protected override void CalcBar()
{
var m_avg = m_averagefc1[0];
var m_sdev = bollingerprice.StandardDeviationCustom(length, 1);
m_upperband.Value = (m_avg + (numdevsup * m_sdev));
m_lowerband.Value = (m_avg + (numdevsdn * m_sdev));
if (((displace >= 0) || Bars.CurrentBar > Math.Abs(displace)))
{
Plot1.Set(displace, m_upperband.Value);
Plot2.Set(displace, m_lowerband.Value);
Plot3.Set(displace, m_avg);
m_IndicatorArea.SetValue("UpperBand", m_upperband.Value, Bars.TimeValue.ToBinary());
m_IndicatorArea.SetValue("LowerBand", m_lowerband.Value, Bars.TimeValue.ToBinary());
if ((displace <= 0))
{
if (this.CrossesOver(testpricelband, m_lowerband))
{
Alerts.Alert("Price crossing over lower price band");
}
else
{
if (this.CrossesUnder(testpriceuband, m_upperband))
{
Alerts.Alert("Price crossing under upper price band");
}
}
}
}
ChartCustomDraw.ReDraw();
}
protected override void Create()
{
ChartCustomDraw.Register(this);
askPen = new Pen(askColor, lineWidth);
bidPen = new Pen(bidColor, lineWidth);
pricePen = new Pen(priceColor, lineWidth);
pricePen.DashStyle = DashStyle.Dash;
}
protected override void StopCalc()
{
if (isCSDRegistred)
{
ChartCustomDraw.Unregister(this);
isCSDRegistred = false;
}
}
protected override void StopCalc()
{
m_last_cb = 0;
m_last_tick_val = 0;
m_volumes.Clear();
Asks = null;
Bids = null;
ChartCustomDraw.ReDraw();
}
protected override void StartCalc()
{
if (!isCSDRegistred)
{
ChartCustomDraw.Register(this);
isCSDRegistred = true;
}
volstddev.numdays = length;
}
protected override void StartCalc()
{
if (!isCSDRegistred)
{
ChartCustomDraw.Register(this);
isCSDRegistred = true;
}
bollingerprice = Bars.Close;
testpriceuband = Bars.Close;
testpricelband = Bars.Close;
m_averagefc1.price = bollingerprice;
m_averagefc1.length = length;
}
protected override void StartCalc()
{
if (!isCSDRegistred)
{
ChartCustomDraw.Register(this);
isCSDRegistred = true;
}
mean_absolute_difference_fn.length = length;
mean_absolute_difference_fn.target = Bars.Close;
mean_absolute_difference_delta_fn.length = length;
mean_absolute_difference_delta_fn.target = Bars.Close;
}
protected override void CalcBar()
{
if (Bars.LastBarInSession)
{
m_upperband.Value = (Bars.Close[0] * (1 + (numdevs * volstddev[0] / Math.Sqrt(252))));
m_lowerband.Value = (Bars.Close[0] * (1 - (numdevs * volstddev[0] / Math.Sqrt(252))));
}
else
{
m_upperband.Value = (Bars.Close[1] * (1 + (numdevs * volstddev[0] / Math.Sqrt(252))));
m_lowerband.Value = (Bars.Close[1] * (1 - (numdevs * volstddev[0] / Math.Sqrt(252))));
}
Plot1.Set(0, m_upperband.Value);
Plot2.Set(0, m_lowerband.Value);
m_IndicatorArea.SetValue("UpperBand", m_upperband.Value, Bars.TimeValue.ToBinary());
m_IndicatorArea.SetValue("LowerBand", m_lowerband.Value, Bars.TimeValue.ToBinary());
ChartCustomDraw.ReDraw();
}
protected override void CalcBar()
{
if (delta)
{
m_upperband.Value = Bars.Close[1] + multiplier * mean_absolute_difference_delta_fn[1];
m_lowerband.Value = Bars.Close[1] - multiplier * mean_absolute_difference_delta_fn[1];
}
else
{
m_upperband.Value = Bars.Close[1] + multiplier * mean_absolute_difference_fn[1];
m_lowerband.Value = Bars.Close[1] - multiplier * mean_absolute_difference_fn[1];
}
Plot1.Set(0, m_upperband.Value);
Plot2.Set(0, m_lowerband.Value);
m_IndicatorArea.SetValue("UpperBand", m_upperband.Value, Bars.TimeValue.ToBinary());
m_IndicatorArea.SetValue("LowerBand", m_lowerband.Value, Bars.TimeValue.ToBinary());
ChartCustomDraw.ReDraw();
}
protected override void OnRecalcLastBarAfterEvent()
{
if (Bars.DOM.Connected)
{
var _changed = false;
lock (this){
var _old_ask = Asks;
var _old_bid = Bids;
Asks = Bars.DOM.Ask;
Bids = Bars.DOM.Bid;
_changed = !(equal(_old_ask, Asks) && equal(_old_bid, Bids));
}
if (_changed)
{
ChartCustomDraw.ReDraw();
}
ExecControl.RecalcLastBarAfter(TimeSpan.FromSeconds(UpdateSpeedsec));
}
}
// Drawing is triggered here on a timer rather than in
// CalcBar() because the bid and ask can change without CalcBar()
// being called.
protected override void OnRecalcLastBarAfterEvent()
{
if (Bars.DOM.Connected)
{
var _changed = false;
// confusing logic; necessary because Bids/Asks will be null
// on the first pass through.
DOMPrice _old_ask = new DOMPrice(double.NaN, double.NaN);
DOMPrice _old_bid = new DOMPrice(double.NaN, double.NaN);
double _old_last = double.NaN;
lock (this){
if (null == Asks)
{
_changed = true;
}
else
{
_old_ask = Asks[0];
_old_bid = Bids[0];
_old_last = LastPrice;
}
Asks = Bars.DOM.Ask;
Bids = Bars.DOM.Bid;
LastPrice = Bars.Close[0];
_changed = _changed || !((_old_ask == Asks[0]) &&
(_old_bid == Bids[0]) &&
(_old_last == LastPrice));
}
_changed = _changed || !(LastPrice == Bars.Close[0]);
if (_changed)
{
ChartCustomDraw.ReDraw();
}
ExecControl.RecalcLastBarAfter(TimeSpan.FromSeconds(UpdateSpeedSecs));
}
}
protected override void Destroy()
{
ChartCustomDraw.Unregister(this);
askPen = bidPen = pricePen = null;
}
protected override void Create()
{
ChartCustomDraw.Register(this);
}
protected override void Destroy()
{
ChartCustomDraw.Unregister(this);
}
