Actually, I emailed you for the same question almost five years ago. But I was not able to implement it because of my lack of programming skill.
However, I am so glad it is solved now.
in everything_ipc.h, the value EVERYTHING_IPC_WM_QUERY_GET_SELECTION_FULL_PATH_AND_NAME is not found. I tried EVERYTHING_IPC_ID_FILE_COPY_FULL_PATH_AND_NAME successfully, but now I am trying to get the selected file path from Everything without changing user's clipboard. So is EVERYTHING_IPC_WM_QUER...