Support Board

ForecastOverlay.ExtendedArrayElementsToGraph = 50; //This is done in the sc.SetDefaults section

SCFloatArray PriceArray;
sc.GetChartArray(-ChartNumberToOverlay.GetChartNumber(), InputData.GetInputDataIndex(), PriceArray);
// ^^ Gets data from the chart being overlayed, in this case its the price forecast ^^
  
int TheirIndex = sc.GetNearestMatchForDateTimeIndex(ChartNumberToOverlay.GetChartNumber(), sc.Index);
ForecastOverlay[sc.Index] = PriceArray[TheirIndex];
// ^^ The above code matches the overlay up to the current bar just fine ^^

int NumberOfBarsToForwardPlot = ForecastOverlay.ExtendedArrayElementsToGraph;
if(sc.Index >= sc.ArraySize)  
  {
    for (int i = sc.ArraySize;i < sc.ArraySize + NumberOfBarsToForwardPlot ;i++)
    {  
      ForecastOverlay[i] = PriceArray[i];  
    }
  }
// ^^ This is the code I am using adapted from the scsf_ExtendedArraySample that seems to do nothing. ^^

SCSFExport scsf_ForwardProjectionBars(SCStudyInterfaceRef sc)
{
  SCSubgraphRef Open = sc.Subgraph[0];
  SCSubgraphRef High = sc.Subgraph[1];
  SCSubgraphRef Low = sc.Subgraph[2];
  SCSubgraphRef Last = sc.Subgraph[3];


  if (sc.SetDefaults)
  {
    // Set the configuration and defaults
    sc.FreeDLL = 0;

    sc.GraphName = "Forward Projection Bars";

    sc.AutoLoop = 1;
    sc.GraphRegion = 1;
    sc.GraphDrawType=GDT_OHLCBAR;

    Open.Name = "Open";
    Open.DrawStyle = DRAWSTYLE_LINE;
    Open.PrimaryColor = RGB(0,255,0);
    Open.DrawZeros = false;
     Open.ExtendedArrayElementsToGraph= 100;

    High.Name = "High";
    High.DrawStyle = DRAWSTYLE_LINE;
    High.PrimaryColor = RGB(0,255,0);
    High.DrawZeros = false;
    High.ExtendedArrayElementsToGraph= 100;

    Low.Name = "Low";
    Low.DrawStyle = DRAWSTYLE_LINE;
    Low.PrimaryColor = RGB(0,255,0);
    Low.DrawZeros = false;
    Low.ExtendedArrayElementsToGraph= 100;

    Last.Name = "Last";
    Last.DrawStyle = DRAWSTYLE_LINE;
    Last.PrimaryColor = RGB(0,255,0);
    Last.DrawZeros = false;
    Last.ExtendedArrayElementsToGraph= 100;


    return;
  }

  // Do data processing

  //Repeat last bar into forward projection area.
  if(sc.Index+1 >= sc.ArraySize)  
  {
    for (int Index = sc.ArraySize ; Index < sc.ArraySize + Open.ExtendedArrayElementsToGraph ; Index++)
    {  
      Open[Index] = sc.Open[sc.Index];
      High[Index] = sc. High[sc.Index];
      Low[Index] = sc. Low[sc.Index];
      Last[Index] = sc. Close[sc.Index];
    }
  }

  return;
}

int NumberOfBarsToForwardPlot = ForecastOverlay.ExtendedArrayElementsToGraph;
if(sc.Index >= sc.ArraySize)
{
for (int i = sc.ArraySize;i < sc.ArraySize + NumberOfBarsToForwardPlot ;i++)
{
ForecastOverlay[i] = PriceArray[i];
}
}

if(sc.Index >= sc.ArraySize)

if(sc.Index+1 >= sc.ArraySize)

if(sc.Index+1 >= sc.ArraySize)  
  {
    for (int i = sc.ArraySize;i < sc.ArraySize + NumberOfBarsToForwardShift ;i++)
    {  
      int PriceArrayShift = i - sc.ArraySize +1;
      ForecastOverlay[i] = PriceArray[TheirIndex + PriceArrayShift];
    }
  }