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SCSFExport scsf_UseToolExampleDrawingCycle(SCStudyInterfaceRef sc)
{
  // Set configuration variables
  if (sc.SetDefaults)
  {
    sc.GraphName = "UseTool Example: Cycle";
    sc.GraphRegion = 1;
    sc.FreeDLL = 0;
    sc.AutoLoop = 0; //No automatic looping

    return;
  }

  int& r_LineNumber = sc.GetPersistentInt(1);

  if (sc.IsFullRecalculation)
  {
    r_LineNumber = 0;
  }

  //Add or update cycle drawing.
  s_UseTool Tool;
  Tool.Clear();
  Tool.ChartNumber = sc.ChartNumber;
  Tool.Region = 1;
  if (r_LineNumber != 0)
    Tool.LineNumber = r_LineNumber;
  Tool.DrawingType = DRAWING_CYCLE;
  Tool.BeginDateTime = sc.BaseDateTimeIn[sc.ArraySize - 100];
  Tool.EndDateTime = sc.BaseDateTimeIn[sc.ArraySize - 90];
  Tool.Color = RGB(255, 255, 0);
  Tool.LineWidth = 5;
  Tool.NumCycles = 5;
  Tool.AddMethod = UTAM_ADD_OR_ADJUST;

  if (sc.UseTool(Tool) > 0)
    r_LineNumber = Tool.LineNumber;

}