WPF制作一个模仿Silverlight页面还有win8系统的Loading动画效果，其实就用到WPF的ellipse即可，如果想要简单或者更好的效果的话还是要用Blend去做哈。
xaml代码：
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="Loading动画.Window1" x:Name="Window" Title="Window1" Width="640" Height="480"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d">
<Window.Resources>
<Storyboard x:Key="Storyboard1">
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" RepeatBehavior="Forever" Storyboard.TargetName="ellipse" Storyboard.TargetProperty="(UIElement.Opacity)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.1000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.5000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse1">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.2000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.6000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.1000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse2">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.3000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.7000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.2000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse3">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.4000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.8000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.3000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse4">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.5000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.9000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.4000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse5">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.6000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.5000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse6">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.7000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.1000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.6000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse7">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.8000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.2000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.7000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse8">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.9000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.3000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.8000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse9">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.4000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:01.9000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse10">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.1000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.5000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:02" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse11">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.2000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.6000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:02.1000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse12">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.3000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.7000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:02.2000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse13">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.4000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.8000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:02.3000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse14">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.5000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.9000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:02.4000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse15">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.6000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:02.5000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse16">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.7000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.1000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:02.6000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse17">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:01.8000000" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02.2000000" Value="1" />
<SplineDoubleKeyFrame KeyTime="00:00:02.7000000" Value="0" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" RepeatBehavior="Forever" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[2].(RotateTransform.Angle)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:00.5000000" Value="180" />
<SplineDoubleKeyFrame KeyTime="00:00:01" Value="360" />
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames BeginTime="00:00:00" RepeatBehavior="Forever" Storyboard.TargetName="border1" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[2].(RotateTransform.Angle)">
<SplineDoubleKeyFrame KeyTime="00:00:00" Value="0" />
<SplineDoubleKeyFrame KeyTime="00:00:02" Value="180" />
<SplineDoubleKeyFrame KeyTime="00:00:04" Value="360" />
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</Window.Resources>
<Window.Triggers>
<EventTrigger RoutedEvent="FrameworkElement.Loaded">
<BeginStoryboard Storyboard="{StaticResource Storyboard1}" />
</EventTrigger>
</Window.Triggers>
<Grid x:Name="LayoutRoot" Background="Black">
<Viewbox Width="8" Height="8">
<Grid HorizontalAlignment="Center" x:Name="loading" Margin="0" VerticalAlignment="Center" Width="3.333" Height="3.333" Visibility="Visible">
<Ellipse RenderTransformOrigin="0.468,3.443" x:Name="ellipse" Fill="RoyalBlue" Stroke="{x:Null}" d:IsHidden="True" />
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse1" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="20" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse2" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="40" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse3" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="60" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse4" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="80" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse5" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="100" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse6" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="120" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse7" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="140" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse8" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="160" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse9" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="180" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse10" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="200" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse11" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="220" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse12" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="240" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse13" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="260" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse14" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="280" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse15" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="300" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse16" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="320" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.468,3.443" Fill="RoyalBlue" Stroke="{x:Null}" x:Name="ellipse17" d:IsHidden="True">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="340" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Ellipse RenderTransformOrigin="0.5,0.499" x:Name="ellipse_Copy" Fill="RoyalBlue" Stroke="{x:Null}" Margin="-0.012,0,0.001,-9.67" VerticalAlignment="Bottom" Height="3.344">
<Ellipse.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="0" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
<Border RenderTransformOrigin="0.492,1.006" Margin="1.081,0,1.086,-8.056" x:Name="border" VerticalAlignment="Bottom" Height="8.622" Background="RoyalBlue" CornerRadius="1,1,0,0">
<Border.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="0" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Border.RenderTransform>
</Border>
<Border Height="4.994" Background="RoyalBlue" CornerRadius="1,1,0,0" RenderTransformOrigin="0.496,1.001" Margin="0.705,0,0.714,-8.058" x:Name="border1" VerticalAlignment="Bottom">
<Border.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="0" />
<TranslateTransform X="0" Y="0" />
</TransformGroup>
</Border.RenderTransform>
</Border>
</Grid>
</Viewbox>
</Grid>
</Window>这里是加上了老外写的带指针旋转的，不想加的可以不加，效果如图：