FibonacciIndicatorCollection.Add(FibonacciIndicator) Method
Appends the specified Fibonacci Indicator to the current collection.
Namespace: DevExpress.XtraCharts
Assembly: DevExpress.XtraCharts.v24.1.dll
NuGet Package: DevExpress.Charts
Declaration
Parameters
| Name | Type | Description |
|---|---|---|
| fibonacciIndicator | FibonacciIndicator | A FibonacciIndicator object to append to the collection. |
Returns
| Type | Description |
|---|---|
| Int32 | An integer value indicating the position into which a new element was inserted. |
Remarks
This method adds the object to the end of the collection.
Example
This example demonstrates how to create a Fibonacci Indicator of a certain kind (Arcs, Fans or Retracements), and add it to a financial series.
To do this, create an instance of the FibonacciIndicator class, and specify its FibonacciIndicator.Kind property. Then, add this indicator to the series collection of indicators, returned by the XYDiagram2DSeriesViewBase.Indicators property.
using System;
using System.Drawing;
using System.Windows.Forms;
using DevExpress.XtraCharts;
namespace FibonacciIndicators {
public partial class Form1 : Form {
public Form1() {
InitializeComponent();
}
#region Initialization
private void Form1_Load(object sender, EventArgs e) {
// Create a series.
Series series = new Series("Stock", ViewType.Stock);
series.ArgumentScaleType = ScaleType.DateTime;
// Populate the series with data.
AddPoints(series);
// Add it to the chart.
this.chartControl1.Series.Add(series);
// Adjust the chart's appearance.
XYDiagram diagram = (XYDiagram)this.chartControl1.Diagram;
diagram.AxisY.WholeRange.AlwaysShowZeroLevel = false;
diagram.AxisX.Label.Staggered = true;
}
#endregion
#region Providing Data
private void AddPoints(Series series) {
series.Points.AddRange(new SeriesPoint[] {
new SeriesPoint(new DateTime(2007, 12, 24), new object[] {110.55, 112, 111.3, 111.65}),
new SeriesPoint(new DateTime(2007, 12, 26), new object[] {110.9, 112.09, 110.9, 111.56}),
new SeriesPoint(new DateTime(2007, 12, 27), new object[] {109.49, 111.3, 110.53, 109.6}),
new SeriesPoint(new DateTime(2007, 12, 28), new object[] {109.108, 110.76, 110.76, 110.09}),
new SeriesPoint(new DateTime(2007, 12, 31), new object[] {107.26, 110, 109.51, 108.1}),
new SeriesPoint(new DateTime(2008, 1, 2), new object[] {104.17, 108.99, 108.99, 104.69}),
new SeriesPoint(new DateTime(2008, 1, 3), new object[] {103.98, 105.57, 104.83, 104.9}),
new SeriesPoint(new DateTime(2008, 1, 4), new object[] {100.48, 103.95, 103.95, 101.13}),
new SeriesPoint(new DateTime(2008, 1, 7), new object[] {99.03, 101, 100.25, 100.05}),
new SeriesPoint(new DateTime(2008, 1, 8), new object[] {97.17, 100.38, 100.05, 97.59}),
new SeriesPoint(new DateTime(2008, 1, 9), new object[] {97.16, 99.15, 97.76, 98.31}),
new SeriesPoint(new DateTime(2008, 1, 10), new object[] {97.15, 100.86, 97.39, 99.92}),
new SeriesPoint(new DateTime(2008, 1, 11), new object[] {97.09, 99.46, 99.2, 97.67}),
new SeriesPoint(new DateTime(2008, 1, 14), new object[] {101.33, 105.59, 105.01, 102.93}),
new SeriesPoint(new DateTime(2008, 1, 15), new object[] {101.23, 104.04, 102.03, 101.83}),
new SeriesPoint(new DateTime(2008, 1, 16), new object[] {100.14, 102.86, 100.14, 101.63}),
new SeriesPoint(new DateTime(2008, 1, 17), new object[] {100.05, 103.45, 102, 101.1}),
new SeriesPoint(new DateTime(2008, 1, 18), new object[] {102.5, 106.72, 106.72, 103.4}),
new SeriesPoint(new DateTime(2008, 1, 22), new object[] {98.55, 103.09, 98.55, 101.22}),
new SeriesPoint(new DateTime(2008, 1, 23), new object[] {98.5, 106.335, 99.63, 106.1}),
new SeriesPoint(new DateTime(2008, 1, 24), new object[] {104.68, 107.51, 106.38, 106.91}),
new SeriesPoint(new DateTime(2008, 1, 25), new object[] {104.1, 107.79, 107.79, 104.52}),
new SeriesPoint(new DateTime(2008, 1, 28), new object[] {103.83, 105.77, 104.44, 104.98}),
new SeriesPoint(new DateTime(2008, 1, 29), new object[] {104.6, 106.8, 105.5, 106.1}),
new SeriesPoint(new DateTime(2008, 1, 30), new object[] {104.855, 107.65, 105.85, 105.65}),
new SeriesPoint(new DateTime(2008, 1, 31), new object[] {103.7, 107.97, 104.21, 107.11})
});
}
#endregion
#region Processing Button_Click
private void btnArcs_Click(object sender, EventArgs e) {
AddIndicator(chartControl1.Series[0], FibonacciIndicatorKind.FibonacciArcs);
}
private void btnFans_Click(object sender, EventArgs e) {
AddIndicator(chartControl1.Series[0], FibonacciIndicatorKind.FibonacciFans);
}
private void btnRetracements_Click(object sender, EventArgs e) {
AddIndicator(chartControl1.Series[0], FibonacciIndicatorKind.FibonacciRetracement);
}
#endregion
private void AddIndicator(Series ser, FibonacciIndicatorKind kind) {
// Get a collection of indicators.
IndicatorCollection indicators =
((StockSeriesView)ser.View).Indicators;
// Clear it.
indicators.Clear();
// Add a new indicator to it.
indicators.Add(CreateIndicator(kind, new DateTime(2007, 12, 27),
new DateTime(2008, 1, 17), ValueLevel.High));
}
private FibonacciIndicator CreateIndicator(FibonacciIndicatorKind kind,
DateTime arg1, DateTime arg2, ValueLevel level) {
// Create the Fibonacci Indicator of the specified kind.
FibonacciIndicator fi = new FibonacciIndicator(kind);
// Specify its start and end points.
fi.Point1.Argument = arg1;
fi.Point1.ValueLevel = level;
fi.Point2.Argument = arg2;
fi.Point2.ValueLevel = level;
// Select the name.
switch (fi.Kind) {
case FibonacciIndicatorKind.FibonacciArcs: {
fi.Name = "Arcs";
break;
}
case FibonacciIndicatorKind.FibonacciFans: {
fi.Name = "Fans";
break;
}
case FibonacciIndicatorKind.FibonacciRetracement: {
fi.Name = "Retracement";
break;
}
}
// Make all its levels visible.
fi.ShowLevel23_6 = true;
fi.ShowLevel76_4 = true;
fi.ShowLevel0 = true;
fi.ShowLevel100 = true;
fi.ShowAdditionalLevels = true;
// Customize its appearance.
fi.BaseLevelColor = Color.Green;
fi.BaseLevelLineStyle.DashStyle = DashStyle.Dash;
return fi;
}
}
}
See Also