<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Animation"> <Grid Background="Black" TextBlock.Foreground="White" TextBlock.FontSize="30"> <Grid.Triggers> <EventTrigger RoutedEvent="Grid.Loaded"> <BeginStoryboard> <Storyboard TargetProperty="Opacity" RepeatBehavior="Forever"> <DoubleAnimation Storyboard.TargetName="title1" BeginTime="0:0:2" From="0" To="1" Duration="0:0:2" AutoReverse="True"/> <DoubleAnimation Storyboard.TargetName="title2" BeginTime="0:0:6" From="0" To="1" Duration="0:0:2" AutoReverse="True"/> <DoubleAnimation Storyboard.TargetName="title3" BeginTime="0:0:10" From="0" To="1" Duration="0:0:2" AutoReverse="True"/> </Storyboard> </BeginStoryboard> </EventTrigger> </Grid.Triggers> <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Opacity="0" Name="title1">A</TextBlock> <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Opacity="0" Name="title2">B</TextBlock> <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Opacity="0" Name="title3">C</TextBlock> </Grid> </Window>