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NI:genericusbfnioctl.IOCTL_GENERICUSBFN_GET_CLASS_INFO_EX |
IOCTL_GENERICUSBFN_GET_CLASS_INFO_EX (genericusbfnioctl.h) |
This I/O control code (IOCTL) is sent by a user-mode service or application to retrieve information about a device's available pipes as configured in the registry. |
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buses\ioctl_genericusbfn_get_class_info_ex.htm |
buses |
9FC6E1F4-65AF-4315-B7F2-241E74820742 |
12/05/2018 |
IOCTL_GENERICUSBFN_GET_CLASS_INFO_EX, IOCTL_GENERICUSBFN_GET_CLASS_INFO_EX control, IOCTL_GENERICUSBFN_GET_CLASS_INFO_EX control code [Buses], buses.ioctl_genericusbfn_get_class_info_ex, genericusbfnioctl/IOCTL_GENERICUSBFN_GET_CLASS_INFO_EX |
genericusbfnioctl.h |
GenericUsbFnIoctl.h |
Windows |
Windows |
19H1 |
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This I/O control code (IOCTL) is sent by a user-mode service or application to retrieve information about a device's available pipes as configured in the registry.
NULL.
None.
A USBFN_CLASS_INFORMATION_PACKET_EX that provides information about the available pipes for a device.
The size of a USBFN_CLASS_INFORMATION_PACKET_EX structure.
Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful. Otherwise, Status to the appropriate error condition as a NTSTATUS code.
If this I/O control code (IOCTL) is being called synchronously, set the lpOverlapped parameter to NULL. If this IOCTL is called asynchronously, assign the lpOverlapped parameter to a pointer to an OVERLAPPED structure that contains a handle to an event object. The event objects signal when the operation is completed.
The return value is a BOOL value that indicates success or failure of the operation. TRUE indicates success, FALSE otherwise.