为了处理被反射过来的控件通知消息，使用列于下表的消息映射宏和函数原型。

To handle a reflected control notification message, use the message-map macros and function prototypes listed in the table below.

youdao

向选定的类或对象添加消息处理程序，然后以新函数打开文本编辑器，以便可以添加控件通知处理程序代码。

Adds the message handler to the selected class or object, and then opens the text editor to the new function so you can add the control notification handler code.

youdao

然后发生该事件的通知会发送给控件中为该事件类型注册的所有监听器，发送顺序是这些监听器在控件上的注册顺序。

This is followed by notification of event occurrence to all listeners of the widget registered for that same event type and in the order in which the listeners were registered on widget.

youdao