当两个元素在wpf中接触时停止边框加倍

<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 Example" Height="450" Width="800">
    <Window.Resources>
        <Style TargetType="Border">
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="BorderBrush" Value="Black"/>
            <Style.Triggers>
                <EventTrigger RoutedEvent="UIElement.MouseEnter">
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation Storyboard.TargetProperty="BorderThickness"
                                             To="0" Duration="0:0:0"/>
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>
    <Grid>
        <Border Width="100" Height="100" Margin="50">
            <TextBlock Text="Element 1"/>
        </Border>
        <Border Width="100" Height="100" Margin="200">
            <TextBlock Text="Element 2"/>
        </Border>
    </Grid>
</Window>