I have several web parts in 2007 that override the GetCustomBuilder() method with the HtmlDesignerAttribute set to BrowserBuilderType.Dynamic in order to call aspx pages for custom UI on webbrowsable properties when you click the "..." in the EditorPart
rather than just launching the default text area modal dialog.
it looks like everything is supposed to work the same way in 2010. But it's not. No matter what I've tried, the only thing I can get to load is the standard _layouts/zoombldr.aspx dialog. I even tried making a clone of zoombldr.aspx (named test.aspx), added
another button to tell the difference and call it explicitly, but it didn't load. I've debugged and am confident GetCustomBuilder() is returning correct URLs to the custom aspx pages (and they load fine when requested directly).
I've searched hi and lo without success in finding a solution. Any ideas? Many thanks!
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