Support Board

// first-time init or full recalculation requested
if (!InitPerformed || sc.IsFullRecalculation)
{
// enable Async updates, VAP, and T&S data - then recalculate
if (!sc.UpdateAlways || !sc.UsesMarketDepthData || !sc.MaintainVolumeAtPriceData)
{
sc.UpdateAlways = true;
sc.ChartUpdateIntervalInMilliseconds = 250;
sc.MaintainVolumeAtPriceData = sc.UsesMarketDepthData = sc.FlagToReloadChartData = true;
sc.AddMessageToLog("✅INFO: Forcing async updates, T&S data, and VAP - reloading.", false);
}

// ensure time & sales data is available
c_SCTimeAndSalesArray Tape;
sc.GetTimeAndSales(Tape);
int TapeSize = Tape.Size();
if (TapeSize < 1) sc.AddMessageToLog("❌CRIT: Time & Sales data not available or disabled!", true);

// let us know initialization took place
sc.AddMessageToLog("✅INFO: Performed INIT of persistent global variables.", false);
}

////////////////////////////////////////////////////////////
// TRAVERSE TAPE RECORDS AND GATHER CUMULATIVE TOTALS
////////////////////////////////////////////////////////////

c_SCTimeAndSalesArray Tape;
sc.GetTimeAndSales(Tape);
int TapeSize = Tape.Size();

int HighTapeSequence = -1; // local scope, init

// figure out if any tape records exist now
if (TapeSize > 0) // not empty
{
HighTapeSequence = Tape[TapeSize - 1].Sequence; // highest current sequence
if (PriorTapeSequence == -1) PriorTapeSequence = HighTapeSequence; // init
}