Method DoSendCancel

library/cpp/netliba/v6/udp_http.cpp:707–712

            Host->Wait(0.1f);
        }
        void DoSendCancel(const TUdpAddress& addr, const TGUID& req) {
            TAutoPtr<TRopeDataPacket> ms = new TRopeDataPacket;
            ms->Write((char)PKT_CANCEL);
            ms->Write(req);
            SendWithHighPriority(addr, ms);
        }
        void DoSends() {
            {
                TBreakRequest rb;