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This function sends a request to a USB device for information about alternate device settings.
USB_TRANSFER GetInterface( 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.
- lpvNotifyParameter
- [IN] Pointer to a parameter to pass to the callback routine.
- dwFlags
- [IN] Specifies either of the values USB_NO_WAIT or 0.
- bInterfaceNumber
- [IN] Specifies the interface number.
- lpbAlternateSetting
- [OUT] Filled in with 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
Runs on Versions Defined in Include Link to Windows CE OS 2.10 and later Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
See Also
AbortTransfer, GetTransferStatus, IsTransferComplete, SetInterface
Last updated on Tuesday, July 13, 2004