private void UpdateChartData(Instrument instrument, TimeFrame timeFrame)
{
// Get the data for the chart from the datasource
var priceData = _dataManager.GetPriceData(instrument.Symbol, timeFrame);
UpdatePriceChart(priceData);
_priceSeries.InvalidateParentSurface(RangeMode.ZoomToFit);
}
private void UpdatePriceChart()
{
PriceData = (IOhlcDataSeries<DateTime, double>)_priceData.ToDiscontinuousSeries(Calendar);
PriceData.SeriesName = "PriceData";
// Create a series for the 200 period SMA which will be plotted as a line chart
Sma200Series = (IXyDataSeries<DateTime, double>) PriceData.ToMovingAverage(200);
Sma200Series.SeriesName = "200 SMA";
// Create a series for the 50 period SMA which will be plotted as a line chart
Sma50Series = (IXyDataSeries<DateTime, double>)PriceData.ToMovingAverage(50);
Sma50Series.SeriesName = "50 SMA";
// Update the chart type and timeframe with current settings
UpdateChartType(_chartType);
UpdateAnnotations();
_priceSeries.InvalidateParentSurface(RangeMode.ZoomToFit);
}
private void UpdateChartData(BarStyle barStyle)
{
PriceSeries priceData = null;
switch (barStyle)
{
case BarStyle.TimeBar:
priceData = TicksAggregator.GetPriceDataByTimeFrame(_ticks, _selectedTimeFrame, _calendar, out _min, out _max);
break;
case BarStyle.VolumeBar:
priceData = TicksAggregator.GetPriceDataByVolume(_ticks, _selectedVolume, _calendar, _barTimeFrame, out _min, out _max);
break;
case BarStyle.RangeBar:
priceData = TicksAggregator.GetPriceDataByRange(_ticks, _selectedRange, _calendar, _barTimeFrame, out _min, out _max);
break;
}
UpdatePriceChart(priceData);
_priceSeries.InvalidateParentSurface(RangeMode.ZoomToFit);
}
private void UpdatePriceChart(AggregationPriceChart barStyle)
{
switch (barStyle)
{
case AggregationPriceChart.Count:
PriceSeries = (IOhlcDataSeries <DateTime, double>)_priceData.AggregateByCount(_selectedCount);
break;
case AggregationPriceChart.Time:
PriceSeries = (IOhlcDataSeries <DateTime, double>)_priceData.AggregateByTime(TimeSpan.FromMinutes(_selectedTimeFrame));
break;
case AggregationPriceChart.Volume:
PriceSeries = (IOhlcDataSeries <DateTime, double>)_priceData.AggregateByVolume(_ticks.Select(x => x.Volume.ToDouble()).ToList(), _selectedVolume);
break;
case AggregationPriceChart.Range:
PriceSeries = (IOhlcDataSeries <DateTime, double>)_priceData.AggregateByRange(_selectedRange);
break;
case AggregationPriceChart.Renko:
PriceSeries = (IOhlcDataSeries <DateTime, double>)_priceData.AggregateByRenko(_selectedBrickSize);
break;
}
PriceSeries.SeriesName = "PriceData";
// Create a series for the 200 period SMA which will be plotted as a line chart
Sma200Series = (IXyDataSeries <DateTime, double>)PriceSeries.ToMovingAverage(200);
Sma200Series.SeriesName = "200 SMA";
// Create a series for the 50 period SMA which will be plotted as a line chart
Sma50Series = (IXyDataSeries <DateTime, double>)PriceSeries.ToMovingAverage(50);
Sma50Series.SeriesName = "50 SMA";
_priceSeries.InvalidateParentSurface(RangeMode.ZoomToFit);
}
