Class FastHiLoBitmapSeries

FastHiLoSeries is another version of HiLoSeries which uses different technology for rendering line in order to boost performance.

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

It uses WriteableBitmap for rendering; Its advantage is that it will render the series with large quantity of data in a fraction of milliseconds.

Examples
      <syncfusion:FastHiLoBitmapSeries ItemsSource="{Binding Data}" XBindingPath="Year" High="High" Low="Low">
      </syncfusion:FastHiLoBitmapSeries>
      FastHiLoBitmapSeries series1 = new FastHiLoBitmapSeries();
      series1.ItemsSource = viewmodel.Data;
      series1.XBindingPath = "Year";
      series1.High="High";
      series1.Low="Low";
      chart.Series.Add(series1);

Constructors

FastHiLoBitmapSeries()

Declaration
public FastHiLoBitmapSeries()

Fields

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

Properties

IsBitmapSeries

This indicates whether its a bitmap series or not.

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

IsSideBySide

Gets a value indicating whether this series is placed side by side.

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

It returns true, if the series is placed side by side [cluster mode].
Overrides

SegmentSelectionBrush

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

Declaration
public Brush SegmentSelectionBrush { get; set; }
Property Value
Type
System.Windows.Media.Brush

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 list of ChartSegment.
Overrides

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()

Creates the segments of FastHiLoSeries.

Declaration
public override void CreateSegments()
Overrides

OnMouseMove(MouseEventArgs)

Called when pointer moving on chart area.

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

Event args
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
System.Int32 oldIndex
Overrides

Implements

See Also