转自:http://blog.youkuaiyun.com/qqamoon/article/details/7001693
自己做着玩儿的,留着以后用,效果类似下面的 GIF 动画。

- <Grid Width="35" Height="35">
- <Grid.Resources>
- <DrawingBrush x:Key="brush" Stretch="None" AlignmentX="Center" AlignmentY="Top">
- <DrawingBrush.Drawing>
- <GeometryDrawing Brush="Black">
- <GeometryDrawing.Geometry>
- <EllipseGeometry RadiusX="2" RadiusY="5"/>
- </GeometryDrawing.Geometry>
- </GeometryDrawing>
- </DrawingBrush.Drawing>
- </DrawingBrush>
- </Grid.Resources>
- <Rectangle x:Name="r01" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="0"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r02" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="30"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r03" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="60"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r04" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="90"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r05" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="120"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r06" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="150"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r07" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="180"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r08" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="210"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r09" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="240"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r10" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="270"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r11" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="300"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Rectangle x:Name="r12" Fill="{StaticResource brush}" Opacity="0.2" RenderTransformOrigin="0.5,0.5">
- <Rectangle.RenderTransform>
- <RotateTransform Angle="330"/>
- </Rectangle.RenderTransform>
- </Rectangle>
- <Grid.Triggers>
- <EventTrigger RoutedEvent="Grid.Loaded">
- <BeginStoryboard>
- <Storyboard RepeatBehavior="Forever">
- <DoubleAnimation Storyboard.TargetName="r01" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.00000" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r02" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.08333" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r03" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.16666" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r04" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.24999" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r05" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.33332" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r06" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.41665" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r07" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.49998" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r08" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.58331" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r09" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.66664" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r10" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.74997" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r11" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.83330" To="0"/>
- <DoubleAnimation Storyboard.TargetName="r12" Storyboard.TargetProperty="Opacity" AutoReverse="True" Duration="0:0:0.08333" BeginTime="0:0:0.91663" To="0"/>
- </Storyboard>
- </BeginStoryboard>
- </EventTrigger>
- </Grid.Triggers>
- </Grid>

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