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ZhangNathanJiawei-6210 asked CarlZhao-MSFT edited

The window pop up when windows locked will turn to back of the window pop up before lock window

I think it is a bug for the dialog pop up after the windows system is locked.

Winform, .Net 4.8, C#

Say there are a main form, form A and form B.

  1. Open the main form, click a button on it to pop up form A (with modal or modeless, the owner is the main form), and start a timer which will pop up form B after 5 seconds

  2. Press Win + L to lock windows

  3. The timer is triggered in the background to pop up form B (with modal, the owner is the main form)

  4. Input password to unlock windows

  5. The form B will turn to back of form A, that the form A at top most, but the keyboard and mouse does not work on it.

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