Re: Help with Win32: PostQuitMessage(0) doesn't post WM_QUIT apparently, because the message loop is not exited.

[frame via Digitalmars-d-learn]

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?

AFAIK GetMessage() may return -1 if some error happend, so your 
loop won't exit.