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Needle

wpf-9957-controls-and-libraries-gauge-controls-visual-elements-circular-gauge-needle.md

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Needle

  • Jun 07, 2019

A Needle is used to indicate a current value in a Circular Gauge. Some gauges can have multiple Needles (e.g. a clock).

For more information on a Needle , refer to the Value Indicators document.

The table below lists the main properties affecting element behavior and appearance.

CharacteristicsMembers
DataValueIndicatorBase.Value
VisibilityValueIndicatorBase.Visible
InteractivityValueIndicatorBase.Animation,ValueIndicatorBase.IsHitTestVisible,ValueIndicatorBase.IsInteractive
AppearanceCircularGaugeControl.Model,ArcScaleNeedle.Presentation
BehaviourArcScaleNeedle.Options