我以前做过一次，但我完全忘记了怎么做。
我怎样才能让图像在鼠标悬停时在 3 秒内变大一点（所以它很平滑）？
一种方法是使用触发器处理 MouseEnter 和 MouseLeave 事件，并使用它们来放大图像：
<Image Width="100" Height="100" Source="...">
<Image.RenderTransform>
<ScaleTransform
x:Name="scale"
CenterX="50"
CenterY="50"
ScaleX="1"
ScaleY="1" />
</Image.RenderTransform>
<Image.Triggers>
<EventTrigger RoutedEvent="Image.MouseEnter">
<BeginStoryboard>
<BeginStoryboard.Storyboard>
<Storyboard Duration="0:0:0.2">
<DoubleAnimation
Storyboard.TargetName="scale"
Storyboard.TargetProperty="ScaleX"
To="1.5" />
<DoubleAnimation
Storyboard.TargetName="scale"
Storyboard.TargetProperty="ScaleY"
To="1.5" />
</Storyboard>
</BeginStoryboard.Storyboard>
</BeginStoryboard>
</EventTrigger>
<EventTrigger RoutedEvent="Image.MouseLeave">
<BeginStoryboard>
<BeginStoryboard.Storyboard>
<Storyboard Duration="0:0:0.2">
<DoubleAnimation
Storyboard.TargetName="scale"
Storyboard.TargetProperty="ScaleX"
To="1" />
<DoubleAnimation
Storyboard.TargetName="scale"
Storyboard.TargetProperty="ScaleY"
To="1" />
</Storyboard>
</BeginStoryboard.Storyboard>
</BeginStoryboard>
</EventTrigger>
</Image.Triggers>
</Image>
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