Class DataPointSeriesDragDropTarget

A control that enabled drag and drop operations on an Chart.

Inheritance
System.Object
DependencyObject
UIElement
FrameworkElement
Control
ContentControl
DragDropTarget<DataPointSeries, DataPoint>
DataPointSeriesDragDropTarget
Implements
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
[TemplatePart(Name = "DragContainer", Type = typeof(Canvas))]
[TemplatePart(Name = "DragDecorator", Type = typeof(DragDecorator))]
[TemplatePart(Name = "InsertionIndicator", Type = typeof(Path))]
[TemplatePart(Name = "InsertionIndicatorContainer", Type = typeof(Canvas))]
[TemplatePart(Name = "DragPopup", Type = typeof(Popup))]
public class DataPointSeriesDragDropTarget : DragDropTarget<DataPointSeries, DataPoint>, IControl, IFrameworkElement, IUIElement, IDependencyObject, IAcceptDrop

Constructors

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DataPointSeriesDragDropTarget()

Initializes a new instance of the DataPointSeriesDragDropTarget.

Declaration
public DataPointSeriesDragDropTarget()

Properties

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Chart

Gets the chart object.

Declaration
protected Chart Chart { get; }
Property Value
Type Description
Chart

Methods

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AddItem(DataPointSeries, Object)

Adds an item to an items control.

Declaration
protected override void AddItem(DataPointSeries itemsControl, object data)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
System.Object data

The data to be inserted.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.AddItem(System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Object)
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CanAddItem(DataPointSeries, Object)

Returns a value indicating whether an item can be added to the items control.

Declaration
protected override bool CanAddItem(DataPointSeries itemsControl, object data)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
System.Object data

The data to be added.
Returns
Type Description
System.Boolean

A value indicating whether an item can be added to the items control.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.CanAddItem(System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Object)
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CanRemove(DataPointSeries)

Returns a value indicating whether an item can be removed from the items control.

Declaration
protected override bool CanRemove(DataPointSeries itemsControl)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
Returns
Type Description
System.Boolean

A value indicating whether an item can be removed from the items control.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.CanRemove(System.Windows.Controls.DataVisualization.Charting.DataPointSeries)
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ContainerFromIndex(DataPointSeries, Int32)

Retrieves the item container at a given index.

Declaration
protected override DataPoint ContainerFromIndex(DataPointSeries itemsControl, int index)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
System.Int32 index

The index at which to retrieve the container.
Returns
Type Description
DataPoint

The item container at a given index.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.ContainerFromIndex(System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Int32)
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GetDropTarget(DragEventArgs)

Detects whether an item is being dragged over a legend item and selects the owner series as the drop target.

Declaration
protected override DataPointSeries GetDropTarget(DragEventArgs args)
Parameters
Type Name Description
DragEventArgs args

Information about the drag event.
Returns
Type Description
DataPointSeries

The drop target.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.GetDropTarget(Microsoft.Windows.DragEventArgs)
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GetItemCount(DataPointSeries)

Gets the number of items in an items control.

Declaration
protected override int GetItemCount(DataPointSeries itemsControl)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
Returns
Type Description
System.Int32

The number of items in the items control.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.GetItemCount(System.Windows.Controls.DataVisualization.Charting.DataPointSeries)
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GetItemsControlAncestor(DependencyObject)

Retrieves the data point series that contains a dependency object.

Declaration
protected override DataPointSeries GetItemsControlAncestor(DependencyObject dependencyObject)
Parameters
Type Name Description
DependencyObject dependencyObject

The dependency object.
Returns
Type Description
DataPointSeries

The data point series ancestor of a given object.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.GetItemsControlAncestor(System.Windows.DependencyObject)
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GetItemsHost(DataPointSeries)

Retrieves the items host for a given items control.

Declaration
protected override Panel GetItemsHost(DataPointSeries itemsControl)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
Returns
Type Description
Panel

The items host for a given items control.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.GetItemsHost(System.Windows.Controls.DataVisualization.Charting.DataPointSeries)
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IndexFromContainer(DataPointSeries, DataPoint)

Retrieves the index of an item container.

Declaration
protected override int? IndexFromContainer(DataPointSeries itemsControl, DataPoint itemContainer)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
DataPoint itemContainer

The item container.
Returns
Type Description
System.Nullable<System.Int32>

The index of an item container.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.IndexFromContainer(System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint)
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InsertItem(DataPointSeries, Int32, Object)

Inserts an item into an items control.

Declaration
protected override void InsertItem(DataPointSeries itemsControl, int index, object data)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
System.Int32 index

The index at which to insert the item.
System.Object data

The data to be inserted.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.InsertItem(System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Int32, System.Object)
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IsItemContainerOfItemsControl(DataPointSeries, DependencyObject)

Returns a value indicating whether a container belongs to an items control.

Declaration
protected override bool IsItemContainerOfItemsControl(DataPointSeries itemsControl, DependencyObject itemContainer)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
DependencyObject itemContainer

The item container.
Returns
Type Description
System.Boolean

A value indicating whether a container belongs to an items control.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.IsItemContainerOfItemsControl(System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.DependencyObject)
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ItemFromContainer(DataPointSeries, DataPoint)

Gets the item from an item container.

Declaration
protected override object ItemFromContainer(DataPointSeries itemsControl, DataPoint itemContainer)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
DataPoint itemContainer

The item container.
Returns
Type Description
System.Object

The data contained by the item container.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.ItemFromContainer(System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint)
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OnContentChanged(Object, Object)

Ensures that the content property is set to a Chart object.

Declaration
protected override void OnContentChanged(object oldContent, object newContent)
Parameters
Type Name Description
System.Object oldContent

The old value.
System.Object newContent

The new value.
Overrides
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RemoveItem(DataPointSeries, Object)

Removes an item from an items control.

Declaration
protected override void RemoveItem(DataPointSeries itemsControl, object data)
Parameters
Type Name Description
DataPointSeries itemsControl

The items control.
System.Object data

The data to be removed.
Overrides
System.Windows.Controls.DragDropTarget<System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Windows.Controls.DataVisualization.Charting.DataPoint>.RemoveItem(System.Windows.Controls.DataVisualization.Charting.DataPointSeries, System.Object)

Implements

Extension Methods