27 May 95 13:02, Jonathan de Boyne Pollard wrote to Steffen Offermann:

 >> Any idea, why closing a notebook causes my main application
 >> window to be closed as well? ... and what to do in order to
 >> prevent this from happening?

 JdBP> The default behaviour of WinDefWindowProc when it is
 JdBP> passed a WM_CLOSE is to post a WM_QUIT message to the
 JdBP> message queue for the window, which causes your
 JdBP> WinGetMessage/WinDispatchMessage loop to end.

 JdBP> When doing multiple window programming you almost *never*
 JdBP> want to pass WM_CLOSE to WinDefWindowProc.

What should I do instead to get rid of the window that received
WM_CLOSE if not having WinDefWindowProc() process the message?
I do want to get my notebook window closed, I merely don't want
it to end the whole message loop.

Tschuess, Steffen

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