1 <TextBlock Name="lblStyled" Text="Hello, styled world!" FontSize="18" HorizontalAlignment="Center" VerticalAlignment="Center"> 2 <TextBlock.Style> 3 <Style TargetType="TextBlock"> 4 <Style.Triggers> 5 <EventTrigger RoutedEvent="MouseEnter"> 6 <EventTrigger.Actions> 7 <BeginStoryboard> 8 <Storyboard> 9 <DoubleAnimation Duration="0:0:0.300" Storyboard.TargetProperty="FontSize" To="28" /> 10 </Storyboard> 11 </BeginStoryboard> 12 </EventTrigger.Actions> 13 </EventTrigger> 14 <EventTrigger RoutedEvent="MouseLeave"> 15 <EventTrigger.Actions> 16 <BeginStoryboard> 17 <Storyboard> 18 <DoubleAnimation Duration="0:0:0.800" Storyboard.TargetProperty="FontSize" To="18" /> 19 </Storyboard> 20 </BeginStoryboard> 21 </EventTrigger.Actions> 22 </EventTrigger> 23 </Style.Triggers> 24 </Style> 25 </TextBlock.Style> 26 </TextBlock>