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V25.1
  • CustomSpindleCapPresentation Class

    Contains presentation settings that specify the spindle cap appearance.

    Namespace: DevExpress.Xpf.Gauges

    Assembly: DevExpress.Xpf.Gauges.v25.1.dll

    NuGet Package: DevExpress.Wpf.Gauges

    Declaration

    public class CustomSpindleCapPresentation :
        SpindleCapPresentation

    Example

    This example demonstrates how to define a custom spindle cap 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 Foreground="White">
                <dxga:CircularGaugeControl.Scales>
                    <dxga:ArcScale ShowSpindleCap="True">
                        <dxga:ArcScale.Needles>
                            <dxga:ArcScaleNeedle Value="42"/>
                        </dxga:ArcScale.Needles>
                        <dxga:ArcScale.SpindleCapPresentation>
                            <dxga:CustomSpindleCapPresentation>
                                <dxga:CustomSpindleCapPresentation.SpindleCapTemplate>
                                    <ControlTemplate>
                                        <Grid RenderTransformOrigin="0,1">
                                            <Grid.ColumnDefinitions>
                                                <ColumnDefinition Width="Auto"/>
                                                <ColumnDefinition Width="Auto"/>
                                            </Grid.ColumnDefinitions>
                                            <Grid.RowDefinitions>
                                                <RowDefinition Height="Auto"/>
                                                <RowDefinition Height="Auto"/>
                                            </Grid.RowDefinitions>
                                            <Line StrokeThickness="3" Grid.Row="1" Stroke="Black" Width="20" Height="60" X1="0" X2="20" Y1="60" Y2="0"/>
                                            <Line StrokeThickness="1" Grid.Row="1" Stroke="White" Width="20" Height="60" X1="0" X2="20" Y1="60" Y2="0"/>
                                            <Ellipse Grid.Column="1" Width="20" Height="20" Margin="-10">
                                                <Ellipse.Fill>
                                                    <RadialGradientBrush Center="0.4, 0.3">
                                                        <GradientStop Color="White" Offset="0"/>
                                                        <GradientStop Color="Red" Offset="1"/>
                                                    </RadialGradientBrush>
                                                </Ellipse.Fill>
                                            </Ellipse>
                                        </Grid>
                                    </ControlTemplate>
                                </dxga:CustomSpindleCapPresentation.SpindleCapTemplate>
                            </dxga:CustomSpindleCapPresentation>
                        </dxga:ArcScale.SpindleCapPresentation>
                    </dxga:ArcScale>
                </dxga:CircularGaugeControl.Scales>
            </dxga:CircularGaugeControl>
        </Grid>
    </Window>
    

    The image below illustrates the result.

    See Also