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CustomArcScaleLinePresentation Class

Contains presentation settings that specify the line appearance.

Namespace: DevExpress.Xpf.Gauges

Assembly: DevExpress.Xpf.Gauges.v20.1.dll

Declaration

public class CustomArcScaleLinePresentation :
    ArcScaleLinePresentation
Public Class CustomArcScaleLinePresentation
    Inherits ArcScaleLinePresentation

Examples

This example demonstrates how to define a custom 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="300" Width="300">
    <Grid>
        <dxga:CircularGaugeControl>
            <dxga:CircularGaugeControl.Scales>
                <dxga:ArcScale ShowMinorTickmarks="False" ShowLine="True" StartAngle="0" EndAngle="360">
                    <dxga:ArcScale.Needles>
                        <dxga:ArcScaleNeedle/>
                    </dxga:ArcScale.Needles>
                    <dxga:ArcScale.LineOptions>
                        <dxga:ScaleLineOptions Thickness="10"/>
                    </dxga:ArcScale.LineOptions>
                    <dxga:ArcScale.LinePresentation>
                        <dxga:CustomArcScaleLinePresentation>
                            <dxga:CustomArcScaleLinePresentation.LineTemplate>
                                <ControlTemplate>
                                    <Grid RenderTransformOrigin="0.5,0.5">
                                        <Grid.ColumnDefinitions>
                                            <ColumnDefinition/>
                                            <ColumnDefinition/>
                                        </Grid.ColumnDefinitions>
                                        <Grid.RowDefinitions>
                                            <RowDefinition/>
                                            <RowDefinition/>
                                        </Grid.RowDefinitions>
                                        <Rectangle>
                                            <Rectangle.Fill>
                                                <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
                                                    <GradientStop Color="Yellow" Offset="0.1"/>
                                                    <GradientStop Color="Blue" Offset="1.0"/>
                                                </LinearGradientBrush>
                                            </Rectangle.Fill>
                                        </Rectangle>
                                        <Rectangle Grid.Column="1">
                                            <Rectangle.Fill>
                                                <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
                                                    <GradientStop Color="Yellow" Offset="0.0"/>
                                                    <GradientStop Color="Lime" Offset="1.0"/>
                                                </LinearGradientBrush>
                                            </Rectangle.Fill>
                                        </Rectangle>
                                        <Rectangle Grid.Row="1" Grid.Column="1">
                                            <Rectangle.Fill>
                                                <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
                                                    <GradientStop Color="Lime" Offset="0.0"/>
                                                    <GradientStop Color="Red" Offset="1.0"/>
                                                </LinearGradientBrush>
                                            </Rectangle.Fill>
                                        </Rectangle>
                                        <Rectangle Grid.Row="1" >
                                            <Rectangle.Fill>
                                                <LinearGradientBrush StartPoint="0.5,0" EndPoint="0.5,1">
                                                    <GradientStop Color="Blue" Offset="0.0"/>
                                                    <GradientStop Color="Red" Offset="1.0"/>
                                                </LinearGradientBrush>
                                            </Rectangle.Fill>
                                        </Rectangle>
                                    </Grid>
                                </ControlTemplate>
                            </dxga:CustomArcScaleLinePresentation.LineTemplate>
                        </dxga:CustomArcScaleLinePresentation>
                    </dxga:ArcScale.LinePresentation>
                </dxga:ArcScale>
            </dxga:CircularGaugeControl.Scales>
        </dxga:CircularGaugeControl>
    </Grid>
</Window>

The image below illustrates the result.

Inheritance

Object
DispatcherObject
DependencyObject
Freezable
GaugeDependencyObject
PresentationBase
DevExpress.Xpf.Gauges.ScaleLinePresentation
ArcScaleLinePresentation
CustomArcScaleLinePresentation
See Also