 19.95m, true);
bookDB.AddBook("Professional Android 4th edition", "Reto Meijer", 28.50m, false);
bookDB.AddBook("It", "Stephan King", 27m, true);
bookDB.AddBook("Origin", "Dan Brown", 17.95m, true);
}
static void Main(string[] args)
{
const int MAXBOOKS = 10;
Console.WriteLine($"Books to add in bookstore: {MAXBOOKS}\n");
//test delegate
BookStore l = new BookStore();
//add a book with a custom callback
l.AddBook("C# Delegate Sample", 25.99m, delegate(string message, decimal averagePrice) {
Console.WriteLine("Custom callback. Message: {0}, Average Price {1:C2}", message, averagePrice);
});
//add many books with a common callback
ProcessBookCountCallback commonCallback = new ProcessBookCountCallback(delegate(string message, decimal averagePrice) {
Console.WriteLine($"Common callback. Message: {message}, Average Price: {averagePrice.ToString("C2")}");
});
for (int i = 0; i < 10; i++)
{
decimal randomPrice = r.Next(0, 11) * 0.99m;
l.AddBook($"C# Delegate Sample {i}", randomPrice, commonCallback);
}
Console.ReadLine();
}
// connect with the model to add items
private void AddBook()
{
Enum.TryParse(comboCategory.Text, out eCategory category);
Book item = new Book(Int32.Parse(txtEdition.Text), Int32.Parse(txtIsbn.Text), txtItemName.Text, DateTime.Parse(dateTime.Text),
Convert.ToDouble(txtPrice.Text), Int32.Parse(txtCopyNumber.Text), txtTopic.Text, category, Convert.ToInt32(nUDStock.Value));
bs.AddBook(item);
}