xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="AnimateVisualBrush" Height="300" Width="300" Background="LightGoldenrodYellow"> Test Storyboard.TargetProperty="RenderTransform.Children[0].AngleY" To="180" Duration="0:0:15" AutoReverse="True"> Storyboard.TargetProperty="RenderTransform.Children[1].Angle" To="180" Duration="0:0:20" AutoReverse="True">