Exemplos de LibraryHelper.CheckoutBooks em C# (CSharp)

Exemplo n.º 1

        private void BtnCheckOut_Click(object sender, EventArgs e)
        {
            if (lstSelectBook.SelectedIndex != -1)
            {
                var selectedItems = lstSelectBook.SelectedItems;

                List <Book> uncheckedBooks =
                    LibraryHelper.GetAllUncheckedBooks();

                List <Book> selectedBooks = GetSelectedItems(
                    selectedItems);

                if (LibraryHelper.CheckoutBooks(selectedBooks))
                {
                    MessageBox.Show("Check-Out Successful.");

                    LoadBoxes();
                }
                else
                {
                    MessageBox.Show("Check-Out Unsuccessful.");
                }
            }
            else
            {
                MessageBox.Show("Nothing selected.");
            }
        }