Class FastLineBitmapSeries

Represents a special kind of line series which uses writeablebitmap for rendering chart points. FastLineBitmapSeries allows to render a collection with large number of data points.

Inheritance
System.Object
ChartSeriesBase
ChartSeries
DataMarkerSeries
CartesianSeries
XyDataSeries
FastLineBitmapSeries
Inherited Members
Namespace: Syncfusion.UI.Xaml.Charts
Assembly: Syncfusion.Chart.WinUI.dll
Syntax
public class FastLineBitmapSeries : XyDataSeries, ISupportAxes2D, ISupportAxes
Remarks

FastLineBitmapSeries renders large quantity of data in fraction of milliseconds using writeablebitmap.

Examples
    <chart:SfChart>

          <chart:SfChart.PrimaryAxis>
              <chart:NumericalAxis/>
          </chart:SfChart.PrimaryAxis>

          <chart:SfChart.SecondaryAxis>
              <chart:NumericalAxis/>
          </chart:SfChart.SecondaryAxis>

          <chart:FastLineBitmapSeries
              ItemsSource="{Binding Data}"
              XBindingPath="XValue"
              YBindingPath="YValue"/>

    </chart:SfChart>

Constructors

FastLineBitmapSeries()

Declaration
public FastLineBitmapSeries()

Fields

EnableAntiAliasingProperty

Identifies the EnableAntiAliasing dependency property.

Declaration
public static readonly DependencyProperty EnableAntiAliasingProperty
Field Value
Type Description
Microsoft.UI.Xaml.DependencyProperty

The identifier for EnableAntiAliasing dependency property.

StrokeDashArrayProperty

Identifies the StrokeDashArray dependency property.

Declaration
public static readonly DependencyProperty StrokeDashArrayProperty
Field Value
Type Description
Microsoft.UI.Xaml.DependencyProperty

The identifier for StrokeDashArray dependency property.

Properties

EnableAntiAliasing

Gets or sets a value that indicates whether to enable anti-aliasing for FastLineBitmapSeries, to draw smooth edges.

Declaration
public bool EnableAntiAliasing { get; set; }
Property Value
Type Description
System.Boolean

Default value is false.

StrokeDashArray

Gets or sets the stroke dash array for the line stroke.

Declaration
public DoubleCollection StrokeDashArray { get; set; }
Property Value
Type Description
Microsoft.UI.Xaml.Media.DoubleCollection

It takes the Microsoft.UI.Xaml.Media.DoubleCollection value. The default value is null.

Methods

CreateSegment()

Creates an instance of series segment.

Declaration
protected override ChartSegment CreateSegment()
Returns
Type Description
ChartSegment

Returns the instance of corresponding series segment.
Overrides
Remarks

This customization is not supported for fast type series and technical indicators.

Examples

This sample shows how to call the CreateSegment() method to customize the line series segments.

public class LineSeriesExt : LineSeries
{​ 
    protected override ChartSegment CreateSegment()
    {​
        return new LineSegmentExt();
    }​
}​

public class LineSegmentExt : LineSegment
{​
    public override UIElement CreateVisual(Size size)
    {​
        // Write your customization code here.
    }​

    public override void Update(IChartTransformer transformer)
    {​
        // Write your customization code here.
    }​
}

CreateSegments()

Used to create the segment of FastLineBitmapSeries.

Declaration
public override void CreateSegments()
Overrides

OnDataSourceChanged(IEnumerable, IEnumerable)

Called when ItemsSource property changed.

Declaration
protected override void OnDataSourceChanged(IEnumerable oldValue, IEnumerable newValue)
Parameters
Type Name Description
System.Collections.IEnumerable oldValue

ItemsSource old value.
System.Collections.IEnumerable newValue

ItemsSource new value
Overrides
See Also

OnPointerMoved(PointerRoutedEventArgs)

Called when pointer or mouse moving on chart area.

Declaration
protected override void OnPointerMoved(PointerRoutedEventArgs e)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs e

Event args that contains the event data.
Overrides

OnTapped(TappedRoutedEventArgs)

Used to update the series tooltip when tapping on the series segments.

Declaration
protected override void OnTapped(TappedRoutedEventArgs e)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.TappedRoutedEventArgs e

Microsoft.UI.Xaml.Input.TappedRoutedEventArgs that contains the event data.
Overrides

OnVisibleRangeChanged(VisibleRangeChangedEventArgs)

Invoked when VisibleRange property changed.

Declaration
protected override void OnVisibleRangeChanged(VisibleRangeChangedEventArgs e)
Parameters
Type Name Description
VisibleRangeChangedEventArgs e

VisibleRangeChangedEventArgs that contains the event data.
Overrides

Implements

See Also