| 1. | Event , which allows you to free cached resources as warranted
事件，该事件允许您根据担保释放缓存的资源。 |
| 2. | This event provides an opportunity to cancel the process before it is complete
此事件允许在该过程完成之前将其取消。 |
| 3. | Custom events allow the event to call its event handlers asynchronously
自定义事件允许事件异步调用它的事件处理程序。 |
| 4. | Event allows the drag source to determine whether the drag - and - drop operation should be canceled
事件允许拖动源确定是否应取消拖放操作。 |
| 5. | Custom events allow the application to use memory only for the events that it handles
自定义事件允许应用程序只为它处理的事件而使用内存。 |
| 6. | Method , and it provides an opportunity to cancel the moving process before it is complete
方法引发；该事件允许在移动过程完成前取消该过程。 |
| 7. | Demonstrates how to define a custom event that allows its event handlers to be called asynchronously
演示如何定义自定义事件，此事件允许异步调用其事件处理程序。 |
| 8. | Event allows a user to determine whether or not the fill operation should continue after the error occurs
事件允许用户确定出现错误后是否应继续执行填充操作。可能发生 |
| 9. | This event allows the user to do extra checking and , if necessary , throw an exception to stop the operation
此事件允许用户执行额外的检查，并在必要时引发异常，停止操作。 |
| 10. | Specifies the maximum length , in characters , of the event detail that is allowed for each event , as follows
指定每个事件允许的事件详细信息的最大长度（字符数） ，如下所示： |
