Re: EnumThreadWindows - EnumThreadWndProc does not get called

From:
"Doug Harrison [MVP]" <dsh@mvps.org>
Newsgroups:
microsoft.public.vc.language
Date:
Fri, 08 Dec 2006 11:25:56 -0600
Message-ID:
<1c7jn2lo77rffn5ehp6j7kkvujo61r3r5n@4ax.com>
On 8 Dec 2006 05:59:29 -0800, "Roland" <ajay.sonawane@gmail.com> wrote:

I am using EnumThreadWindows to enumerate all windows of newly created
process using CreateProcess. EnumThreadWndProc gets called for notepad
but does not get called for MS Word. I am not able to figure out why it
is happening, Here is piece of code.

STARTUPINFO si;
PROCESS_INFORMATION pi;

ZeroMemory( &si, sizeof(si) );
si.cb = sizeof(si);
ZeroMemory( &pi, sizeof(pi) );

   // Start the child process.
   if( !CreateProcess( TEXT("C:\\Program Files\\Microsoft
Office\\OFFICE11\\winword.exe"), NULL,NULL,NULL,FALSE,FALSE,0,NULL,NULL,&si,&pi
)
   )
   {
       printf( "CreateProcess failed (%d).\n", GetLastError() );
       return;
   }
   Sleep(10000);
   WaitForInputIdle(pi.hProcess,10000);

   // Enumerate all threads of Windows
  BOOL bRetVal =
EnumThreadWindows(pi.dwThreadId,EnumThreadWndProc,(LONG)this);

  if(! this->m_hWnd )
  return;

BOOL CALLBACK EnumThreadWndProc(HWND hwnd,LPARAM lParam)
{
     CMainFrame *pFrameWnd = (CMainFrame*)lParam;
     if(GetMenu(hwnd) != NULL)
     {
  pFrameWnd->m_hWnd = hwnd;
    return FALSE;
     }
   return TRUE;
}


Word stopped using standard menus long ago, so if you're equating the
calling of EnumThreadWndProc with it finding a window that has a standard
menu, there's the mistake.

--
Doug Harrison
Visual C++ MVP

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