public class LinearGaugeNeedleIndicator : GaugeVisualElement, INotifyPropertyChanged, ICustomTypeDescriptor, ISupportSystemSkin, IComponent, IDisposable, IBindableComponent, ISupportDrag, ISupportDrop, IShortcutProvider, IStylableElement, IStylableNode, IPrimitiveElement, IShapedElement, IFillElement, IBorderElement, IBoxStyle, IBoxElement, IImageElement, ITextPrimitive, ITextProvider, IDrawing

Constructors

LinearGaugeNeedleIndicator()

Declaration

public LinearGaugeNeedleIndicator()

LinearGaugeNeedleIndicator(RadLinearGaugeElement)

Declaration

public LinearGaugeNeedleIndicator(RadLinearGaugeElement owner)

Parameters

RadLinearGaugeElement owner

Fields

ValueProperty

Declaration

public static RadProperty ValueProperty

Field Value

RadProperty

Properties

BackLenghtPercentage

Use BackLengthPercentage instead.

Declaration

[Obsolete("Obsolete. Use the BackLengthPercentage  property instead. This property will be removed in R1 2026.")]
public float BackLenghtPercentage { get; set; }

Property Value

System.Single

BackLengthPercentage

Specifies the value with which the needle juts out from the center point.

Declaration

public float BackLengthPercentage { get; set; }

Property Value

System.Single

BindOffset

Specifies the value offset of the needle according to the gauge's value.

Declaration

public float BindOffset { get; set; }

Property Value

System.Single

BindValue

Indicates whether the needle's value is bound to the gauge's Value.

Declaration

public bool BindValue { get; set; }

Property Value

System.Boolean

CircleTicks

Controls whether the specific ticks are circle or not.

Declaration

public bool CircleTicks { get; set; }

Property Value

System.Boolean

Direction

Declaration

public Direction Direction { get; set; }

Property Value

Direction

DrawValue

Declaration

public bool DrawValue { get; set; }

Property Value

System.Boolean

InnerPointRadiusPercentage

Specifies the inner radius of the needle's start point.

Declaration

public float InnerPointRadiusPercentage { get; set; }

Property Value

System.Single

IsFilled

Declaration

public bool IsFilled { get; set; }

Property Value

System.Boolean

LabelFontSize

Declaration

public float LabelFontSize { get; set; }

Property Value

System.Single

LabelFormat

Specifies the label format. By default, it is set to #,##0.#.

Declaration

public string LabelFormat { get; set; }

Property Value

System.String

LenghtPercentage

Use LengthPercentage instead.

Declaration

[Obsolete("Obsolete. Use the LengthPercentage property instead. This property will be removed in R1 2026.")]
public float LenghtPercentage { get; set; }

Property Value

System.Single

LengthPercentage

Controls how long the needle will be rendered.

Declaration

public float LengthPercentage { get; set; }

Property Value

System.Single

LineLenght

Declaration

[Obsolete("Obsolete. Use the LineLength property instead. This property will be removed in R1 2026.")]
public float LineLenght { get; set; }

Property Value

System.Single

LineLength

Declaration

public float LineLength { get; set; }

Property Value

System.Single

LocationPercentage

Declaration

public float LocationPercentage { get; set; }

Property Value

System.Single

Path

Declaration

public override GraphicsPath Path { get; }

Property Value

System.Drawing.Drawing2D.GraphicsPath

Overrides

GaugeVisualElement.Path

PointRadiusPercentage

Specifies the outer radius of the needle's start point.

Declaration

public float PointRadiusPercentage { get; set; }

Property Value

System.Single

TextOffsetFromIndicator

Declaration

public SizeF TextOffsetFromIndicator { get; set; }

Property Value

System.Drawing.SizeF

Thickness

Controls the needle width.

Declaration

public float Thickness { get; set; }

Property Value

System.Single

Value

Specifies the needle's value.

Declaration

public float Value { get; set; }

Property Value

System.Single

Methods

CreateChildElements()

Declaration

protected override void CreateChildElements()

Overrides

RadElement.CreateChildElements()

HitTest(Point)

Declaration

public override bool HitTest(Point point)

Parameters

System.Drawing.Point point

Returns

System.Boolean

Overrides

GaugeVisualElement.HitTest(Point)

OnNotifyPropertyChanged(String)

Declaration

protected override void OnNotifyPropertyChanged(string propertyName)

Parameters

System.String propertyName

Overrides

RadObject.OnNotifyPropertyChanged(String)

OnParentChanged(RadElement)

Declaration

protected override void OnParentChanged(RadElement previousParent)

Parameters

RadElement previousParent

Overrides

RadElement.OnParentChanged(RadElement)

OnValueChanged()

Declaration

protected void OnValueChanged()

Paint(Graphics, Rectangle)

Declaration

public void Paint(Graphics graphics, Rectangle boundingRectangle)

Parameters

System.Drawing.Graphics graphics
System.Drawing.Rectangle boundingRectangle

Implements

IDrawing.Paint(Graphics, Rectangle)

PaintElement(IGraphics, Single, SizeF)

Declaration

protected override void PaintElement(IGraphics graphics, float angle, SizeF scale)

Parameters

IGraphics graphics
System.Single angle
System.Drawing.SizeF scale

Overrides

LightVisualElement.PaintElement(IGraphics, Single, SizeF)

Events

ValueChanged

Declaration

public event EventHandler ValueChanged

Event Type

System.EventHandler

Extension Methods

CommonExtensions.ClearIfNoBindingAndSet(RadObject, RadProperty)

DispatcherExtensions.CheckAccess(RadObject)

SerializationExtensions.DeserializePrimitives(RadItem, SerializationInfo)

CommonExtensions.SetIfDifferent(RadObject, RadProperty, Object)

CommonExtensions.ClearIfSet(RadObject, RadProperty)

CommonExtensions.IsLocalValueSet(RadObject, RadProperty)

DispatcherExtensions.CheckAccess(RadObject)

SvgExtentions.Traverse<T>(T, Func<T, IEnumerable<T>>)

SvgExtentions.TraverseDepthFirst<T>(T, Func<T, IEnumerable<T>>)