[python-win32] python win32 demos question
Mark Hammond
mhammond at skippinet.com.au
Wed Jan 19 03:45:47 CET 2005
> In the win32\demos directory, there is a script called
> win32gui_dialog.py. Near the end of this script, there are
> the following
> lines:
That script obviously had a quick bash at it and it failed :) I have fixed
the demo and will attach it in private mail. The upshot is:
win32gui.PumpMessages() will run until the thread gets a WM_QUIT message,
via someone calling PostQuitMessage(). The demo had this in the WM_DESTROY
handler for the dialog itself which was wrong for 2 reasons:
* This is not needed when the dialog is a "normal" dialog.
* When used as a Window, WM_DESTROY is not automatically sent - someone
needs to call DestroyWindow (rather than the EndDialog needed for the
"normal" dialog). The fix for this is to have WM_CLOSE call
DestroyWindow(), which then triggers the WM_DESTROY, which then calls
PostQuitMessage (whew).
Mark
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