LPGET_INTERFACE (Windows CE 5.0)
This function sends a request to a universal serial bus (USB) device for information about alternate device settings.
typedef USB_TRANSFER (* LPGET_INTERFACE)( USB_HANDLE hDevice, LPTRANSFER_NOTIFY_ROUTINE lpStartAddress, LPVOID lpvNotifyParameter, DWORD dwFlags, UCHAR bInterfaceNumber, PUCHAR lpbAlternateSetting);
Parameters
- hDevice
[in] Handle to a USB device. - lpStartAddress
[in] Non-null pointer to a callback routine of type LPTRANSFER_NOTIFY_ROUTINE. - lpvNotifyParameter
[in] Pointer to a parameter to pass to the callback routine. - dwFlags
[in] Value of USB_NO_WAIT or zero (0). - bInterfaceNumber
[in] Interface number. - lpbAlternateSetting
[out] Current alternate setting value.
Return Values
A USB_TRANSFER handle indicates success. NULL indicates failure.
Remarks
This function initiates a control transfer to a USB device, requesting the alternate setting selected for the specified interface.
Requirements
OS Versions: Windows CE 2.10 and later.
Header: Usbdi.h.
See Also
LPABORT_TRANSFER | LPGET_TRANSFER_STATUS | LPIS_TRANSFER_COMPLETE | LPTRANSFER_NOTIFY_ROUTINE | LPSET_INTERFACE
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