#801 – Creating a Mirror Image Using a RenderTransform

You can flip an object horizontally, so that you get a mirror image, using a ScaleTransform with the ScaleX value of -1.  If you use a LayoutTransform, the object will be layed out as intended after doing the transformation.

You might, however, want to do a transform to get a mirror image only after laying everything out.  To do this, you use a RenderTransform.  You still set the ScaleX property to -1, but you also need to set the RenderTransformOrigin to be located in the middle of the object being transformed.

    <StackPanel RenderTransformOrigin="0.5,0.5">
            <ScaleTransform ScaleX="-1"/>

        <Label Content="Earthquake hits San Francisco!" Margin="5"
               FontSize="16" FontFamily="Constantia" />
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
            <DatePicker SelectedDate="4/18/1906"/>
            <Label Content="Horrible!" FontWeight="Bold"/>
        <Button Content="Donate $$ Now" HorizontalAlignment="Center"
                Padding="10,5" Margin="15"/>



About Sean
Software developer in the Twin Cities area, passionate about software development and sailing.

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