<Window x:Class="Styles.EventTriggers"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="EventTriggers" Height="300" Width="300"
    >
  <Window.Resources>
    <Style x:Key="BigFontButton">
      <Style.Setters>
        <Setter Property="Control.FontFamily" Value="Times New Roman" />
        <Setter Property="Control.FontSize" Value="18" />
        <Setter Property="Control.FontWeight" Value="Bold" />
      </Style.Setters>
      
      <Style.Triggers>
        <EventTrigger RoutedEvent="Mouse.MouseEnter">
          <EventTrigger.Actions>
            <BeginStoryboard>
              <Storyboard>
                <DoubleAnimation
                  Duration="0:0:0.2"
                  Storyboard.TargetProperty="FontSize"
                  To="22"  />
              </Storyboard>
            </BeginStoryboard>
          </EventTrigger.Actions>
        </EventTrigger>
        <EventTrigger RoutedEvent="Mouse.MouseLeave">
          <EventTrigger.Actions>
            <BeginStoryboard>
              <Storyboard>
                <DoubleAnimation
                  Duration="0:0:1"
                  Storyboard.TargetProperty="FontSize"  />
              </Storyboard>
            </BeginStoryboard>
          </EventTrigger.Actions>
        </EventTrigger>

      </Style.Triggers>
    </Style>
    
  </Window.Resources>

  <StackPanel Margin="5">
    <Button Padding="5" Margin="5"
            Style="{StaticResource BigFontButton}" 
              >A Customized Button</Button>
    <TextBlock Margin="5">Normal Content.</TextBlock>
    <Button Padding="5" Margin="5"
            >A Normal Button</Button>
    <TextBlock Margin="5">More normal Content.</TextBlock>
    <Button Padding="5" Margin="5"
            Style="{StaticResource BigFontButton}" 
              >Another Customized Button</Button>
  </StackPanel>
</Window>
