Zoom control to SilverLight Form

I still have not found the answer: How can I implement a zoom control to my SilverLight Form? I hope you will help me with this question) I am looking to zoom the controls inside the zoom control, no开发者_StackOverflow中文版t zoom on an image.

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This is a WPF control that zooms the child controls. Should be fairly easy to convert to Silverlight.

Here is a silverlight control that does the same thing:

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Like this:

http://www.codeproject.com/KB/silverlight/ZoomAndPan.aspx

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With ScaleTransform in RenderTransform

<Grid.RenderTransform>
    <TransformGroup>
        <ScaleTransform ScaleX="1"/>
    </TransformGroup>
</Grid.RenderTransform>

http://ganshani.com/2009/08/14/zoom-in-and-out-in-silverlight/

Edit: the other link doesn't work. Here is the internet archive version.