C# (CSharp) Task_8_2 ItemCollectionEventArgs示例

示例#1

 private void _orderItems_OrderItemRemved(object sender, ItemCollectionEventArgs e)
 {
     Console.WriteLine($"The item with number {e.OrderItem.PartNumber} is removed.");
 }

示例#2

 protected virtual void OnOrderItemRemoved(ItemCollectionEventArgs eventArgs)
 {
     OrderItemRemoved.Invoke(this, eventArgs);
 }