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  [Expand]DevExpress.Charts.Designer
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  [Expand]DevExpress.Mvvm.UI.Interactivity
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  [Expand]DevExpress.Xpf.Editors.Settings
  [Expand]DevExpress.Xpf.Editors.Validation
  [Collapse]DevExpress.Xpf.Gauges
   [Expand]AnalogGaugeControl Class
   [Expand]AnimationBase Class
   [Expand]ArcScale Class
   [Expand]ArcScaleCollection Class
   [Expand]ArcScaleIndicator Class
   [Expand]ArcScaleIndicatorCollection<T> Class
   [Expand]ArcScaleLabelOptions Class
    ArcScaleLabelOrientation Enumeration
   [Expand]ArcScaleLayer Class
   [Expand]ArcScaleLayerCollection Class
   [Expand]ArcScaleLayerPresentation Class
    ArcScaleLayoutMode Enumeration
   [Expand]ArcScaleMarker Class
   [Expand]ArcScaleMarkerCollection Class
   [Expand]ArcScaleMarkerOptions Class
    ArcScaleMarkerOrientation Enumeration
   [Expand]ArcScaleMarkerPresentation Class
   [Expand]ArcScaleNeedle Class
   [Expand]ArcScaleNeedleCollection Class
   [Expand]ArcScaleNeedleOptions Class
   [Expand]ArcScaleNeedlePresentation Class
   [Expand]ArcScaleRange Class
   [Expand]ArcScaleRangeBar Class
   [Expand]ArcScaleRangeBarCollection Class
   [Expand]ArcScaleRangeBarOptions Class
   [Expand]ArcScaleRangeBarPresentation Class
   [Expand]ArcScaleRangeCollection Class
   [Expand]BlinkingAnimation Class
   [Expand]CircularGaugeControl Class
   [Expand]CircularGaugeHitInfo Class
   [Expand]CircularGaugeLayer Class
   [Expand]CircularGaugeLayerCollection Class
   [Expand]CircularGaugeLayerPresentation Class
   [Expand]CreepingLineAnimation Class
    CreepingLineAnimationCompletedEventHandler Delegate
    CreepingLineDirection Enumeration
   [Expand]DigitalGaugeControl Class
   [Expand]DigitalGaugeLayer Class
   [Expand]DigitalGaugeLayerCollection Class
   [Expand]DigitalGaugeLayerPresentation Class
   [Expand]DigitalGaugeModel Class
   [Expand]FourteenSegmentsModel Class
   [Expand]FourteenSegmentsPresentation Class
   [Expand]FourteenSegmentsView Class
   [Expand]GaugeControlBase Class
   [Expand]GaugeDependencyObject Class
   [Expand]GaugeDependencyObjectCollection<T> Class
   [Expand]GaugeDependencyObjectCollectionBase<T> Class
   [Expand]GaugeElement Class
   [Expand]GaugeElementCollection<T> Class
   [Expand]GaugeHitInfoBase Class
   [Expand]GaugeLayerBase Class
   [Expand]GaugeLayerCollection<T> Class
   [Expand]IndicatorAnimation Class
   [Expand]IndicatorEnterEventArgs Class
    IndicatorEnterEventHandler Delegate
   [Expand]IndicatorEnterLeaveEventArgs Class
   [Expand]IndicatorLeaveEventArgs Class
    IndicatorLeaveEventHandler Delegate
   [Expand]LayerBase Class
   [Expand]LayerCollection<T> Class
   [Expand]LayerOptions Class
   [Expand]LayerPresentation Class
   [Expand]LinearGaugeControl Class
   [Expand]LinearGaugeHitInfo Class
   [Expand]LinearGaugeLayer Class
   [Expand]LinearGaugeLayerCollection Class
   [Expand]LinearScale Class
   [Expand]LinearScaleCollection Class
   [Expand]LinearScaleIndicator Class
   [Expand]LinearScaleIndicatorCollection<T> Class
   [Expand]LinearScaleLabelOptions Class
    LinearScaleLabelOrientation Enumeration
   [Expand]LinearScaleLayer Class
   [Expand]LinearScaleLayerCollection Class
   [Expand]LinearScaleLayerPresentation Class
    LinearScaleLayoutMode Enumeration
   [Expand]LinearScaleLevelBar Class
   [Expand]LinearScaleLevelBarCollection Class
   [Expand]LinearScaleLevelBarOptions Class
   [Expand]LinearScaleLevelBarPresentation Class
   [Expand]LinearScaleMarker Class
   [Expand]LinearScaleMarkerCollection Class
   [Expand]LinearScaleMarkerOptions Class
    LinearScaleMarkerOrientation Enumeration
   [Expand]LinearScaleMarkerPresentation Class
   [Expand]LinearScaleRange Class
   [Expand]LinearScaleRangeBar Class
   [Expand]LinearScaleRangeBarCollection Class
   [Expand]LinearScaleRangeBarOptions Class
   [Expand]LinearScaleRangeCollection Class
   [Expand]MajorTickmarkOptions Class
   [Expand]MarkerOptionsBase Class
   [Expand]Matrix5x8Model Class
   [Expand]Matrix5x8Presentation Class
   [Expand]Matrix8x14Model Class
   [Expand]Matrix8x14Presentation Class
   [Expand]MatrixView Class
   [Expand]MatrixView5x8 Class
   [Expand]MatrixView8x14 Class
   [Expand]MinorTickmarkOptions Class
   [Expand]PredefinedDigitalGaugeLayerPresentation Class
   [Expand]PredefinedElementKind Class
   [Expand]PredefinedLinearScaleMarkerPresentation Class
   [Expand]PredefinedLinearScaleRangeBarPresentation Class
   [Expand]PresentationBase Class
   [Expand]RangeBarOptionsBase Class
   [Expand]RangeBase Class
   [Expand]RangeOptions Class
   [Expand]RangeValue Structure
    RangeValueType Enumeration
   [Expand]Scale Class
   [Expand]ScaleCollection<T> Class
   [Expand]ScaleCustomElement Class
   [Expand]ScaleCustomElementCollection Class
   [Expand]ScaleCustomLabel Class
   [Expand]ScaleCustomLabelCollection Class
   [Expand]ScaleLabelOptions Class
   [Expand]ScaleLayerBase Class
   [Expand]ScaleLineOptions Class
   [Expand]SegmentsView Class
   [Expand]SevenSegmentsModel Class
   [Expand]SevenSegmentsPresentation Class
   [Expand]SevenSegmentsView Class
   [Expand]SpindleCapOptions Class
   [Expand]SpindleCapPresentation Class
   [Expand]State Class
   [Expand]StateCollection Class
   [Expand]StateIndicatorControl Class
   [Expand]StateIndicatorModel Class
   [Expand]StateInfo Class
   [Expand]StatePresentation Class
   [Expand]StatesMask Structure
   [Expand]SymbolDictionary Class
   [Expand]SymbolLength Structure
    SymbolLengthType Enumeration
   [Expand]SymbolOptions Class
   [Expand]SymbolsAnimation Class
   [Expand]SymbolSegmentsMapping Class
    SymbolType Enumeration
   [Expand]SymbolViewBase Class
    TextDirection Enumeration
    TextHorizontalAlignment Enumeration
    TextVerticalAlignment Enumeration
   [Expand]TickmarkOptions Class
   [Expand]TickmarksPresentation Class
   [Expand]ValueChangedEventArgs Class
    ValueChangedEventHandler Delegate
   [Collapse]ValueIndicatorBase Class
     ValueIndicatorBase Members
     ValueIndicatorBase Constructor
    [Expand]ValueIndicatorBase Properties
    [Expand]ValueIndicatorBase Events
   [Expand]ValueIndicatorCollection<T> Class
   [Expand]ValueIndicatorPresentation Class
  [Expand]DevExpress.Xpf.Gauges.Localization
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  [Expand]DevExpress.Xpf.Printing
  [Expand]DevExpress.Xpf.Printing.Parameters
  [Expand]DevExpress.Xpf.Printing.Parameters.Models
  [Expand]DevExpress.Xpf.Printing.PreviewControl.Bars
  [Expand]DevExpress.Xpf.Prism
  [Expand]DevExpress.Xpf.PropertyGrid
  [Expand]DevExpress.Xpf.Reports.UserDesigner
  [Expand]DevExpress.Xpf.Reports.UserDesigner.Extensions
  [Expand]DevExpress.Xpf.Reports.UserDesigner.Localization
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  [Expand]DevExpress.Xpf.Reports.UserDesigner.ReportWizard.Pages
  [Expand]DevExpress.Xpf.Ribbon
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  [Expand]DevExpress.Xpf.Scheduler
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[Expand]Tools and Utilities
 End-User Documentation

ValueIndicatorBase Class

Serves as the base class for all value indicators.

Namespace:DevExpress.Xpf.Gauges
Assembly:DevExpress.Xpf.Gauges.v17.1.dll

Expanded Syntax

Expanded Remarks

The ValueIndicatorBase class provides all functional capabilities common for value indicators derived from it: (e.g. ArcScaleNeedle returned by the ArcScale.Needles property, LinearScaleMarker returned by the LinearScale.Markers property, etc.).

Expanded Example

Show Me

A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=E3316.

This example demonstrates how to enable the capability for end-users to change a needle's value via a mouse click. To do this, set the IsInteractive property to True as shown below.

Note that although in this example, only the ArcScaleNeedle class is used, the IsInteractive property is available in all ValueIndicatorBase class descendants, and therefore it is available in all value indicators.

Expanded Inheritance Hierarchy

System.Object
    System.Windows.Threading.DispatcherObject
       System.Windows.DependencyObject
          System.Windows.Freezable
             GaugeDependencyObject
                ValueIndicatorBase
                   ArcScaleIndicator
                   ArcScaleMarker
                   ArcScaleNeedle
                   ArcScaleRangeBar
                   LinearScaleIndicator
                   LinearScaleLevelBar
                   LinearScaleMarker
                   LinearScaleRangeBar

Expanded See Also

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