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

 <!--设置BorderThickness会让border的Background图片看起来有模糊感-->

 <Border x:Name="border"

              BorderBrush="{x:Null}"

             BorderThickness="1"

             Background="{TemplateBinding Background}"

             RenderTransformOrigin="0.5,0.5">

     <Border.RenderTransform>

         <TransformGroup>

         <ScaleTransform/>

         <SkewTransform/>

         <RotateTransform/>

         <TranslateTransform/>

         </TransformGroup>

     </Border.RenderTransform>

 </Border>