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Asked: 2026-05-28T15:00:54+00:00

I am trying to make a menu on top of WebBrowser control, so when

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I am trying to make a menu on top of WebBrowser control, so when user select it, it will tell the WebBrowser to go centain page.

So I did something like:

<Grid x:Name="Root">
    <WebBrowser Name="_WebBrowser" Source="http://google.ca" Grid.Column="0" Grid.Row="0"></WebBrowser>    
    <Expander Name="expander1" HorizontalAlignment="Left" VerticalAlignment="Stretch" Width="250" ExpandDirection="Right" IsExpanded="True" Grid.Column="0" Grid.Row="0">

Far as I know, the last define control should be on top…

But strange, the WebBrowser will always display on top….and it covers my Expander (menu).
I tried to put WebBrowser inside a Carvas or even Button lol But the WebBrowser it is still display on the top….

I hope this is not a bug in .NET 3.5…..

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1 Answer

  1. Editorial Team

    The short answer is this is a limitation of WPF.

    The WebBrowser control is simply a managed wrapper around the Windows COM component, which has its own window handle. For this reason, you’re not able to draw over it.

    More details: WPF 3.5 WebBrowser control and ZIndex

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