Alex Maitland

> If it matters I tried something like what I describe and the browser becomes unresponsive if the original hwnd is destroyed. If you're curious you can replace the code...

> Changing the CleanupElement when the presentation source changes is on my TODO list, hasn't happened yet (no issue tracking this yet). This was done in commit https://github.com/cefsharp/CefSharp/commit/1f795153597ce946b909c77f9e8e0ea5794a49a8 and is...

Great, thanks 👍

The new `WebView2` has some interesting features that might be worth implementing, https://docs.microsoft.com/en-us/microsoft-edge/webview2/gettingstarted/winforms#step-8---communication-between-host-and-web-content Evaluate - [ ] PostWebMessageAsString - [ ] AddScriptToExecuteOnDocumentCreatedAsync (we have something similar already, review to see...

> Anyone working on this? Not that I'm aware of.

> Interface the client can implement to provide a custom stream writer. The methods of this class may be called on any thread. Quick look at the `API` and it...

I'd also check `cefclient` to see if there is any relevant examples of this feature.

https://bitbucket.org/chromiumembedded/cef/src/f7d9457c203e6cff86f0c8edd02d068d83459c7c/tests/cefclient/browser/osr_dragdrop_win.cc?at=master&fileviewer=file-view-default#osr_dragdrop_win.cc-252 https://bitbucket.org/chromiumembedded/cef/src/f7d9457c203e6cff86f0c8edd02d068d83459c7c/tests/cefclient/browser/bytes_write_handler.h?at=master&fileviewer=file-view-default

`CEF` has added support in commit https://bitbucket.org/chromiumembedded/cef/commits/1f2e2bdc84b7732bd4f466e075412d764d6d51b8

@timaiv Not sure what you mean exactly.