My Winforms Application (consisting of multiple forms), throws an unexpected error during shutdown.
The error is from a form that is not shown to the user (frm.show is not done) at any point of time.
Upon checking the logs, I found that the form was receiving 'WM_QUERYENDSESSION' from the OS.
Why was the unshown form receiving window messages?
Error message on shutdown - from unshown winform
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