我需要将此 xaml 代码转换为 begintime 的代码。
<Storyboard BeginTime="0:0:10" x:Name="sbEllipse1">
<DoubleAnimation
Storyboard.TargetName="myBrush1"
Storyboard.TargetProperty="RadiusX"
From="0" To="1"
Duration="0:0:20"
/>
<DoubleAnimation
Storyboard.TargetName="myBrush1"
Storyboard.TargetProperty="RadiusY"
From="0" To="1"
Duration="0:0:20"
/>
</Storyboard>