<Window x:Class="blinken.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:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
        xmlns:im="clr-namespace:Microsoft.Expression.Interactivity.Media;assembly=Microsoft.Expression.Interactions"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        x:Name="Window"
        Title="MainWindow"
        Width="400"
        Height="100"
        mc:Ignorable="d">
    <Window.Resources>
        <Storyboard x:Key="StoryboardBlink" 
                    AutoReverse="True"
                    RepeatBehavior="3x">
            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="theTextBlock" Storyboard.TargetProperty="(UIElement.Visibility)">
                <DiscreteObjectKeyFrame KeyTime="0:0:0.25" Value="{x:Static Visibility.Hidden}" />
            </ObjectAnimationUsingKeyFrames>
            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="theTextBlock" Storyboard.TargetProperty="(UIElement.Visibility)">
                <DiscreteObjectKeyFrame KeyTime="0:0:0.5" Value="{x:Static Visibility.Visible}" />
            </ObjectAnimationUsingKeyFrames>

        </Storyboard>
    </Window.Resources>

    <Grid x:Name="LayoutRoot">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <TextBlock x:Name="theTextBlock" 
                   Grid.Column="1"
                   Text="Bitte blinken!" />
        <Button Content="Start">
            <i:Interaction.Triggers>
                <i:EventTrigger EventName="Click">
                    <im:ControlStoryboardAction Storyboard="{StaticResource StoryboardBlink}" />
                </i:EventTrigger>
            </i:Interaction.Triggers>
        </Button>


    </Grid>
</Window>