Files
zahra nikbakht cd424c4e53 Prevent activating context when HWND is destroyed.
bug: we call activate context immediately after the window is destroyed, and the window pointer is stilll not null. We have also destroyed HWND at this point through the microsoft function ::DestroyWindow, so we check ::IsWindowEnabled as a way to confirm the validity of HWND.
#jira UE-186416
#rb vincent.gauthier

[CL 25954162 by zahra nikbakht in ue5-main branch]
2023-06-13 12:02:34 -04:00
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