wabbajack/Wabbajack/Views/Common/AttentionBorder.xaml

<UserControl
    x:Class="Wabbajack.AttentionBorder"
    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:Wabbajack"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    d:DesignHeight="450"
    d:DesignWidth="800"
    mc:Ignorable="d">
    <Border BorderThickness="1">
        <Border.Style>
            <Style TargetType="Border">
                <Setter Property="Background" Value="{StaticResource WindowBackgroundBrush}" />
                <Setter Property="BorderBrush" Value="{StaticResource DarkerSecondaryBrush}" />
                <Style.Triggers>
                    <MultiDataTrigger>
                        <MultiDataTrigger.Conditions>
                            <Condition Binding="{Binding IsVisible, RelativeSource={RelativeSource Self}}" Value="True" />
                            <Condition Binding="{Binding IsMouseOver, RelativeSource={RelativeSource Self}}" Value="False" />
                        </MultiDataTrigger.Conditions>
                        <MultiDataTrigger.EnterActions>
                            <BeginStoryboard>
                                <Storyboard>
                                    <ColorAnimation
                                        AutoReverse="True"
                                        RepeatBehavior="Forever"
                                        Storyboard.TargetProperty="(Border.BorderBrush).(SolidColorBrush.Color)"
                                        To="{StaticResource Secondary}"
                                        Duration="0:0:1.5" />
                                </Storyboard>
                            </BeginStoryboard>
                            <BeginStoryboard>
                                <Storyboard>
                                    <ColorAnimation
                                        AutoReverse="True"
                                        RepeatBehavior="Forever"
                                        Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)"
                                        To="{StaticResource SecondaryBackground}"
                                        Duration="0:0:1.5" />
                                </Storyboard>
                            </BeginStoryboard>
                        </MultiDataTrigger.EnterActions>
                        <MultiDataTrigger.ExitActions>
                            <BeginStoryboard>
                                <Storyboard>
                                    <ColorAnimation
                                        Storyboard.TargetProperty="(Border.BorderBrush).(SolidColorBrush.Color)"
                                        To="{StaticResource DarkerSecondary}"
                                        Duration="0:0:0.1" />
                                </Storyboard>
                            </BeginStoryboard>
                            <BeginStoryboard>
                                <Storyboard>
                                    <ColorAnimation
                                        Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)"
                                        To="{StaticResource WindowBackgroundColor}"
                                        Duration="0:0:0.1" />
                                </Storyboard>
                            </BeginStoryboard>
                        </MultiDataTrigger.ExitActions>
                    </MultiDataTrigger>
                </Style.Triggers>
            </Style>
        </Border.Style>
        <ContentPresenter Content="{Binding DisplayContent, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}" />
    </Border>
</UserControl>