Class FastStepLineBitmapSeries

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

Inheritance
System.Object
ChartSeriesBase
ChartSeries
AdornmentSeries
CartesianSeries
XyDataSeries
FastStepLineBitmapSeries
Inherited Members
Namespace: Syncfusion.UI.Xaml.Charts
Assembly: Syncfusion.SfChart.UWP.dll
Syntax
public class FastStepLineBitmapSeries : XyDataSeries, ICloneable, ISupportAxes2D, ISupportAxes, ISegmentSelectable
Remarks

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

Examples
    <chart:SfChart>

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

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

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

    </chart:SfChart>

Constructors

FastStepLineBitmapSeries()

Declaration
public FastStepLineBitmapSeries()

Fields

EnableAntiAliasingProperty

Identifies the EnableAntiAliasing dependency property.

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

The identifier for EnableAntiAliasing dependency property.

SegmentSelectionBrushProperty

The DependencyProperty for SegmentSelectionBrush property.

Declaration
public static readonly DependencyProperty SegmentSelectionBrushProperty
Field Value
Type
Windows.UI.Xaml.DependencyProperty

SelectedIndexProperty

The DependencyProperty for SelectedIndex property.

Declaration
public static readonly DependencyProperty SelectedIndexProperty
Field Value
Type
Windows.UI.Xaml.DependencyProperty

Properties

EnableAntiAliasing

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

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

Default value is false.

IsBitmapSeries

Gets whether this series is a bitmap series or not.

Declaration
protected override bool IsBitmapSeries { get; }
Property Value
Type Description
System.Boolean

Returns the bool value.
Overrides

IsLinear

Gets the value which confirms whether this series in linearity.

Declaration
protected override bool IsLinear { get; }
Property Value
Type Description
System.Boolean

Returns the bool value.
Overrides
Remarks

Returns true if its linear, otherwise it returns false.

SegmentSelectionBrush

Gets or sets the interior(brush) for the selected segment(s).

Declaration
public Brush SegmentSelectionBrush { get; set; }
Property Value
Type Description
Windows.UI.Xaml.Media.Brush

The Windows.UI.Xaml.Media.Brush value.

SelectedIndex

Gets or sets the index of the selected segment.

Declaration
public int SelectedIndex { get; set; }
Property Value
Type Description
System.Int32

Int value represents the index of the data point(or segment) to be selected.

SelectedSegments

Gets the selected segments in this series, when we enable the multiple selection.

Declaration
protected override List<ChartSegment> SelectedSegments { get; }
Property Value
Type Description
System.Collections.Generic.List<ChartSegment>

It returns the list of ChartSegment.
Overrides

Methods

CloneSeries(DependencyObject)

Returns the instance of FastStepLineBitmapSeries series.

Declaration
protected override DependencyObject CloneSeries(DependencyObject obj)
Parameters
Type Name Description
Windows.UI.Xaml.DependencyObject obj

object
Returns
Type
Windows.UI.Xaml.DependencyObject
Overrides

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 FastStepLineBitmapSeries.

Declaration
public override void CreateSegments()
Overrides

OnPointerMoved(PointerRoutedEventArgs)

Called when pointer or mouse move on chart area.

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

Windows.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

SelectedIndexChanged(Int32, Int32)

Method used to set SegmentSelectionBrush to SelectedIndex segment.

Declaration
protected override void SelectedIndexChanged(int newIndex, int oldIndex)
Parameters
Type Name Description
System.Int32 newIndex

new index
System.Int32 oldIndex

old index
Overrides

Implements

Extension Methods

See Also