예제 #1
0
        void DataStreamRead_End(IAsyncResult ar)
        {
            TransStateObjectStream stateObj = (TransStateObjectStream)ar.AsyncState;

            try
            {
                stateObj.UpdateContext();
                int num = DataStream.EndRead(ar);

                DTPStream userStream = (DTPStream)stateObj.UserStream;
                if (num > 0)
                {
                    long require = userStream.AvailableSpace;
                    if (num > require)
                    {
                        num = (int)require;
                    }

                    stateObj.Transfered += num;
                    OnDataTransfered(_workBuffer, num);

                    //write received data to user stream
                    userStream.BeginWrite(_workBuffer,
                                          0,
                                          num,
                                          new AsyncCallback(this.UserStreamWrite_End),
                                          stateObj);
                }
                else
                {
                    userStream.Flush();
                    OnCompleted();
                    stateObj.SetCompleted();
                }
            }
            catch (Exception e)
            {
                stateObj.Exception = e;
                stateObj.SetCompleted();
            }
            catch
            {
                NSTrace.WriteLineError("Non-CLS exception at: " + Environment.StackTrace);
                throw;
            }
        }