MicrosoftEdge / MicrosoftEdge/WebView2Feedback
App using WebView2 becomes unresponsive due to infinite 0x403 message posting.
@champnic is already working on this.
Since Jan 23, 2023.
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Description
In my MFC app, I embed webview2 in a dialog.
Since the latest runtime update, in many cases, when I close the browser dialog, my app hangs.
When debugging, it's busy handling infinite 0x403 message (wParam being always 0xBABE, lParam cycling over a few different values).
With spy++ (when spy++ manage to attach to the window, which often fails, no idea why), you can see the messages. It never ends.
EDIT: I finally found a way to test with the previous runtime version available 108.0.1462.76, and the problem doesn't exist.
SDK: 1.0.1518.46
Runtime: 109.0.1518.52
Framework: MFC
OS: Win10
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