Token = "sl.B7rnyEnvxxd-JcTKNUGp-osMJLfqK79ojSqINJc-rtpJlhgC6meGOUa-rM6gZGBAhHWVmrzuqt...";
    File  = "kJU6-a-pT48AAAAAAAAABw";

    Result = OPI_Dropbox.CancelFilePublication(Token, File);