WDU_GetDeviceInfo()

DWORD DLLCALLCONV WDU_GetDeviceInfo	(	_In_ WDU_DEVICE_HANDLE	hDevice,
		_Outptr_ WDU_DEVICE **	ppDeviceInfo
	)

Gets configuration information from the device including all the descriptors in a WDU_DEVICE struct.

The caller should free *ppDeviceInfo after using it by calling WDU_PutDeviceInfo().

Parameters

[in]	hDevice	A unique identifier for the device/interface.
[out]	ppDeviceInfo	Pointer to a pointer to a buffer containing the device information.

Returns

WinDriver Error Code

DWORD dwStatus;
WDU_DEVICE *pDevice = NULL;
 
dwStatus = WDU_GetDeviceInfo(hDevice, &pDevice);
if (dwStatus)
{
    printf("WDU_GetDeviceInfo failed. error 0x%lx "
        "(\"%s\")\n", dwStatus, Stat2Str(dwStatus));
    goto Exit;
}
 
printf("This device has %d configurations:\n",
    pDevice->Descriptor.bNumConfigurations);
/* For full code with usage of the WDU_DEVICE information struct,
    please refer to the USB sample code (samples/c/usb_diag)*/
 
Exit:
if (pDevice)
    free(pDevice);