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SCSFExport scsf_ReadChartBarRecordsFromUnderlyingIntradayFileExample(SCStudyInterfaceRef sc)
{
  SCSubgraphRef SubGraph_Volume = sc.Subgraph[0];

  if (sc.SetDefaults)
  {
    // Set the configuration and defaults

    sc.GraphName = "Read Chart Bar Records from Underlying Intraday File Example";
    
    sc.AutoLoop = 0;

    // This must be set to 1 in order to use the sc.ReadIntradayFileRecordForBarIndexAndSubIndex function.
    sc.MaintainAdditionalChartDataArrays = 1;

    SubGraph_Volume.Name = "File Volume";
    SubGraph_Volume.DrawStyle = DRAWSTYLE_BAR;
    SubGraph_Volume.LineWidth = 2;
    SubGraph_Volume.PrimaryColor = RGB(255, 0, 128);
    SubGraph_Volume.DrawZeros = false;

    return;
  }

  if (sc.LastCallToFunction)
    return;

  s_IntradayRecord IntradayRecord;

  for (int BarIndex = sc.ArraySize - 10; BarIndex < sc.ArraySize; BarIndex++)
  {
    int ReadSuccess = true;
    bool FirstIteration = true;
    uint32_t TotalVolume = 0;
    int SubIndex = 0;//Start at first record within bar

    //Read records until sc.ReadIntradayFileRecordForBarIndexAndSubIndex returns 0
    while (ReadSuccess)
    {
      IntradayFileLockActionEnum IntradayFileLockAction = IFLA_NO_CHANGE;

      if (FirstIteration)
      {
        IntradayFileLockAction = IFLA_LOCK_READ_HOLD;

        FirstIteration = false;
      }

      ReadSuccess = sc.ReadIntradayFileRecordForBarIndexAndSubIndex(BarIndex, SubIndex, IntradayRecord, IntradayFileLockAction);

      if (ReadSuccess)
      {
        TotalVolume += IntradayRecord.TotalVolume;
        ++SubIndex;
      }
    }

    sc.ReadIntradayFileRecordForBarIndexAndSubIndex(-1, -1, IntradayRecord, IFLA_RELEASE_AFTER_READ);

    SubGraph_Volume.Data[BarIndex] = TotalVolume;
  }
  
}