Token = "sl.B9HHnFxl9-J3oLueLt54-qjl0GSSVNyh2I9wzwE3710eelU9a0HoNCFC-kPTP5LvOi2f0f1gli...";
    File  = "kJU6-a-pT48AAAAAAAAABw";

    Result = OPI_Dropbox.CancelFilePublication(Token, File);