如何将颜色绑定到文本框背景wpf

<Window.Resources>
    <Style x:Key="TextBoxStyle" TargetType="TextBox">
        <Setter Property="Background" Value="White"/>
        <!-- 其他样式设置 -->
    </Style>
</Window.Resources>

<TextBox Style="{StaticResource TextBoxStyle}" Text="Hello, World!"/>

<Style x:Key="TextBoxStyle" TargetType="TextBox">
    <Setter Property="Background" Value="White"/>
    <Style.Triggers>
        <Trigger Property="IsFocused" Value="True">
            <Setter Property="Background" Value="LightBlue"/>
        </Trigger>
        <!-- 其他触发器设置 -->
    </Style.Triggers>
</Style>

private SolidColorBrush _backgroundColor;
public SolidColorBrush BackgroundColor
{
    get { return _backgroundColor; }
    set
    {
        _backgroundColor = value;
        OnPropertyChanged(nameof(BackgroundColor));
    }
}

<TextBox Style="{StaticResource TextBoxStyle}" Text="Hello, World!" Background="{Binding BackgroundColor}"/>