Shaker/Avalonia/ShakerApp/App.axaml

<Application
    x:Class="ShakerApp.App"
    xmlns="https://github.com/avaloniaui"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:convert="using:ShakerApp.Convert"
    xmlns:local="using:ShakerApp"
    xmlns:oxy="http://oxyplot.org/avalonia"
    xmlns:s="using:System"
    xmlns:suki="https://github.com/kikipoulet/SukiUI"
    RequestedThemeVariant="Default">
    <!--  "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options.  -->
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceInclude Source="Styles/ResourceDictionary.axaml" />
            </ResourceDictionary.MergedDictionaries>

        </ResourceDictionary>

        <convert:EnumToCollectionConverter x:Key="EnumToCollectionConverter" />
        <convert:EnumToDescription x:Key="EnumToDescription" />
        <convert:Object2BooleanConverter x:Key="Object2BooleanConverter" />
        <convert:Type2ViewConverter x:Key="Type2ViewConverter" />
        <convert:EnumToBooleanConverter x:Key="EnumToBooleanConverter" />
        <convert:MathAddConverter x:Key="MathAddConverter" />
        <convert:SubtractionConverter x:Key="SubtractionConverter" />
        <convert:TimeToStringConverter x:Key="TimeToStringConverter" />
        <convert:MutliBoolConverter x:Key="MutliBoolConverter" />
        <convert:LessThanEqualConverter x:Key="LessThanEqualConverter" />
        <convert:MenuItemConverter x:Key="MenuItemConverter" />
        <convert:GreaterThanEqualConverter x:Key="GreaterThanEqualConverter" />
        <convert:MultiConverter x:Key="MultiConverter" />
        <convert:BrushToColorConverter x:Key="BrushToColorConverter" />
        <convert:MemoryConverter x:Key="MemoryConverter" />
        <convert:BooleanNonConverter x:Key="BooleanNonConverter" />
        <convert:SweepFixedStartFrequencyConverter x:Key="SweepFixedStartFrequencyConverter" />
        <ControlTemplate x:Key="DefaultTrackerTemplate">
            <oxy:TrackerControl
                Background="#6F999999"
                BorderBrush="Transparent"
                CornerRadius="6"
                HorizontalLineVisibility="False"
                LineExtents="{Binding PlotModel.PlotArea}"
                LineStroke="Gray"
                Position="{Binding Position}"
                ShowPointer="True"
                VerticalLineVisibility="True">
                <oxy:TrackerControl.Content>
                    <StackPanel Margin="10">
                        <TextBlock Text="{DynamicResource Value}" />
                        <TextBlock>
                            <Run Text="{Binding XAxis.Title}" />
                            <Run Text=":" />
                            <Run Text="{Binding TrackerDatas[0].DataPoint.X, StringFormat='{}{0:F4}'}" />
                            <Run Text="{Binding XAxis.Unit}" />
                        </TextBlock>
                        <ItemsControl ItemsSource="{Binding TrackerDatas}">
                            <ItemsControl.ItemTemplate>
                                <DataTemplate>
                                    <TextBlock IsVisible="{Binding Series.IsVisible}">
                                        <Run Text="{Binding Series.Title}" />
                                        <Run Text=":" />
                                        <Run Text="{Binding DataPoint.Y, StringFormat='{}{0:F4}'}" />
                                        <Run Text="{Binding Series.Tag}" />
                                    </TextBlock>
                                </DataTemplate>
                            </ItemsControl.ItemTemplate>
                        </ItemsControl>
                    </StackPanel>
                </oxy:TrackerControl.Content>
            </oxy:TrackerControl>
        </ControlTemplate>
    </Application.Resources>
    <Application.Styles>
        <Style Selector=":is(Button):pointerover">
            <Setter Property="Cursor" Value="Hand" />
        </Style>
        <Style Selector="local|LEDControl">
            <Setter Property="Foreground" Value="Green" />
        </Style>
        <Style Selector="local|LEDControl.Error">
            <Setter Property="Foreground" Value="Red" />
        </Style>
        <Style Selector="local|LEDControl.Warn">
            <Setter Property="Foreground" Value="Yellow" />
        </Style>
        <Style Selector="ComboBox:pointerover">
            <Setter Property="Cursor" Value="Hand" />
        </Style>
        <Style Selector="MenuItem">
            <Setter Property="Foreground" Value="Black" />
        </Style>
        <Style Selector="MenuItem:disabled">
            <Setter Property="Foreground" Value="Gray" />
        </Style>

        <Style Selector="ToggleSwitch:disabled">
            <Setter Property="Opacity" Value="0.8" />
            <Setter Property="OpacityMask" Value="Gray" />
        </Style>



        <!--  Add the line below to get OxyPlot UI theme applied.  -->


        <!--  Add the line below to get OxyPlot UI theme applied in Avalonia 11.  -->
        <StyleInclude Source="avares://OxyPlot.Avalonia/Themes/Default.axaml" />
        <StyleInclude Source="avares://Avalonia.Controls.ColorPicker/Themes/Fluent/Fluent.xaml" />
        <suki:SukiTheme ThemeColor="Blue" />

    </Application.Styles>
</Application>