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WebBrowser Hosted in MDI Child won't tab internally

Posted By:      Posted Date: October 21, 2010    Points: 0   Category :WPF
I have a WPF WebBrowser control that is hosted as an MDI child using an HwndSource. Everything works fine except when you click in a textbox (or any web control) contained within the website the TAB key does not work. This is driving me crazy. Does anyone have a clue what could be going on. My sample code is at : https://litmus2.ldsam.com/WebControl.zip

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