PointData(Double) Constructor

Initializes a new instance of the PointData class with specified settings.

Namespace: DevExpress.WinUI.Charts

Assembly: DevExpress.WinUI.Charts.v23.2.dll

NuGet Package: DevExpress.WinUI

Declaration

C#

public PointData(
    double argument
)

VB.NET

Public Sub New(
    argument As Double
)

Parameters

Name	Type	Description
argument	Double	The point’s numeric argument.

Remarks

The following code adds an empty point with a numeric argument to a Cartesian chart. The chart shows empty points as gaps in series data:

XAML

<Charts:CartesianChart x:Name="chart">
    <!--...-->
</Charts:CartesianChart>

C#

public MainWindow() {

    this.InitializeComponent();

    // Create a series:
    Series series = new Series();

    // Specify the series view:
    series.View = new PointSeriesView();

    // Create a point collection and assign it to the series:
    PointDataCollection pointCollection = new PointDataCollection();
    pointCollection.ArgumentScaleType = ScaleType.Numerical;
    pointCollection.ValueScaleType = ScaleType.Numerical;
    series.Data = pointCollection;

    // Add points to the series:
    pointCollection.Add(new PointData(1, 10));
    pointCollection.Add(new PointData(2)); // This point is empty. 
    pointCollection.Add(new PointData(3, 20));
    // Add other points.

    // Add the series to the chart:
    chart.Series.Add(series);
}