Class FastHiLoOpenCloseBitmapSeries

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

Inheritance
System.Object
ChartSeriesBase
ChartSeries
AdornmentSeries
CartesianSeries
FinancialSeriesBase
FastHiLoOpenCloseBitmapSeries
Inherited Members
Namespace: Syncfusion.UI.Xaml.Charts
Assembly: Syncfusion.SfChart.WPF.dll
Syntax
public class FastHiLoOpenCloseBitmapSeries : FinancialSeriesBase, ICloneable, ISupportAxes2D, ISupportAxes, ISegmentSpacing, 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:FastHiLoOpenCloseBitmapSeries ItemsSource="{Binding Data}" XBindingPath="Year" High="High" Open="Open" Close="Close" Low="Low">
      </syncfusion:FastHiLoOpenCloseBitmapSeries>
      FastHiLoOpenCloseBitmapSeries series1 = new FastHiLoOpenCloseBitmapSeries();
      series1.ItemsSource = viewmodel.Data;
      series1.XBindingPath = "Year";
      series1.High="High";
      series1.Low="Low";
      series1.Open="Open";
      series1.Close="Close";
      chart.Series.Add(series1);

Constructors

FastHiLoOpenCloseBitmapSeries()

Declaration
public FastHiLoOpenCloseBitmapSeries()

Fields

SegmentSelectionBrushProperty

The DependencyProperty for SegmentSelectionBrush property.

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

SegmentSpacingProperty

The DependencyProperty for SegmentSpacing property.

Declaration
public static readonly DependencyProperty SegmentSpacingProperty
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 Description
System.Windows.Media.Brush

The System.Windows.Media.Brush value.

SegmentSpacing

Gets or sets the spacing between the segments across the series in cluster mode.

Declaration
public double SegmentSpacing { get; set; }
Property Value
Type Description
System.Double

The value ranges from 0 to 1.

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

CalculateSegmentSpacing(Double, Double, Double)

Method used to calculate the segment spacing.

Declaration
protected double CalculateSegmentSpacing(double spacing, double Right, double Left)
Parameters
Type Name Description
System.Double spacing

Spacing
System.Double Right

Right
System.Double Left

Left
Returns
Type
System.Double

CloneSeries(DependencyObject)

Returns the instance of FastHiLoOpenCloseBitmapSeries 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 FastHiLoOpenCloseBitmapSeries.

Declaration
public override void CreateSegments()
Overrides

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

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

Explicit Interface Implementations

ISegmentSpacing.CalculateSegmentSpacing(Double, Double, Double)

Declaration
double ISegmentSpacing.CalculateSegmentSpacing(double spacing, double Right, double Left)
Parameters
Type Name Description
System.Double spacing
System.Double Right
System.Double Left
Returns
Type
System.Double

Implements

See Also