Class LineAnnotation

Represents the LineAnnotation class.

Inheritance
System.Object
Annotation
SingleAnnotation
ShapeAnnotation
LineAnnotation
StraightLineAnnotation
Implements
Inherited Members
Namespace: Syncfusion.UI.Xaml.Charts
Assembly: Syncfusion.SfChart.WPF.dll
Syntax
public class LineAnnotation : ShapeAnnotation, ICloneable

Constructors

LineAnnotation()

Declaration
public LineAnnotation()

Fields

arrowLine

Declaration
protected ArrowLine arrowLine
Field Value
Type
ArrowLine

GrabExtentProperty

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

LineCapProperty

The DependencyProperty for LineCap property.

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

ShowLineProperty

The DependencyProperty for ShowLine property.

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

Properties

GrabExtent

Gets or sets the grab extent for the dragging line annotation.

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

HorizontalChange

Gets or sets the horizontal change.

Declaration
protected double HorizontalChange { get; set; }
Property Value
Type
System.Double

LineCap

Gets or sets the line cap for the LineAnnotation.

Declaration
public LineCap LineCap { get; set; }
Property Value
Type Description
LineCap

LineCap

ShowLine

Gets or sets a value indicating whether to show the line or not.

Declaration
public bool ShowLine { get; set; }
Property Value
Type Description
System.Boolean

if true, Line will be visible.

VerticalChange

Gets or sets the vertical change.

Declaration
protected double VerticalChange { get; set; }
Property Value
Type
System.Double

Methods

CloneAnnotation(Annotation)

Clones the annotation.

Declaration
protected override DependencyObject CloneAnnotation(Annotation annotation)
Parameters
Type Name Description
Annotation annotation

The annotation.
Returns
Type Description
System.Windows.DependencyObject

Returns the cloned annotation.
Overrides

DrawLine(Point, Point, Shape)

Draws the line.

Declaration
protected void DrawLine(Point point, Point point2, Shape shape)
Parameters
Type Name Description
System.Windows.Point point

The first point.
System.Windows.Point point2

The second point.
System.Windows.Shapes.Shape shape

The shape to be used.

GetTextPosition(Size, Point, Size)

Gets the text position.

Declaration
protected override Point GetTextPosition(Size desiredSize, Point originalPosition, Size textSize)
Parameters
Type Name Description
System.Windows.Size desiredSize

The desired size.
System.Windows.Point originalPosition

The original position.
System.Windows.Size textSize

The text size.
Returns
Type Description
System.Windows.Point

Returns the text position after the alignment.
Overrides

OnDragCompleted(Object, DragCompletedEventArgs)

Updates the drag completed interactions.

Declaration
protected virtual void OnDragCompleted(object sender, DragCompletedEventArgs e)
Parameters
Type Name Description
System.Object sender

The sender object.
System.Windows.Controls.Primitives.DragCompletedEventArgs e

The drag completed event arguments.

SetBindings()

Sets the binding between the annotation and System.Windows.UIElement.

Declaration
protected override void SetBindings()
Overrides

SetTextElementPosition(Point, Point, Size, Point, ContentControl)

Sets the text element position.

Declaration
protected virtual void SetTextElementPosition(Point point, Point point2, Size desiredSize, Point positionedPoint, ContentControl textElement)
Parameters
Type Name Description
System.Windows.Point point

The first point.
System.Windows.Point point2

The second point.
System.Windows.Size desiredSize

The desired size.
System.Windows.Point positionedPoint

The position point.
System.Windows.Controls.ContentControl textElement

The text element.

UpdateAnnotation()

Updates the annotation.

Declaration
public override void UpdateAnnotation()
Overrides

Implements