WPF EventTrigger RoutedEvent BeginStoryboard Storyboard TargetProperty RepeatBehavior DoubleAnimation TargetName BeginTime From To Duration AutoReverse

<Window x:Class="WpfApp118.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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp118"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Grid.Triggers>
            <EventTrigger RoutedEvent="Grid.Loaded">
                <BeginStoryboard>
                    <Storyboard TargetProperty="Opacity"
                                RepeatBehavior="Forever">
                        <DoubleAnimation Storyboard.TargetName="title1"
                                         BeginTime="0:0:1"
                                         From="0"
                                         To="1"
                                         Duration="0:0:1"
                                         AutoReverse="True"/>
                        <DoubleAnimation Storyboard.TargetName="title2"
                                         BeginTime="0:0:2"
                                         From="0"
                                         To="1"
                                         Duration="0:0:1"
                                         AutoReverse="True"/>
                        <DoubleAnimation Storyboard.TargetName="title3"
                                         BeginTime="0:0:3"
                                         From="0"
                                         To="1"
                                         Duration="0:0:1"
                                         AutoReverse="True"/>
                        <DoubleAnimation Storyboard.TargetName="title4"
                                         BeginTime="0:0:4"
                                         From="0"
                                         To="1"
                                         Duration="0:0:1"
                                         AutoReverse="True"/>
                        <DoubleAnimation Storyboard.TargetName="title5"
                                         BeginTime="0:0:5"
                                         From="0"
                                         To="1"
                                         Duration="0:0:1"
                                         AutoReverse="True"/>
                        <DoubleAnimation Storyboard.TargetName="title6"
                                            BeginTime="0:0:6"
                                            From="0"
                                            To="1"
                                            Duration="0:0:1"
                                            AutoReverse="True"/>
                    </Storyboard>
                </BeginStoryboard>
            </EventTrigger>
        </Grid.Triggers>
        <TextBlock HorizontalAlignment="Center"
                   VerticalAlignment="Center"
                   Opacity="0"
                   Name="title1">C#</TextBlock>
        <TextBlock HorizontalAlignment="Center"
           VerticalAlignment="Center"
           Opacity="0"
           Name="title2">CLR Via C#</TextBlock>
        <TextBlock HorizontalAlignment="Center"
          VerticalAlignment="Center"
          Opacity="0"
          Name="title3">Data Structure</TextBlock>
        <TextBlock HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Opacity="0"
            Name="title4">Operating System</TextBlock>
        <TextBlock HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Opacity="0"
            Name="title5">Database</TextBlock>
        <TextBlock HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Opacity="0"
            Name="title6">CPP</TextBlock>
    </Grid>
</Window>