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

Circular Gauge_Needle

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