WP7 - 常見倒影效果

常常會看見倒影的效果，記錄一下。

<Grid x:Name="ContentPanel"  Margin="12,0,12,0">
    <Image Source="Images/Koala.jpg" Width="300"   VerticalAlignment="Top" />
    <Image Source="Images/Koala.jpg" Width="300" VerticalAlignment="Top"
        RenderTransformOrigin="0.5 1" >
        <Image.RenderTransform>
            <ScaleTransform ScaleY="-1" />
        </Image.RenderTransform>
        <Image.OpacityMask>
            <LinearGradientBrush StartPoint="0 0" EndPoint="0 1">
                <GradientStop Offset="0" Color="#00000000" />
                <GradientStop Offset="1" Color="#40000000" />
            </LinearGradientBrush>
        </Image.OpacityMask>
    </Image>
</Grid>

參考:
Programing Windows Phone 7 By Charles Petzold