Event Triggers as Resource


   
       

<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.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>
  </StackPanel>
</Window>