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##

# 3.2.4.40 USB_HOST_DEVICE_OBJ_HANDLE_INVALID Macro

## C

    #define USB_HOST_DEVICE_OBJ_HANDLE_INVALID ((USB_HOST_DEVICE_OBJ_HANDLE)(-1))

## Summary

USB Host Invalid Device Object Handle

This constant defines an invalid USB Device Object Handle. The USB_HOST_DeviceGetFirst() and the USB_HOST_DeviceGetNext() functions return this value in the deviceObjHandle member of the USB_HOST_DEVICE_INFO object when there are no attached devices to report.

## Remarks

None.