WPF翻转效果

【实例截图】

【核心代码】

<Window x:Class="Example1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:Example1"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">

    <Window.Resources>
        <Storyboard x:Key="fanzhuan">
            <PointAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransformOrigin)" Storyboard.TargetName="grid">
                <EasingPointKeyFrame KeyTime="0" Value="0.5,0.5"/>
            </PointAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)" Storyboard.TargetName="grid" RepeatBehavior="Forever">
                <EasingDoubleKeyFrame KeyTime="0" Value="-1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <CubicEase EasingMode="EaseOut"/>
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
                <EasingDoubleKeyFrame KeyTime="0:0:5" Value="1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <CubicEase EasingMode="EaseOut"/>
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
    </Window.Resources>
    <Window.Triggers>
        <EventTrigger RoutedEvent="FrameworkElement.Loaded">
            <BeginStoryboard Storyboard="{StaticResource fanzhuan}"/>
        </EventTrigger>
    </Window.Triggers>
    <Grid x:Name="grid" >
        <Grid.RenderTransform>
            <TransformGroup>
                <ScaleTransform/>
                <SkewTransform/>
                <RotateTransform/>
                <TranslateTransform/>
            </TransformGroup>
        </Grid.RenderTransform>
        <Grid.Background>
            <SolidColorBrush Color="Red"/>
        </Grid.Background>
        
    </Grid>

</Window>