取消编辑

• This value indicates that a cell tried to cancel an edit and the rollback to the initial value failed
  该值表示单元格尝试取消编辑，但回滚到初始值失败。
• This allows you to provide an event - handling method that performs a custom routine , such as canceling the edit operation , whenever this event occurs
  事件。这使您可以提供一个这样的事件处理方法，即每次发生此事件时执行一个自定义例程（如取消编辑操作） 。