WPF中设置Border的BorderThickness属性会让背景图片产生模糊感

 1 <!--设置BorderThickness会让border的Background图片看起来有模糊感-->
 2 <Border x:Name="border"
 3              BorderBrush="{x:Null}"
 4             BorderThickness="1"
 5             Background="{TemplateBinding Background}"      
 6             RenderTransformOrigin="0.5,0.5">
 7     <Border.RenderTransform>
 8         <TransformGroup>
 9         <ScaleTransform/>
10         <SkewTransform/>
11         <RotateTransform/>
12         <TranslateTransform/>
13         </TransformGroup>
14     </Border.RenderTransform>
15 </Border>