Support Board

  if (sc.SetDefaults) {
    sc.GraphName = "My Custom Study";
    sc.GraphRegion = 0;
    sc.AutoLoop = 1;
    sc.UpdateAlways = 1;
    sc.MaintainVolumeAtPriceData = 1;

    return;
  }
  //std::vector <int> ProfileValues;
  //ProfileValues.clear();
  //for (double LevelCount {VbP_Lowest}; LevelCount<=VbP_Highest; LevelCount+=0.25)
  //ProfileValues.push_back(0);
  
  int TotalLevels = (int)((VbP_Highest - VbP_Lowest) / 0.25) + 1;
  int ProfileValues[4000] {};
  // int array size 4000 (ticks) or 1000 points is probably good enough
  // as this code was written in July 2025
  // largest daily range was recorded on Apr.09, 2025, 532.91 points
  
  for (int IndexCount {ProfileStartIndex}; IndexCount<=ProfileEndIndex; IndexCount++) {  
    const s_VolumeAtPriceV2 *p_VolumeAtPrice=NULL;
    int VAPSizeAtBarIndex = sc.VolumeAtPriceForBars->GetSizeAtBarIndex(IndexCount);

    for (int VAPIndex {0} ; VAPIndex<VAPSizeAtBarIndex; VAPIndex++) {
      if (!sc.VolumeAtPriceForBars->GetVAPElementAtIndex(IndexCount, VAPIndex, &p_VolumeAtPrice))
        break;
      int IndexID {(int)((sc.Low[IndexCount] + 0.25*VAPIndex - VbP_Lowest) / 0.25)};
      ProfileValues[IndexID] += p_VolumeAtPrice->Volume;
    }
  }

  int HighestVolume {0};
  for (int IndexCount {0}; IndexCount<TotalLevels; IndexCount++) {
    if (ProfileValues[IndexCount] > HighestVolume)
      HighestVolume = ProfileValues[IndexCount];
  }
  
  int HorizShift = sc.IndexOfFirstVisibleBar + 137;
  int BaseLine = (VbP_Lowest + VbP_Highest) / 2.0 - 17.0;
  for (int IndexCount{HorizShift}; IndexCount<TotalLevels+HorizShift; IndexCount++)
    ProfileLine[IndexCount] = BaseLine + 20.0*ProfileValues[IndexCount-HorizShift]/HighestVolume;
  AddDrawing(sc, UniqueNumber++, 1, HorizShift, TotalLevels+HorizShift, DRAWING_LINE, BaseLine, BaseLine, RGB(37,37,37), 1, "");
  
  int IndexOfLastPrice {(int)((sc.Close[sc.Index] - VbP_Lowest) / 0.25) + HorizShift};
  AddDrawing(sc, UniqueNumber++, 0, IndexOfLastPrice, IndexOfLastPrice, DRAWING_LINE, BaseLine, BaseLine+20, RGB(37,37,37), 1, "");