不过，此模式支持与事件引擎的同步交互，并可能接收到响应，指示最近的事件已触发了一个复杂事件。

However this pattern supports a synchronous interaction with the event engine and may receive a response which indicates that the latest event has triggered a complex event.

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牢记有两个参数来表示与代理的同步交互。

Remember that there are two parameters to indicate a synchronous interaction with the broker.

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设计器还会创建SQL精简版数据库文件作为本地数据缓存，并生成与同步服务进行交互的代码。

Designer also creates SQL ce.sdf database file to be used as local cache store as well as synchronization code necessary to interact with the sync Service.

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