xml 【WPF】边境で破线を引く

Posted 2021-05-17

<!-- http://stackoverflow.com/questions/14936002/dotted-border-around-a-button -->
<Border x:Name="MyBorderedButton" Width="101" Height="31" BorderThickness="2" >
      <Border.BorderBrush>
           <VisualBrush>
               <VisualBrush.Visual>
                   <Rectangle StrokeDashArray="4 2"
                      Stroke="Red"
                      StrokeThickness="2"
                      RadiusX="{Binding RelativeSource={RelativeSource AncestorType={x:Type Border}}, Path=CornerRadius.TopRight}"
                      RadiusY="{Binding RelativeSource={RelativeSource AncestorType={x:Type Border}}, Path=CornerRadius.BottomLeft}"
                      Width="{Binding RelativeSource={RelativeSource AncestorType={x:Type Border}}, Path=ActualWidth}"
                      Height="{Binding RelativeSource={RelativeSource AncestorType={x:Type Border}}, Path=ActualHeight}"/>
               </VisualBrush.Visual>
           </VisualBrush>
       </Border.BorderBrush>
       <Button>Focus Here</Button>
</Border>