为了能够使得驱动程序跟踪这些实例，系统会在实例创建完成后在每个驱动消息中带有一个驱动实例句柄。

To help the driver keep track of the instances, the system sends a driver instance handle with each driver message after the instance has been created.

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为了能够使得驱动程序跟踪这些实例，系统会在实例创建完成后在每个驱动消息中带有一个驱动实例句柄。

To help the driver keep track of the instances, the system sends a driver instance handle with each driver message after the instance has been created.

youdao