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.

Characteristics	Members
Data	ValueIndicatorBase.Value
Visibility	ValueIndicatorBase.Visible
Interactivity	ValueIndicatorBase.Animation,ValueIndicatorBase.IsHitTestVisible,ValueIndicatorBase.IsInteractive
Appearance	CircularGaugeControl.Model,ArcScaleNeedle.Presentation
Behaviour	ArcScaleNeedle.Options