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  • [转]Event Model

    An event model is composed of the event source, the event itself, and the event listener: the event source, or provider, is the sender of the events; the event is the object that is sent; and the event listener, or event sink, is the receiver of the events.

    An event model is a set of classes and interfaces that determine how these components relate to each other.

    On the event source side, an event model determines how components may...

    • create and describe events,
    • trigger, or fire, events, or
    • distribute events to interested components.

    On the listener side, an event model determines how components may...

    • subscribe to event sources,
    • react to events when received, or
    • remove the subscription to event sources when desired. 
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  • 原文地址:https://www.cnblogs.com/ajeyone/p/2298038.html
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