Initiates an asynchronous peek operation by telling message Queuing to begin peeking a message and notify the event handler when finished.

启动一个没有超时设定的异步查看操作。直到队列中出现消息时，才完成此操作。

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Initiates an asynchronous peek operation that has a specified time-out and that USES a specified cursor, a specified peek action, and a specified state object.

启动异步查看操作，此操作具有指定的超时并使用指定的游标、指定的查看操作和指定的状态对象。

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