MainWindow.xaml

<Window x:Class="AreaDesignWpfControls.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:local="clr-namespace:AreaDesignWpfControls" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        Title="MainWindow" Width="800" Height="450" WindowStartupLocation="CenterScreen" mc:Ignorable="d">
    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="ToggleButtonStyles.xaml" />
            </ResourceDictionary.MergedDictionaries>
            <Style BasedOn="{StaticResource ToggleButtonSwitchStyle}" TargetType="CheckBox">
                <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
                <Setter Property="Margin" Value="3" />
            </Style>
            <Style TargetType="TextBlock">
                <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
            </Style>
        </ResourceDictionary>
    </Window.Resources>

    <Grid x:Name="grid" Background="{DynamicResource BackgroundBrush}">
        <ToggleButton x:Name="toggleButton" Height="110" Margin="100,0,0,0" HorizontalAlignment="Center"
                      local:ToggleButtonAttach.IsAutoFold="{Binding IsChecked, ElementName=checkBox}"
                      Checked="ToggleButton_Checked" Content="切换深色" FontSize="36"
                      Style="{StaticResource ToggleButtonGorgeousThemeSwitchStyle}"
                      Unchecked="ToggleButton_Checked" />

        <StackPanel Margin="20" HorizontalAlignment="Left" VerticalAlignment="Top">
            <TextBlock FontSize="24" Text="设置" ToolTip="使用示例" />
            <CheckBox Name="checkBox" Content="自动折叠按钮" />
            <CheckBox Margin="3" Content="切换主题"
                      IsChecked="{Binding IsChecked, ElementName=toggleButton}"
                      Style="{StaticResource ToggleButtonGorgeousThemeSwitchStyle}" />
        </StackPanel>
        <TextBlock x:Name="FpsTextBlock" Margin="15" HorizontalAlignment="Right" VerticalAlignment="Top" FontSize="18" />
    </Grid>
</Window>