例如，向一个网络驱动器复制块相对比较简单，但是，处理故障和暂时断电(以及随后的驱动器同步)才是真正解决方案的开始。

For example, replicating blocks to a networked drive is fairly simple, but handling failures and transient outages (and the resulting synchronization of the drives) is where the real solution begins.

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会在非同步回传的处理开始之前，以及回传要求传送到伺服器之前引发。

Raised before the processing of an asynchronous postback starts and the postback request is sent to the server.

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开始非同步的作业，接收具有已指定逾时以及与该作业关联之状态物件的讯息。

Begins an asynchronous operation to receive a message that has a specified time out and state object associated with it.

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开始非同步的作业，接收具有已指定逾时以及与该作业关联之状态物件的讯息。

Begins an asynchronous operation to receive a message that has a specified time out and state object associated with it.

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