This reminds me of the time many years ago when we worked on a VB app that had to resort to the sledgehammer of Win32's LockWindowUpdate API call to do some hef

This reminds me of the time many years ago when we worked on a VB app that had to resort to the sledgehammer of Win32's LockWindowUpdate API call to do some hefty calculations and not "freeze" the UI even though we were, in fact, freezing the UI. https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-lockwindowupdate https://docs.microsoft.com/en-us/windows/desktop/api/winuser...