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
AdornmentSeries
CartesianSeries
XyDataSeries
FastLineBitmapSeries
Inherited Members
Namespace: Syncfusion.UI.Xaml.Charts
Assembly: Syncfusion.SfChart.WPF.dll
Syntax
public class FastLineBitmapSeries : XyDataSeries, ICloneable, ISupportAxes2D, ISupportAxes, ISegmentSelectable
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
System.Windows.DependencyProperty

The identifier for EnableAntiAliasing dependency property.

SegmentSelectionBrushProperty

The DependencyProperty for SegmentSelectionBrush property.

Declaration
public static readonly DependencyProperty SegmentSelectionBrushProperty
Field Value
Type
System.Windows.DependencyProperty

SelectedIndexProperty

The DependencyProperty for SelectedIndex property.

Declaration
public static readonly DependencyProperty SelectedIndexProperty
Field Value
Type
System.Windows.DependencyProperty

StrokeDashArrayProperty

Identifies the StrokeDashArray dependency property.

Declaration
public static readonly DependencyProperty StrokeDashArrayProperty
Field Value
Type Description
System.Windows.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.

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
System.Windows.Media.Brush

The System.Windows.Media.Brush value.
See Also

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.
See Also

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
See Also

StrokeDashArray

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

Declaration
public DoubleCollection StrokeDashArray { get; set; }
Property Value
Type Description
System.Windows.Media.DoubleCollection

It takes the System.Windows.Media.DoubleCollection value. The default value is null.

Methods

CloneSeries(DependencyObject)

Returns the instance of FastHiLoBitmapSeries series.

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

object
Returns
Type
System.Windows.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 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

OnMouseMove(MouseEventArgs)

Called when pointer or mouse moving on chart area.

Declaration
protected override void OnMouseMove(MouseEventArgs e)
Parameters
Type Name Description
System.Windows.Input.MouseEventArgs e

Event args 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 trigger SelectionChanged event 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

See Also