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SCSFExport scsf_strategy_alerts_test(SCStudyGraphRef sc)
{

  int& line_number = sc.PersistVars->i1;
  int& text_number = sc.PersistVars->i2;

  if (sc.SetDefaults)
  {
    sc.GraphName = "test";
    sc.StudyDescription = "";
    sc.AutoLoop = 1; // true
    sc.GraphRegion = 0;
    sc.FreeDLL = 1;

    return;
  }

  if (sc.Index == 0)
  {

    // draw line
    s_UseTool tool;

    tool.ChartNumber = sc.ChartNumber;
    tool.DrawingType = DRAWING_LINE;

    tool.BeginValue = sc.BaseData[SC_LAST][sc.ArraySize - 1];
    tool.EndValue = sc.BaseData[SC_LAST][sc.ArraySize - 1];

    tool.BeginIndex = 0;
    tool.EndIndex = sc.ArraySize - 1;

    tool.Color = COLOR_BLUE;
    tool.LineWidth = 3;
    tool.LineStyle = LINESTYLE_SOLID;
    tool.AddMethod = UTAM_ADD_OR_ADJUST;

    sc.UseTool(tool);
    line_number = tool.LineNumber;

    // draw text
    tool.Clear();
    tool.ChartNumber = sc.ChartNumber;
    tool.Region = 0;
    tool.DrawingType = DRAWING_TEXT;
    tool.Text = "hi";
    tool.TextAlignment = DT_LEFT | DT_VCENTER;
    tool.AddMethod = UTAM_ADD_OR_ADJUST;
    tool.BeginDateTime = -2;
    tool.BeginValue = sc.BaseData[SC_LAST][sc.ArraySize - 1];
    tool.FontSize = 12;
    tool.FontBold = 1;
    tool.FontFace = "Ariel";
    tool.Color = COLOR_BLUE;
    tool.AddAsUserDrawnDrawing = 0;
    sc.UseTool(tool);

    text_number = tool.LineNumber;
  }


  // update
  
  if (sc.Index == sc.ArraySize - 2)
  {
    s_UseTool tool;
    tool.LineNumber = line_number;
    tool.EndIndex = sc.ArraySize - 1;
    tool.AddMethod = UTAM_ADD_OR_ADJUST;
    sc.UseTool(tool);
  }
}