/// <summary>
/// Called to initialize the example
/// </summary>
/// <param name="chartControl"></param>
public override void Create()
{
// set a chart title
NLabel title = new NLabel("Real Time Stock");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, System.Drawing.FontStyle.Italic);
nChartControl1.Panels.Add(title);
m_Chart = (NCartesianChart)nChartControl1.Charts[0];
m_Chart.BoundsMode = BoundsMode.Stretch;
// add interlace stripes
NLinearScaleConfigurator linearScale = m_Chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator as NLinearScaleConfigurator;
NScaleStripStyle stripStyle = new NScaleStripStyle(new NColorFillStyle(Color.Beige), null, true, 0, 0, 1, 1);
stripStyle.Interlaced = true;
stripStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
linearScale.StripStyles.Add(stripStyle);
m_Chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = new NRangeTimelineScaleConfigurator();
// enable range selection
NRangeSelection rangeSelection = new NRangeSelection();
rangeSelection.VerticalValueSnapper = new NAxisRulerMinMaxSnapper();
m_Chart.RangeSelections.Add(rangeSelection);
// enable zooming and scrolling
m_Chart.Axis(StandardAxis.PrimaryX).ScrollBar.Visible = true;
m_Chart.Axis(StandardAxis.PrimaryX).PagingView = new NDateTimeAxisPagingView();
m_LineSMA = new NLineSeries();
// create a line series for the simple moving average
m_Chart.Series.Add(m_LineSMA);
m_LineSMA.Name = "SMA(20)";
m_LineSMA.DataLabelStyle.Visible = false;
m_LineSMA.BorderStyle.Color = Color.DarkOrange;
m_LineSMA.UseXValues = true;
// create the stock series
m_Stock = new NStockSeries();
m_Chart.Series.Add(m_Stock);
m_Stock.DisplayOnAxis(StandardAxis.PrimaryX, true);
m_Stock.Name = "Stock Data";
m_Stock.Legend.Mode = SeriesLegendMode.None;
m_Stock.DataLabelStyle.Visible = false;
m_Stock.CandleStyle = CandleStyle.Bar;
m_Stock.CandleWidth = new NLength(0.8f, NRelativeUnit.ParentPercentage);
m_Stock.InflateMargins = true;
m_Stock.UseXValues = true;
m_Stock.UpFillStyle = new NColorFillStyle(LightGreen);
m_Stock.UpStrokeStyle.Color = Color.Black;
m_Stock.DownFillStyle = new NColorFillStyle(Red);
m_Stock.DownStrokeStyle.Color = Color.Black;
m_Stock.OpenValues.Name = "open";
m_Stock.CloseValues.Name = "close";
m_Stock.HighValues.Name = "high";
m_Stock.LowValues.Name = "low";
nChartControl1.Controller.Tools.Add(new NPanelSelectorTool());
nChartControl1.Controller.Tools.Add(new NAxisScrollTool());
nChartControl1.Controller.Tools.Add(new NDataZoomTool());
nChartControl1.Controller.Tools.Add(new NDataPanTool());
// apply layout
ConfigureStandardLayout(m_Chart, title, null);
NumberOfDataPointsComboBox.Items.Add("1000");
NumberOfDataPointsComboBox.Items.Add("5000");
NumberOfDataPointsComboBox.Items.Add("10000");
NumberOfDataPointsComboBox.SelectedIndex = 1;
AddData();
UseHardwareAccelerationCheckBox.IsChecked = true;
nChartControl1.Settings.RenderSurface = RenderSurface.Window;
StartTimer();
}
public override void Initialize()
{
base.Initialize();
const int nNumberOfWeeks = 20;
const int nWorkDaysInWeek = 5;
const int nDaysInWeek = 7;
const int nTotalWorkDays = nNumberOfWeeks * nWorkDaysInWeek;
const int nTotalDays = nNumberOfWeeks * nDaysInWeek;
const int nHistoricalDays = 20;
NLabel title = nChartControl1.Labels.AddHeader("Financial Chart");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.TextStyle.FillStyle = new NColorFillStyle(GreyBlue);
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
// setup chart
m_Chart = nChartControl1.Charts[0];
m_Chart.BoundsMode = BoundsMode.Fit;
m_Chart.Location = new NPointL(new NLength(7, NRelativeUnit.ParentPercentage), new NLength(10, NRelativeUnit.ParentPercentage));
m_Chart.Size = new NSizeL(new NLength(86, NRelativeUnit.ParentPercentage), new NLength(70, NRelativeUnit.ParentPercentage));
m_Chart.Height = 30;
m_Chart.Projection.SetPredefinedProjection(PredefinedProjection.Orthogonal);
m_Chart.Wall(ChartWallType.Floor).Visible = false;
m_Chart.Wall(ChartWallType.Left).Visible = false;
m_Chart.Wall(ChartWallType.Back).Width = 0;
m_Chart.Wall(ChartWallType.Back).FillStyle = new NColorFillStyle(Color.FromArgb(239, 245, 239));
m_Chart.Axis(StandardAxis.Depth).Visible = false;
// setup y axis
NLinearScaleConfigurator linearScale = (NLinearScaleConfigurator)m_Chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator;
linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
linearScale.MajorGridStyle.LineStyle.Color = Color.Gray;
linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Left, false);
// setup x axis
NAxis axisX1 = m_Chart.Axis(StandardAxis.PrimaryX);
linearScale = new NLinearScaleConfigurator();
axisX1.ScaleConfigurator = linearScale;
linearScale.AutoLabels = false;
linearScale.MinorTickCount = 4;
linearScale.MajorTickMode = MajorTickMode.CustomStep;
linearScale.CustomStep = 5;
linearScale.RoundToTickMax = false;
linearScale.RoundToTickMin = false;
linearScale.OuterMajorTickStyle.Length = new NLength(4, NGraphicsUnit.Point);
linearScale.InnerMajorTickStyle.Length = new NLength(0, NGraphicsUnit.Point);
linearScale.InnerMinorTickStyle.Length = new NLength(0, NGraphicsUnit.Point);
linearScale.OuterMinorTickStyle.Length = new NLength(2, NGraphicsUnit.Point);
linearScale.OuterMinorTickStyle.LineStyle.Color = Color.Brown;
linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Back, true);
linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Floor, false);
linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
linearScale.LabelStyle.ValueScale = 0.2;
// create a line series for the simple moving average
m_LineSMA = (NLineSeries)m_Chart.Series.Add(SeriesType.Line);
m_LineSMA.Name = "SMA(20)";
m_LineSMA.DataLabelStyle.Visible = false;
m_LineSMA.BorderStyle.Color = Color.DarkOrange;
// create the stock series
m_Stock = (NStockSeries)m_Chart.Series.Add(SeriesType.Stock);
m_Stock.Name = "Stock Data";
m_Stock.Legend.Mode = SeriesLegendMode.None;
m_Stock.DataLabelStyle.Visible = false;
m_Stock.CandleStyle = CandleStyle.Bar;
m_Stock.CandleWidth = new NLength(5, NGraphicsUnit.Point);
m_Stock.InflateMargins = false;
m_Stock.UpFillStyle = new NColorFillStyle(LightOrange);
m_Stock.UpStrokeStyle.Color = Color.Black;
m_Stock.DownFillStyle = new NColorFillStyle(DarkOrange);
m_Stock.DownStrokeStyle.Color = Color.Black;
m_Stock.DisplayOnAxis(StandardAxis.PrimaryX, true);
m_Stock.InflateMargins = true;
m_Stock.OpenValues.Name = "open";
m_Stock.CloseValues.Name = "close";
m_Stock.HighValues.Name = "high";
m_Stock.LowValues.Name = "low";
// add the bollinger bands as high low area
m_HighLow = (NHighLowSeries)m_Chart.Series.Add(SeriesType.HighLow);
m_HighLow.Name = "BB(20, 2)";
m_HighLow.DataLabelStyle.Visible = false;
m_HighLow.HighFillStyle = new NColorFillStyle(Color.FromArgb(80, 130, 134, 168));
m_HighLow.HighBorderStyle.Width = new NLength(0, NGraphicsUnit.Pixel);
m_HighLow.DisplayOnAxis(StandardAxis.SecondaryX, true);
// generate some stock data
GenerateOHLCData(m_Stock, 300, nTotalWorkDays + nHistoricalDays);
// create a function calculator
NFunctionCalculator fc = new NFunctionCalculator();
fc.Arguments.Add(m_Stock.CloseValues);
// calculate the bollinger bands
fc.Expression = "BOLLINGER(close; 20; 2)";
m_HighLow.HighValues = fc.Calculate();
m_HighLow.HighValues.Name = "BollingerUpper";
fc.Expression = "BOLLINGER(close; 20; -2)";
m_HighLow.LowValues = fc.Calculate();
m_HighLow.LowValues.Name = "BollingerLower";
// calculate the simple moving average
fc.Expression = "SMA(close; 20)";
m_LineSMA.Values = fc.Calculate();
// remove data that won't be charted
m_Stock.HighValues.RemoveRange(0, nHistoricalDays);
m_Stock.LowValues.RemoveRange(0, nHistoricalDays);
m_Stock.OpenValues.RemoveRange(0, nHistoricalDays);
m_Stock.CloseValues.RemoveRange(0, nHistoricalDays);
m_HighLow.HighValues.RemoveRange(0, nHistoricalDays);
m_HighLow.LowValues.RemoveRange(0, nHistoricalDays);
m_LineSMA.Values.RemoveRange(0, nHistoricalDays);
GenerateDateLabels(nTotalDays);
CandleStyleCombo.Items.Add("Candle");
CandleStyleCombo.Items.Add("Stick");
CandleStyleCombo.SelectedIndex = 0;
NRangeSelection rangeSelection = new NRangeSelection();
rangeSelection.VerticalValueSnapper = new NAxisRulerMinMaxSnapper();
((NCartesianChart)m_Chart).RangeSelections.Add(rangeSelection);
nChartControl1.Controller.Tools.Add(new NPanelSelectorTool());
nChartControl1.Controller.Tools.Add(new NAxisScrollTool());
nChartControl1.Controller.Tools.Add(new NDataZoomTool());
nChartControl1.Controller.Tools.Add(new NDataPanTool());
}
private void AddData(NCartesianChart chart, NWorkCalendar calendar)
{
const int nNumberOfWeeks = 20;
const int nWorkDaysInWeek = 5;
const int nTotalWorkDays = nNumberOfWeeks * nWorkDaysInWeek;
const int nHistoricalDays = 20;
NLineSeries lineSMA = new NLineSeries();
lineSMA.Name = "SMA(20)";
lineSMA.DataLabelStyle.Visible = false;
lineSMA.BorderStyle.Color = Color.DarkOrange;
lineSMA.UseXValues = true;
// create the stock series
NStockSeries stock = new NStockSeries();
chart.Series.Add(stock);
stock.DisplayOnAxis(StandardAxis.PrimaryX, true);
stock.Name = "Stock Data";
stock.Legend.Mode = SeriesLegendMode.None;
stock.DataLabelStyle.Visible = false;
stock.CandleStyle = CandleStyle.Bar;
stock.CandleWidth = new NLength(0.8f, NRelativeUnit.ParentPercentage);
stock.InflateMargins = true;
stock.UseXValues = true;
stock.UpFillStyle = new NColorFillStyle(Green);
stock.UpStrokeStyle.Color = Color.Black;
stock.DownFillStyle = new NColorFillStyle(DarkOrange);
stock.DownStrokeStyle.Color = Color.Black;
stock.OpenValues.Name = "open";
stock.CloseValues.Name = "close";
stock.HighValues.Name = "high";
stock.LowValues.Name = "low";
int period = 20;
// add the bollinger bands as high low area
NHighLowSeries highLow = new NHighLowSeries();
chart.Series.Add(highLow);
highLow.DisplayOnAxis(StandardAxis.SecondaryX, true);
highLow.Name = "BB(" + period.ToString() + ", 2)";
highLow.DataLabelStyle.Visible = false;
highLow.HighFillStyle = new NColorFillStyle(Color.FromArgb(80, 130, 134, 168));
highLow.HighBorderStyle.Width = new NLength(0, NGraphicsUnit.Pixel);
highLow.UseXValues = true;
// generate some stock data
GenerateData(stock, calendar, 300, nTotalWorkDays + nHistoricalDays);
// create a function calculator
NFunctionCalculator fc = new NFunctionCalculator();
fc.Arguments.Add(stock.CloseValues);
// calculate the bollinger bands
fc.Expression = "BOLLINGER(close;" + period.ToString() + "; 2)";
highLow.HighValues = fc.Calculate();
highLow.HighValues.Name = "BollingerUpper";
fc.Expression = "BOLLINGER(close; " + period.ToString() + "; -2)";
highLow.LowValues = fc.Calculate();
highLow.LowValues.Name = "BollingerLower";
highLow.XValues.InsertRange(0, stock.XValues);
// calculate the simple moving average
fc.Expression = "SMA(close; " + period.ToString() + ")";
lineSMA.Values = fc.Calculate();
lineSMA.XValues.InsertRange(0, stock.XValues);
// remove first period from line SMA
lineSMA.Values.RemoveRange(0, period);
lineSMA.XValues.RemoveRange(0, period);
// remove first period from high low
highLow.XValues.RemoveRange(0, period);
highLow.HighValues.RemoveRange(0, period);
highLow.LowValues.RemoveRange(0, period);
// remove first period from stock
stock.OpenValues.RemoveRange(0, period);
stock.HighValues.RemoveRange(0, period);
stock.LowValues.RemoveRange(0, period);
stock.CloseValues.RemoveRange(0, period);
stock.XValues.RemoveRange(0, period);
}