USB Libraries Help > USB Device Libraries > USB HID Device Library > Library Interface > b) Data Types and Constants > USB_DEVICE_HID_TRANSFER_HANDLE_INVALID Macro
MPLAB Harmony USB Stack
USB_DEVICE_HID_TRANSFER_HANDLE_INVALID Macro

USB Device HID Function Driver Invalid Transfer Handle Definition 

This definition defines a USB Device HID Function Driver Invalid Transfer Handle. A Invalid Transfer Handle is returned by the USB_DEVICE_HID_ReportReceive and USB_DEVICE_HID_ReportSend functions when the request was not successful.

C
#define USB_DEVICE_HID_TRANSFER_HANDLE_INVALID 
Remarks

None.