如需有关在元件或控制项中使用委派来提供事件功能的详细资讯，请参阅引发事件。

For details on using delegates to provide event functionality in your component or control, see Raising an event.

youdao

如需有关在元件或控制项中使用委派来提供事件功能的详细资讯，请参阅引发事件。

For details on using delegates to provide event functionality in your component or control, see Raising an event.

youdao