Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

CustomArcScaleMarkerPresentation Class

Contains presentation settings that specify the marker appearance.

Namespace: DevExpress.Xpf.Gauges

Assembly: DevExpress.Xpf.Gauges.v24.2.dll

NuGet Package: DevExpress.Wpf.Gauges

#Declaration

public class CustomArcScaleMarkerPresentation :
    ArcScaleMarkerPresentation

#Example

This example demonstrates how to define a custom marker presentation.

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:GaugesDemoApp"
        xmlns:dxga="http://schemas.devexpress.com/winfx/2008/xaml/gauges" 
        x:Class="GaugesDemoApp.MainWindow"
        Title="MainWindow" Height="300" Width="300">
    <Grid>
        <dxga:CircularGaugeControl>
            <dxga:CircularGaugeControl.Scales>
                <dxga:ArcScale ShowMinorTickmarks="False" ShowLine="False">
                    <dxga:ArcScale.Ranges>
                        <dxga:ArcScaleRange StartValue="0" EndValue="100">
                            <dxga:ArcScaleRange.Presentation>
                                <dxga:DefaultArcScaleRangePresentation Fill="Gray"/>
                            </dxga:ArcScaleRange.Presentation>
                            <dxga:ArcScaleRange.Options>
                                <dxga:RangeOptions Thickness="40"/>
                            </dxga:ArcScaleRange.Options>
                        </dxga:ArcScaleRange>
                    </dxga:ArcScale.Ranges>
                    <dxga:ArcScale.Markers>
                        <dxga:ArcScaleMarker Value="25" IsInteractive="True">
                            <dxga:ArcScaleMarker.Presentation>
                                <dxga:CustomArcScaleMarkerPresentation>
                                    <dxga:CustomArcScaleMarkerPresentation.MarkerTemplate>
                                        <ControlTemplate>
                                            <Border Background="White" BorderThickness="0" Width="38" Height="10" CornerRadius="5" />
                                        </ControlTemplate>
                                    </dxga:CustomArcScaleMarkerPresentation.MarkerTemplate>
                                </dxga:CustomArcScaleMarkerPresentation>
                            </dxga:ArcScaleMarker.Presentation>
                            <dxga:ArcScaleMarker.Options>
                                <dxga:ArcScaleMarkerOptions Offset="-39"/>
                            </dxga:ArcScaleMarker.Options>
                        </dxga:ArcScaleMarker>
                    </dxga:ArcScale.Markers>
                    <dxga:ArcScale.Needles>
                        <dxga:ArcScaleNeedle Value="85" IsInteractive="True"/>
                    </dxga:ArcScale.Needles>
                </dxga:ArcScale>
            </dxga:CircularGaugeControl.Scales>
        </dxga:CircularGaugeControl>
    </Grid>
</Window>

The image below illustrates the result.

See Also