在WPF XAML中基于IsChecked属性更改CheckBox样式

<Window x:Class="WpfApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="WPF CheckBox Style" Height="450" Width="800">
    <Window.Resources>
        <Style TargetType="CheckBox">
            <Setter Property="Width" Value="100"/>
            <Setter Property="Height" Value="30"/>
            <Setter Property="FontSize" Value="14"/>
            <Setter Property="Foreground" Value="Black"/>
            <Setter Property="Background" Value="White"/>
            <Setter Property="BorderBrush" Value="Gray"/>
            <Setter Property="BorderThickness" Value="1"/>
            <Style.Triggers>
                <Trigger Property="IsChecked" Value="True">
                    <Setter Property="Background" Value="Green"/>
                    <Setter Property="Foreground" Value="White"/>
                </Trigger>
                <Trigger Property="IsChecked" Value="False">
                    <Setter Property="Background" Value="Red"/>
                    <Setter Property="Foreground" Value="White"/>
                </Trigger>
                <Trigger Property="IsChecked" Value="{x:Null}">
                    <Setter Property="Background" Value="Yellow"/>
                    <Setter Property="Foreground" Value="Black"/>
                </Trigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>
    <Grid>
        <CheckBox Content="Check me" IsChecked="{Binding IsChecked}"/>
    </Grid>
</Window>