Class PieSeries

Represents a control that contains a data series to be rendered in pie format.

Inheritance
System.Object
DependencyObject
UIElement
FrameworkElement
Control
Series
DataPointSeries
PieSeries
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: System.Windows.Controls.DataVisualization.Charting
Assembly: OpenSilver.Controls.DataVisualization.Toolkit.dll
Syntax
[StyleTypedProperty(Property = "DataPointStyle", StyleTargetType = typeof(PieDataPoint))]
[StyleTypedProperty(Property = "LegendItemStyle", StyleTargetType = typeof(LegendItem))]
[TemplatePart(Name = "PlotArea", Type = typeof(Canvas))]
public class PieSeries : DataPointSeries, IControl, IFrameworkElement, IUIElement, IDependencyObject, ISeries, IRequireSeriesHost, IResourceDictionaryDispenser, IRequireGlobalSeriesIndex

Constructors

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PieSeries()

Initializes a new instance of the PieSeries class.

Declaration
public PieSeries()

Fields

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PaletteProperty

Identifies the Palette dependency property.

Declaration
public static readonly DependencyProperty PaletteProperty
Field Value
Type Description
DependencyProperty

Properties

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Palette

Gets or sets a palette of ResourceDictionaries used by the series.

Declaration
public Collection<ResourceDictionary> Palette { get; set; }
Property Value
Type Description
System.Collections.ObjectModel.Collection<ResourceDictionary>

Methods

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AddDataPoint(DataPoint)

Creates a legend item for each data point.

Declaration
protected override void AddDataPoint(DataPoint dataPoint)
Parameters
Type Name Description
DataPoint dataPoint

The data point added.
Overrides
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AttachEventHandlersToDataPoint(DataPoint)

Attach event handlers to a data point.

Declaration
protected override void AttachEventHandlersToDataPoint(DataPoint dataPoint)
Parameters
Type Name Description
DataPoint dataPoint

The data point.
Overrides
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CreateDataPoint()

Creates a data point.

Declaration
protected override DataPoint CreateDataPoint()
Returns
Type Description
DataPoint

A data point.
Overrides
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CreatePieLegendItem(DataPoint, Int32)

Creates a legend item from a data point.

Declaration
protected virtual LegendItem CreatePieLegendItem(DataPoint dataPoint, int index)
Parameters
Type Name Description
DataPoint dataPoint

The data point to use to create the legend item.
System.Int32 index

The 1-based index of the Control.
Returns
Type Description
LegendItem

The series host legend item.
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DetachEventHandlersFromDataPoint(DataPoint)

Detaches event handlers from a data point.

Declaration
protected override void DetachEventHandlersFromDataPoint(DataPoint dataPoint)
Parameters
Type Name Description
DataPoint dataPoint

The data point.
Overrides
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GetResourceDictionariesWhere(Func<ResourceDictionary, Boolean>)

Returns a rotating enumerator of ResourceDictionary objects that coordinates with the dispenser object to ensure that no two enumerators are on the same item. If the dispenser is reset or its collection is changed then the enumerators are also reset.

Declaration
public IEnumerator<ResourceDictionary> GetResourceDictionariesWhere(Func<ResourceDictionary, bool> predicate)
Parameters
Type Name Description
System.Func<ResourceDictionary, System.Boolean> predicate

A predicate that returns a value indicating whether to return an item.
Returns
Type Description
System.Collections.Generic.IEnumerator<ResourceDictionary>

An enumerator of ResourceDictionaries.
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GlobalSeriesIndexChanged(Nullable<Int32>)

This method updates the global series index property.

Declaration
public void GlobalSeriesIndexChanged(int? globalIndex)
Parameters
Type Name Description
System.Nullable<System.Int32> globalIndex

The global index of the series.
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OnBeforeUpdateDataPoints()

Updates all ratios before data points are updated.

Declaration
protected override void OnBeforeUpdateDataPoints()
Overrides
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OnDataPointDependentValueChanged(DataPoint, IComparable, IComparable)

Updates the data point when the dependent value is changed.

Declaration
protected override void OnDataPointDependentValueChanged(DataPoint dataPoint, IComparable oldValue, IComparable newValue)
Parameters
Type Name Description
DataPoint dataPoint

The data point.
System.IComparable oldValue

The old value.
System.IComparable newValue

The new value.
Overrides
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OnDataPointIndependentValueChanged(DataPoint, Object, Object)

Updates the data point when the independent value is changed.

Declaration
protected override void OnDataPointIndependentValueChanged(DataPoint dataPoint, object oldValue, object newValue)
Parameters
Type Name Description
DataPoint dataPoint

The data point.
System.Object oldValue

The old value.
System.Object newValue

The new value.
Overrides
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OnDataPointsChanged(IList<DataPoint>, IList<DataPoint>)

Called after data points have been loaded from the items source.

Declaration
protected override void OnDataPointsChanged(IList<DataPoint> newDataPoints, IList<DataPoint> oldDataPoints)
Parameters
Type Name Description
System.Collections.Generic.IList<DataPoint> newDataPoints

New active data points.
System.Collections.Generic.IList<DataPoint> oldDataPoints

Old inactive data points.
Overrides
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OnDataPointStylePropertyChanged(Style, Style)

DataPointStyleProperty property changed handler.

Declaration
protected override void OnDataPointStylePropertyChanged(Style oldValue, Style newValue)
Parameters
Type Name Description
Style oldValue

Old value.
Style newValue

New value.
Overrides
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OnLegendItemStylePropertyChanged(Style, Style)

Called when the value of the LegendItemStyle property changes.

Declaration
protected override void OnLegendItemStylePropertyChanged(Style oldValue, Style newValue)
Parameters
Type Name Description
Style oldValue

Old value.
Style newValue

New value.
Overrides
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OnResourceDictionariesChanged(EventArgs)

Invokes the ResourceDictionariesChanged event.

Declaration
protected virtual void OnResourceDictionariesChanged(EventArgs e)
Parameters
Type Name Description
System.EventArgs e

Event arguments.
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OnSeriesHostPropertyChanged(ISeriesHost, ISeriesHost)

Called when the value of the SeriesHost property changes.

Declaration
protected override void OnSeriesHostPropertyChanged(ISeriesHost oldValue, ISeriesHost newValue)
Parameters
Type Name Description
ISeriesHost oldValue

The value to be replaced.
ISeriesHost newValue

The new series host value.
Overrides
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RemoveDataPoint(DataPoint)

Removes data point's legend item when the data point is removed.

Declaration
protected override void RemoveDataPoint(DataPoint dataPoint)
Parameters
Type Name Description
DataPoint dataPoint

The data point to remove.
Overrides
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UpdateDataPoint(DataPoint)

Updates a data point.

Declaration
protected override void UpdateDataPoint(DataPoint dataPoint)
Parameters
Type Name Description
DataPoint dataPoint

The data point to update.
Overrides

Events

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ResourceDictionariesChanged

Event that is invoked when the ResourceDictionaryDispenser's collection has changed.

Declaration
public event EventHandler ResourceDictionariesChanged
Event Type
Type Description
System.EventHandler

Implements

Extension Methods