silverlight制作虚线的边框

<Grid>
<Grid HorizontalAlignment="Center" VerticalAlignment="Center" x:Name="g">
<Canvas>
<Rectangle RadiusX="5" RadiusY="5"
Width="{Binding ElementName=g, Path=ActualWidth}"
Height="{Binding ElementName=g, Path=ActualHeight}"
Stroke="Blue" StrokeDashArray="5,2,1,2" StrokeThickness="2"/>
</Canvas>
<TextBlock Margin="10,7,10,7" Text="aaa" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Grid>
</Grid>

效果图：

公共样式：

 <Style TargetType="ContentControl" x:Key="myBorder">

 <Setter Property="Template">

 <Setter.Value>

 <ControlTemplate>

 <Grid x:Name="g"

 Background="{TemplateBinding ContentControl.Background}"

 Width="{TemplateBinding ContentControl.Width}"

 Height="{TemplateBinding ContentControl.Height}">

 <Canvas>

 <Rectangle RadiusX="5" RadiusY="5"

 Width="{Binding ElementName=g, Path=ActualWidth}"

 Height="{Binding ElementName=g, Path=ActualHeight}"

 Stroke="{TemplateBinding ContentControl.BorderBrush}"

 StrokeDashArray="5,2,1,2"

 StrokeThickness="{TemplateBinding ContentControl.BorderThickness}"/>

 </Canvas>

 <ContentPresenter Margin="5" Content="{TemplateBinding ContentControl.Content}"/>

 </Grid>

 </ControlTemplate>

 </Setter.Value>

 </Setter>

 </Style>

http://www.cnblogs.com/sosoft/

使用示例：

<ContentControl Margin="10" HorizontalAlignment="Center" VerticalAlignment="Center"

BorderThickness="2" BorderBrush="Blue" Style="{StaticResource myBorder}">

<TextBlock Text="abc"/>

</ContentControl>