摘要：
˂SetterPrope
<Style TargetType="{x:Type Button}" x:Key="DefaultButton">
<Setter Property="Foreground" Value="White"/>
<Setter Property="FontFamily" Value="Microsoft YaHei"/>
<Setter Property="FontSize" Value="12"/>
<Setter Property="FontWeight" Value="Bold"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Button">
<Border Name="bd" BorderBrush="{TemplateBinding Control.BorderBrush}" BorderThickness="0" CornerRadius="5,5,5,5">
<Border.Background>
#ffffee55
</Border.Background>
<ContentPresenter Content="{TemplateBinding ContentControl.Content}" HorizontalAlignment="Center" VerticalAlignment="Center" ></ContentPresenter>
</Border>
<ControlTemplate.Triggers>
<EventTrigger RoutedEvent="Mouse.MouseEnter">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation
Duration="0:0:0.2" To="#ffff5555" Storyboard.TargetName="bd" Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)" />
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
<EventTrigger RoutedEvent="Mouse.MouseLeave">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard>
<ColorAnimation
Duration="0:0:0.2" To="#ffffee55" Storyboard.TargetName="bd" Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)" />
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
<EventTrigger RoutedEvent="Mouse.PreviewMouseDown"><!--PreviewMouseDown 而不要用MouseDown-->
<BeginStoryboard>
<Storyboard>
<ColorAnimation
Duration="0:0:0.2" To="#ffff3333" Storyboard.TargetName="bd" Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>