Support Board

#include "sierrachart.h"

SCDLLName("VolumePointOfControlForBars+")

SCSFExport scsf_VolumePointOfControlForBars(SCStudyInterfaceRef sc)
{
SCSubgraphRef Subgraph_VPOC = sc.Subgraph[0];
s_SCInput_145& In_MaxBarVolume = sc.Input[0];

if (sc.SetDefaults)
{
sc.GraphName = "Volume Point of Control for Bars+";
sc.AutoLoop = 0;
sc.MaintainVolumeAtPriceData = true;
sc.GraphRegion = 0;

Subgraph_VPOC.Name = "VPOC";
Subgraph_VPOC.DrawStyle = DRAWSTYLE_SQUARE_OFFSET_LEFT_FOR_CANDLESTICK;
Subgraph_VPOC.LineWidth = 8;
Subgraph_VPOC.PrimaryColor = RGB(255, 128, 0);
Subgraph_VPOC.DrawZeros = 0; // IMPORTANT: 0-value hides the marker

In_MaxBarVolume.Name = "Max Bar Total Volume to Show VPOC (0 = No Limit)";
In_MaxBarVolume.SetFloat(0.0f);

return;
}

const double maxBarVol = In_MaxBarVolume.GetFloat();

// Do data processing
for (int BarIndex = sc.UpdateStartIndex; BarIndex < sc.ArraySize; ++BarIndex)
{
// If limit is set (>0) and this bar's total volume exceeds it, hide VPOC
const double barVol = sc.Volume[BarIndex];
if (maxBarVol > 0.0 && barVol > maxBarVol)
{
Subgraph_VPOC[BarIndex] = 0.0f; // hidden due to DrawZeros=0
continue;
}

s_VolumeAtPriceV2 VAP;
sc.GetPointOfControlPriceVolumeForBar(BarIndex, VAP);

if (VAP.PriceInTicks != 0)
{
Subgraph_VPOC[BarIndex] = static_cast<float>(sc.TicksToPriceValue(VAP.PriceInTicks));
}
else
{
// No POC found: ensure we don't leave stale values
Subgraph_VPOC[BarIndex] = 0.0f; // hidden
}
}
}