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CustomLinearScaleLevelBarPresentation Class

Contains presentation settings that specify the level bar appearance.

Namespace: DevExpress.Xpf.Gauges

Assembly: DevExpress.Xpf.Gauges.v22.2.dll

NuGet Package: DevExpress.Wpf.Gauges

Declaration

public class CustomLinearScaleLevelBarPresentation :
    LinearScaleLevelBarPresentation

Example

This example demonstrates how to define a custom linear scale line 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="500" Width="300">
    <Grid>
        <dxga:LinearGaugeControl>
            <dxga:LinearGaugeControl.Scales>
                <dxga:LinearScale ShowMinorTickmarks="False">
                    <dxga:LinearScale.LevelBars>
                        <dxga:LinearScaleLevelBar Value="50" IsInteractive="True">
                            <dxga:LinearScaleLevelBar.Presentation>
                                <dxga:CustomLinearScaleLevelBarPresentation>
                                    <dxga:CustomLinearScaleLevelBarPresentation.LevelBarBackgroundTemplate>
                                        <ControlTemplate>
                                            <Border Width="20" Background="#20FF0000" RenderTransformOrigin="0.5,1" Margin="0,0,0,-20">
                                                <Border.OpacityMask>
                                                    <LinearGradientBrush EndPoint="0,8" SpreadMethod="Repeat" MappingMode="Absolute">
                                                        <GradientStop Offset="0.5" Color="Black"/>
                                                        <GradientStop Offset="0.5" Color="Transparent"/>
                                                    </LinearGradientBrush>
                                                </Border.OpacityMask>
                                            </Border>
                                        </ControlTemplate>
                                    </dxga:CustomLinearScaleLevelBarPresentation.LevelBarBackgroundTemplate>
                                    <dxga:CustomLinearScaleLevelBarPresentation.LevelBarForegroundTemplate>
                                        <ControlTemplate>
                                            <Border Width="20" Background="#4000FF00" RenderTransformOrigin="0.5,1" Margin="0,0,0,-20">
                                                <Border.OpacityMask>
                                                    <LinearGradientBrush EndPoint="0,8" SpreadMethod="Repeat" MappingMode="Absolute">
                                                        <GradientStop Offset="0.5" Color="Black"/>
                                                        <GradientStop Offset="0.5" Color="Transparent"/>
                                                    </LinearGradientBrush>
                                                </Border.OpacityMask>
                                            </Border>
                                        </ControlTemplate>
                                    </dxga:CustomLinearScaleLevelBarPresentation.LevelBarForegroundTemplate>
                                </dxga:CustomLinearScaleLevelBarPresentation>
                            </dxga:LinearScaleLevelBar.Presentation>
                        </dxga:LinearScaleLevelBar>
                    </dxga:LinearScale.LevelBars>
                </dxga:LinearScale>
            </dxga:LinearGaugeControl.Scales>
        </dxga:LinearGaugeControl>
    </Grid>
</Window>

The image below illustrates the result.

See Also