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What does the IsDeviceHighSpeed function indicate?

April 26, 2017function indicate

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What does the IsDeviceHighSpeed function indicate?

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The IsDeviceHighSpeed bus driver interface function returns the actual operational mode of the device in its current tree topology. If a device that supports high speed is connected to a USB 1.1 hub or a full-speed host controller, the function will indicate that the device is working at full speed. For more details, see the function’s reference page in the WDK.