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The sample:#define IOCTL_INTERNAL_USB_GET_BUSGUID_INFO CTL_CODE(FILE_DEVICE_USB, \\ USB_IOCTL_INDEX+11, \\ METHOD_BUFFERED, \\ FILE_ANY...

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回复(2) 2002-06-14 11:00 来自版块 - USB驱动开发

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: Nouk：Thank sir. That\'s my error. the keypoint is \"USB_IOCTL_INDEX+11\". I calc by wrong method. (2002-06-14 11:36)

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: dazzy：hi, Nouk: IOCTL_INTERNAL_USB_GET_BUSGUID_INFO is 220428 you can do to check it like this: #define ULONG unsigned long #define UCHAR ...(2002-06-14 11:23)

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Nouk

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