原文:
wpf中的倒影效果实现<TextBox Name="txt"
FontSize="30"
AcceptsReturn="True"
AcceptsTab="True">abcdefghigklmnopqrstuvwxyz</TextBox>
<Rectangle RenderTransformOrigin="1,0.5" Height="40">
<Rectangle.Fill>
<!--得到元素的外观-->
<VisualBrush Visual="{Binding ElementName=txt}" />
</Rectangle.Fill>
<Rectangle.RenderTransform>
<!--反转效果-->
<ScaleTransform ScaleY="-1" />
</Rectangle.RenderTransform>
<Rectangle.OpacityMask>
<!--反射的透明效果-->
<LinearGradientBrush StartPoint="0,0"
EndPoint="0,1">
<GradientStop Offset="0.3"
Color="Transparent" />
<GradientStop Offset="1"
Color="#44000000" />
</LinearGradientBrush>
</Rectangle.OpacityMask>
</Rectangle>