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RadHtmlPlaceholder not working when SL app is hosted in Winforms WebBrowser control

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HTMLPlaceHolder
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Paul McNamara
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Paul McNamara asked on 26 Aug 2011, 09:39 AM
First off, this is a great control and has saved my skin until SL5 is available!
However one of my requirements is that the SL app I'm working on can be hosted in a winforms app within a System.Windows.Forms.WebBrowser. This all works fine apart from the HtmlPlaceholder which doesn't display on top. It does do something as when the placeholder would normally be visible I get an extra bit appearing at the bottom of the page below the SL object but no overlay. I'm using the exact same host page as I do in a normal browser.

Is this a known limitation?

I've attached a screenshot showing the issue. The content should appear within the border inside the selected tab.

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Petar Mladenov
Telerik team
answered on 31 Aug 2011, 02:54 PM
Hello Paul Mcnamara,

In its core, RadHtmlPlaceholder is just an IFrame that is being rendered on top of the Silverlight plugin. So I believe that the issue might be caused by some limitations in the IFrame used in WinForms control. 

Regards,
Petar Mladenov
the Telerik team

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Paul McNamara
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Petar Mladenov
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