[python-win32] Re: How to get the main window handle of an application started with win32process.CreateProcess() ?

[Roel Schroeven]

Pierre Rouleau wrote:

> Hi all,
> 
>     I am trying to send a WM_CLOSE mesage to the main window of a Win32
> GUI application I started with win32process.CreateProcess().  I want to
> terminate the application gracefully, allowing the application to
> perform all of its regular cleanup and prompting it normally does when
> the user requests to close it.
> 
> For that reason, I do not want to use win32process.TerminateProcess().
> 
> Since I started the application with win32process.CreateProcess() I have
> the process information.  But to use win32gui.PostMessage() to the
> application main window I must find the main window handle of that
> application.
> 
> Does anyone know how to do this?

You could enumerate the windows with win32gui.EnumWindows and filter
those belonging to that process using win32process.GetWindowThreadProcesId.

-- 
If I have been able to see further, it was only because I stood
on the shoulders of giants.  -- Isaac Newton

Roel Schroeven