SplineSeriesView Class

Represents a series view of the Spline type.

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v19.2.dll

Declaration

C#

public class SplineSeriesView :
    LineSeriesView,
    ISplineSeriesView

VB.NET

Public Class SplineSeriesView
    Inherits LineSeriesView
    Implements ISplineSeriesView

Remarks

The SplineSeriesView class provides the functionality of a series view of the Spline type within a chart control.

In addition to the common view settings inherited from the base LineSeriesView class, the SplineSeriesView class declares the spline type specific settings, which allow you to define the style of the spline curve (SplineSeriesView.LineTensionPercent).

Note that a particular view type can be defined for a series via its SeriesBase.View property.

For more information on series views of the Spline type, refer to the Spline Chart topic.

Example

The following example demonstrates how to create a ChartControl with a series of the SplineSeriesView type, set its general properties, and add this chart to a form at runtime. Before proceeding with this example, first create a Windows Forms Application in Visual Studio, and include all necessary assemblies to the References list of your project.

Then, add the following code to the Form.Load event handler.

C#

using System;
using System.Windows.Forms;
using DevExpress.XtraCharts;
// ...

private void Form1_Load(object sender, EventArgs e) {
    // Create a new chart.
    ChartControl splineChart = new ChartControl();

    // Create a spline series.
    Series series1 = new Series("Series 1", ViewType.Spline);

    // Add points to it.
    series1.Points.Add(new SeriesPoint(1, 3));
    series1.Points.Add(new SeriesPoint(2, 12));
    series1.Points.Add(new SeriesPoint(3, 4));
    series1.Points.Add(new SeriesPoint(4, 17));
    series1.Points.Add(new SeriesPoint(5, 3));
    series1.Points.Add(new SeriesPoint(6, 12));
    series1.Points.Add(new SeriesPoint(7, 4));
    series1.Points.Add(new SeriesPoint(8, 17));

    // Add the series to the chart.
    splineChart.Series.Add(series1);

    // Set the numerical argument scale types for the series,
    // as it is qualitative, by default.
    series1.ArgumentScaleType = ScaleType.Numerical;

    // Access the view-type-specific options of the series.
    ((SplineSeriesView)series1.View).LineTensionPercent = 90;

    // Access the type-specific options of the diagram.
    ((XYDiagram)splineChart.Diagram).EnableAxisXZooming = true;

    // Hide the legend (if necessary).
    splineChart.Legend.Visible = false;

    // Add a title to the chart (if necessary).
    splineChart.Titles.Add(new ChartTitle());
    splineChart.Titles[0].Text = "A Spline Chart";

    // Add the chart to the form.
    splineChart.Dock = DockStyle.Fill;
    this.Controls.Add(splineChart);
}

VB.NET

Imports System
Imports System.Windows.Forms
Imports DevExpress.XtraCharts
' ...

Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) _ 
Handles MyBase.Load
    ' Create a new chart.
    Dim splineChart As New ChartControl()

    ' Create a spline series.
    Dim series1 As New Series("Series 1", ViewType.Spline)

    ' Add points to it.
    series1.Points.Add(New SeriesPoint(1, 3))
    series1.Points.Add(New SeriesPoint(2, 12))
    series1.Points.Add(New SeriesPoint(3, 4))
    series1.Points.Add(New SeriesPoint(4, 17))
    series1.Points.Add(New SeriesPoint(5, 3))
    series1.Points.Add(New SeriesPoint(6, 12))
    series1.Points.Add(New SeriesPoint(7, 4))
    series1.Points.Add(New SeriesPoint(8, 17))

    ' Add the series to the chart.
    splineChart.Series.Add(series1)

    ' Set the numerical argument scale types for the series,
    ' as it is qualitative, by default.
    series1.ArgumentScaleType = ScaleType.Numerical

    ' Access the view-type-specific options of the series.
    CType(series1.View, SplineSeriesView).LineTensionPercent = 90

    ' Access the type-specific options of the diagram.
    CType(splineChart.Diagram, XYDiagram).EnableAxisXZooming = True

    ' Hide the legend (if necessary).
    splineChart.Legend.Visible = False

    ' Add a title to the chart (if necessary).
    splineChart.Titles.Add(New ChartTitle())
    splineChart.Titles(0).Text = "A Spline Chart"

    ' Add the chart to the form.
    splineChart.Dock = DockStyle.Fill
    Me.Controls.Add(splineChart)
End Sub

Implements

IXYSeriesView2D

Inheritance

Object

ChartElement

SeriesViewBase

XYDiagram2DSeriesViewBase

XYDiagramSeriesViewBase

SeriesViewColorEachSupportBase

PointSeriesViewBase

PointSeriesView

LineSeriesView

SplineSeriesView