private void Button_Click(object sender, RoutedEventArgs e) { Toy NewToy = new Toy(); NewToy.Price = Convert.ToDouble(txtPrice.Text); if (string.IsNullOrEmpty(txtManufacturer.Text)) { MessageBox.Show("Please enter a manufacturer"); } else { NewToy.Manufacturer = txtManufacturer.Text; } if (string.IsNullOrEmpty(txtName.Text)) { MessageBox.Show("Please enter a toy name"); } else { NewToy.Name = txtName.Text; } if (double.TryParse(txtPrice.Text.ToString(), out double f)) { NewToy.Price = Convert.ToDouble(txtPrice.Text); } else { MessageBox.Show("Please enter a valid price"); } lbToys.Items.Add(NewToy); }
private void lbToys_SelectionChanged(object sender, SelectionChangedEventArgs e) { Toy selectedToy = (Toy)lbToys.SelectedItem; MessageBox.Show(selectedToy.GetAisle()); }