ArcScaleNeedleCollection Class

A collection that stores the needles of a particular arc scale.

Namespace: DevExpress.Xpf.Gauges

Assembly: DevExpress.Xpf.Gauges.v20.2.dll

Declaration

public class ArcScaleNeedleCollection :
    ArcScaleIndicatorCollection<ArcScaleNeedle>
Public Class ArcScaleNeedleCollection
    Inherits ArcScaleIndicatorCollection(Of ArcScaleNeedle)

Related API Members

The following members accept/return ArcScaleNeedleCollection objects:

Remarks

Each arc scale can hold a collection of needles returned by the ArcScale.Needles property and represented by the ArcScaleNeedleCollection class. Each collection item is an instance of the ArcScaleNeedle class and can be accessed via the GaugeDependencyObjectCollectionBase<T>.Item property of an ArcScaleNeedleCollection object.

For more information on needles, refer to the Needle (Circular Scale) document.

Examples

The following example demonstrates how to customize the needle on a circular scale.

View Example

<dxga:ArcScale.Needles>
    <dxga:ArcScaleNeedle x:Name="needle" IsInteractive="True">
        <dxga:ArcScaleNeedle.Options>
            <dxga:ArcScaleNeedleOptions EndOffset="10" />
        </dxga:ArcScaleNeedle.Options>
        <dxga:ArcScaleNeedle.Presentation>
            <dxga:CustomArcScaleNeedlePresentation
                NeedleTemplate="{StaticResource OscilloscopeNeedleTemplate}" />
        </dxga:ArcScaleNeedle.Presentation>
    </dxga:ArcScaleNeedle>
</dxga:ArcScale.Needles>
See Also