WPF 精修篇 事件触发器

原文: WPF 精修篇 事件触发器

事件触发器 一般使用的就是动画

  
  
<Grid>
<TextBlock Text= "事件触发器" Opacity= "0.2" FontSize= "30" HorizontalAlignment= "Center" VerticalAlignment= "Center">
<TextBlock.Style>
<Style TargetType= "{x:Type TextBlock}">
<Style.Triggers>
<EventTrigger RoutedEvent= "MouseEnter">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetProperty= "Opacity" Duration= "0:0:0.5" To= "1"></DoubleAnimation>
<DoubleAnimation Storyboard.TargetProperty= "FontSize" Duration= "0:0:0.5" To= "50"></DoubleAnimation>
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
<EventTrigger RoutedEvent= "MouseLeave">
<EventTrigger.Actions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation Storyboard.TargetProperty= "Opacity" Duration= "0:0:0.5" To= "0.2"></DoubleAnimation>
<DoubleAnimation Storyboard.TargetProperty= "FontSize" Duration= "0:0:0.5" To= "30"></DoubleAnimation>
</Storyboard>
</BeginStoryboard>
</EventTrigger.Actions>
</EventTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
</Grid>
 
 

动手写 比较精简 用Blend 来写 会生成很多代码哟