HID usage page; this callback only emits vendor-defined pages 0xFF00 and above.
HID usage within the page.
Space-separated hex representation of the raw report bytes.
Raw HID report bytes. Each entry is an integer from 0 through 255.
Human-readable product name of the device, or null if unknown.
Device path string, or null if unavailable.
Raw HID report received by
HID.OnRawEvent.