你是什么意思“作为双动画”?
在纯XAML中实现此功能将会非常冗长,因为每个PNG图像都必须声明为资源并在故事板中显式加载。例如:
<BeginStoryboard>
<Storyboard>
<ObjectAnimationUsingKeyFrames BeginTime="0:0:0" Storyboard.TargetName="MyButton" Storyboard.TargetProperty="Content">
<DiscreteObjectKeyFrame KeyTime="0:0:0" Value="{Binding Source={StaticResource Frame1Image}"/>
<DiscreteObjectKeyFrame KeyTime="0:0:0.03" Value="{Binding Source={StaticResource Frame2Image}"/>
<DiscreteObjectKeyFrame KeyTime="0:0:0.06" Value="{Binding Source={StaticResource Frame3Image}"/>
<!-- etc -->
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>