[WPF] Drag and drop between 2 popups

Posted by timhaughton on Stack Overflow See other posts from Stack Overflow or by timhaughton
Published on 2010-06-16T22:09:20Z Indexed on 2010/06/16 22:12 UTC
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drag-and-drop

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Our application is a WPF (4.0) AppBar docked to the top of the desktop. Various buttons in the AppBar produce Popups containing various data (in ListBoxes). I am trying to implement drag and drop of items between 2 Popups.

It's pretty standard boiler plate stuff using Josh Smith's draggable ListBox that I've used half a dozen times before. Drag is initiating correctly, but the target Popup is not receiving the DragOver or Drop. Is this a focus issue? Or is there something else at work here?

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