Hi,
I tested the project of HIDEmuKbd, and replaced HidEmuKbd_sendReport(HID_KEYBOARD_UP_ARROW) with HidEmuKbd_sendReport(HID_KEYBOARD_LEFT_GUI), but it doesn't work.
My OS is Windows10. It seems that LWIN key message has not been sent to PC, while UP_ARROW is OK.
Thanks.
Andy