wpf triggers(property,data,event)

triggers.xaml

<TextBlock Text="Hello">
      <TextBlock.Style>
        <Style TargetType="TextBlock">
          <Setter Property="Foreground" Value="Blue"></Setter>
          <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
              <Setter Property="Foreground" Value="Red" />
              <Setter Property="TextDecorations" Value="Underline" />
            </Trigger>
            <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self},Path=Text}" Value="Hello">
              <!--<Setter Property="Text" Value="Yes!" />-->
              <Setter Property="Foreground" Value="Green" />
            </DataTrigger>
            <EventTrigger RoutedEvent="MouseEnter">
              <EventTrigger.Actions>
                <BeginStoryboard>
                  <Storyboard>
                    <DoubleAnimation Duration="0:0:0.300" Storyboard.TargetProperty="FontSize" To="28" />
                  </Storyboard>
                </BeginStoryboard>
              </EventTrigger.Actions>
            </EventTrigger>
            <EventTrigger RoutedEvent="MouseLeave">
              <EventTrigger.Actions>
                <BeginStoryboard>
                  <Storyboard>
                    <DoubleAnimation Duration="0:0:0.800" Storyboard.TargetProperty="FontSize" To="18" />
                  </Storyboard>
                </BeginStoryboard>
              </EventTrigger.Actions>
            </EventTrigger>
          </Style.Triggers>
        </Style>
      </TextBlock.Style>
</TextBlock>