On Friday, 13 August 2021 at 00:30:59 UTC, Ruby The Roobster
wrote:
When I run the program and close the window, the program still
runs in background mode. I don't know why this happens nor how
to fix it. Does anybody know what's going on?
frame beat me to it, but it may well be that you're getting -1.
[The documentation][1] says that a window that has already been
destroyed will result in the `hWnd` parameter being invalid,
which will cause the function to return -1.
[1]:
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getmessage#return-value
